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| Shift of Ag diffusion profiles in CdTe by metal/semiconductor interfaces H. Wolf, J. Kronenberg, F. Wagner, M. Deicher, and Th. Wichert Appl. Phys. Lett. 100 (2012) 171915 DOI: http://dx.doi.org/10.1063/1.4709393 |
| Donor-acceptor complexes in ZnO M. Türker, M. Deicher, H. Wolf, Th. Wichert and ISOLDE Collaboration Hyperfine Interactions 197 (2010) 173 DOI: http://dx.doi.org/10.1007/s10751-010-0209-0 |
| Pre-requisites for the formation of unusual diffusion profiles in II-VI semiconductors H. Wolf, J. Kronenberg, F. Wagner, Th. Wichert and ISOLDE Collaboration Phys. Status Solidi B 247 (2010) 1405-1408 DOI: http://dx.doi.org/10.1002/pssb.200983222 |
| On the formation of the unusual diffusion profiles in CdxZn1-xTe crystals after implantation of different elements H. Wolf, F. Wagner, J. Kronenberg, Th. Wichert and ISOLDE Collaboration Defect and Diffusion Forum Vols. 289-292 (2009) 587-592 DOI: http://dx.doi.org/10.4028/www.scientific.net/DDF.289-292.587 |
| Drift-Diffusion of Highly Mobile Dopants in CdTe H. Wolf, F. Wagner, J. Kronenberg, Th. Wichert, R. Grill, E. Belas and ISOLDE Collaboration Diffusion Fundamentals 8 (2008) 3.1-3.8 |
| Formation of DX-centers in indium doped CdTe M. Tuerker, J. Kronenberg, M. Deicher, H. Wolf, Th. Wichert Hyperfine Interactions 177 (2008) 103-110 DOI: http://dx.doi.org/10.1007/s10751-008-9666-0 |
Characterization of defects in semiconductors using radioactive isotopes |
| Thermodynamic properties of defects in CdTe as derived by diffusion experiments F. Wagner, H. Wolf, J. Kronenberg, Th Wichert, R. Grill, E. Belas Physica B: Condensed Matter 401-402 (2007) 286-290 DOI: http://dx.doi.org/10.1016/j.physb.2007.08.168 |
| Internal Drift effect on the diffuion of Ag in CdTe H. Wolf, F. Wagner, Th. Wichert, R. Grill, E. Belas Journal of Electronic Materials 35 (2006) 1350-1353 DOI: http://dx.doi.org/10.1007/s11664-006-0267-x |
Codoping Effects on the Diffusion of Ag in CdTe |
| Electrical and optical properties of In-doped CdTe after Cd-rich annealing E. Belas, R. Grill, A.L. Toth, P. Moravec, P. Horodysky, J. Franc, P. Hoschl, H. Wolf, Th. Wichert IEE Transactions on Nuclear Science 52 (2005) 1932-1936 DOI: http://dx.doi.org/10.1109/TNS.2005.856874 |
| The role of intrinsic defects for the
diffusion of Ag and Cu in CdTe H. Wolf, F. Wagner, T Wichert Defect and Diffusion Forum 237-240 (2005) 491-496 — PDF (111 kB) DOI: http://dx.doi.org/10.4028/www.scientific.net/DDF.237-240.491 |
|
Anomalous diffusion profiles of Ag
in CdTe due to chemical self-diffusion |
| Density functional theory calculations
establish the experimental evidence of the
DX center atomic structure in CdTe S. Lany, H. Wolf and Th. Wichert Physical Review Letters 92 (2004) 225504/1-4 — PDF (217 kB) DOI: http://dx.doi.org/10.1103/PhysRevLett.92.225504 |
|
Defect interactions of group-I elements
in cubic II-VI compounds |
|
DX-centers in CdTe an ZnTe observed
by locally sensitive probe atoms |
|
The unusual influence
of intrinsic defects on the diffusion
of Ag and Cu in CdTe |
| Optical properties of
the isoelectronic trap Hg in ZnO
Th. Agne, M. Dietrich, J. Hamann, S. Lany, H. Wolf, and Th. Wichert, ISOLDE Collaboration Applied Physics Letters, 82 (2003) 3448 — PDF (54 kB) DOI: http://dx.doi.org/10.1063/1.1576912 |
| Calculated electric
field gradients and electronic properties
of acceptors in CdTe S. Lany, V. Ostheimer, H. Wolf and Th. Wichert Hyperfine Interactions 136/137 (2001) 619 — PDF (166 kB) |
| The Strange Diffusivity
of Ag Atoms in CdTe H. Wolf, M. Deicher, V. Ostheimer, A. Rodriguez Schachtrup, N.A. Stolwijk, Th. Wichert, and ISOLDE Collaboration Physica B 308-310 (2001) 963 — PDF (200 kB) DOI: http://dx.doi.org/10.1016/S0921-4526(01)00843-2 |
| Vacancies in CdTe:
Experiment and theory S. Lany, V. Ostheimer, H. Wolf, and Th. Wichert Physica B 308-310 (2003) 958. — PDF (75 kB) DOI: http://dx.doi.org/10.1016/S0921-4526(01)00841-9 |
|
Defect identification
by means of EFG calculation |
|
Photoluminescence
study of II-VI semiconductors by using
radioactive 71As dopants |
|
Defect-Induced Bound-Exciton
Lines in Hydrogen-Doped CdTe: Zeeman Spectroscopy |
| Identification of Ag-acceptors
in 111Ag/111Cd doped
ZnTe and CdTe J. Hamann, A. Burchard, M. Deicher, T. Filz, S. Lany, V. Ostheimer, F. Strasser, H. Wolf, ISOLDE Collaboration, Th. Wichert Journal of Crystal Growth 214/215 (2000) 207. — PDF (85 kB) DOI: http://dx.doi.org/10.1016/S0022-0248(00)00083-X |
|
Defect complexes formed
with Ag atoms in CdTe, ZnTe, and ZnSe |
|
Group V acceptors
in CdTe: Ab initio calculation
of lattice relaxation and the electric-field
gradient |
| Defect Complexes Induced
by Diffusion of Group I Acceptors into CdTe H. Wolf, T. Filz, J. Hamann, S. Lany, V. Ostheimer, and Th. Wichert Physica B 273-274 (1999) 843. — PDF (108 kB) DOI: http://dx.doi.org/10.1016/S0921-4526(99)00518-9 |
| Luminescence and Influence
of Defect Concentration on Excitons in 197Hg/197Au
doped CdTe J. Hamann, A. Burchard, M. Deicher, T. Filz, V. Ostheimer, F. Strasser, H. Wolf, ISOLDE Collaboration, and Th. Wichert Physica B 273-274 (1999) 843. — PDF (152 kB) DOI: http://dx.doi.org/10.1016/S0921-4526(99)00533-5 |
|
The Incorporation and
Complex Formation of Ag Acceptors in CdTe
|
| Doping of CdTe with
radioactive 111In during MOCVD growth Ostheimer, V.; Filz, T.; Hamann, J.; Lauer, St.; Schmitz, Ch.; Weber, D.; Wolf, H. Journal of Crystal Growth 198-199 (1999) 1184. — PDF (184 kB) DOI: http://dx.doi.org/10.1016/S0022-0248(98)01114-2 |
| Magneto-Optical Properties
of a Hydrogen-Related Defect in CdTe J. Hamann, L. Worschech, D. Blaß, C.Y. Hu, T. Filz, W. Ossau, V. Ostheimer, C. Schmitz, H. Wolf, and Th. Wichert physica status solidi (b) 210 (1998) 513. — PDF (169 kB) DOI: http://dx.doi.org/10.1002/(SICI)1521-3951(199812)210:2<513::AID-PSSB513>3.0.CO;2-4 |
|
Electric Field Gradients
of Acceptor-Donor Pairs in Semiconductors |
| Identification of Ag-acceptor
Related Photoluminescence in 111Ag
doped CdTe J. Hamann, A. Burchard, M. Deicher, T. Filz, V. Ostheimer, C. Schmitz, H. Wolf, ISOLDE Collaboration, and Th. Wichert, Applied Physics Letters 72 (1998) 3029. — PDF (53 kB) DOI: http://dx.doi.org/10.1063/1.121530 |
|
Hydrogen-Related Photoluminescence
in CdTe |
| Hydrogen-Related Photoluminescence
in CdTe J. Hamann, D. Blaß, A. Burchard, C. Casimir, M. Deicher, T. Filz, R. Magerle, V. Ostheimer, C. Schmitz, H. Wolf, and Th. Wichert Applied Physics Letters 72 (1998) 554. — PDF (53 kB) DOI: http://dx.doi.org/10.1063/1.120756 |
| Passivation of Shallow
Dopants in II-VI Semiconductrs
H. Wolf, T. Filz, J. Hamann, A. Jost, V. Ostheimer, Th. Wichert in: "Shallow-Level-Centers in Semiconductors", C.A.J. Ammerlaan and B. Pajot (eds.), World Scientific Publ. Comp., 1997, 123 |
| Defect-Structures
in Heavily In-Doped II-VI Semiconductors
V. Ostheimer, T. Filz, J. Hamann, St. Lauer, D. Weber, H. Wolf, and Th. Wichert in: "Defects in Semiconductors ". Material Science Forum 258 (1997) 1341. |
|
Compensation of Dopants
in II-VI Semiconductors Studied by the
Acceptor 79Rb and the Donors 77Br and
111In |
| Atomic Configurations
of Group V Acceptors in ZnSe, ZnTe, and
CdTe V. Ostheimer, A. Jost, T. Filz, St. Lauer, H. Wolf, and Th. Wichert Applied Physics Letters 69 (1996) 2840. — PDF (232 kB) DOI: http://dx.doi.org/10.1063/1.117336 |
| Doping of ZnSe, ZnTe,
and CdTe with Group V Elements
H. Wolf, A. Burchard, M. Deicher, T. Filz, A. Jost, St. Lauer, R. Magerle, V. Ostheimer, W. Pfeiffer, and Th. Wichert, in: "Defects in Semiconductors 18", Materials Science Forum 196/201 (1995) 309. — PDF (208 kB) |
| Intrinsic Defects in
ZnSe, ZnTe, and CdS doped with Li H. Wolf, A. Jost, R. Lermen, T. Filz, V. Ostheimer, and Th. Wichert in: "Defects in Semiconductors 18", Materials Science Forum 196/201 (1995) 321. — PDF (412 kB) |
| MOCVD Grown CdTe Investigated
by Photoluminescence and PAC T. Filz, J. Hamann, R. Müller, V. Ostheimer, H. Wolf, and Th. Wichert Journal of Crystal Growth 159 (1996) 68. — PDF (278 kB) DOI: http://dx.doi.org/10.1016/0022-0248(95)00825-X |
| Radioactive Dopants in
MOCVD Grown CdTe T. Filz, St. Lauer, V. Ostheimer, R. Müller, S. Schütz, H. Wolf, and Th. Wichert, EW-MOVPE VI, 25.-28.06.1995, proceedings |
|
Metal Vacancies in Li
and In Doped ZnSe and CdS |
| On the Pairing between
Indium and Carbon Atoms in Silicon U. Ott, H. Wolf, Th. Krings, Th. Wichert, H. Häßlein, R. Sielemann, M. Deicher, R.C. Newman, and W. Zulehner in: "Defects in Semiconductors", Materials Science Forum 143/147 (1994) 1251. |
| Annealing of Cd-implanted GaAs: Defect
removal, lattice site occupation, and electrical
activation N. Moriya, I. Brener, R. Kalish, W. Pfeiffer, M. Deicher, R. Keller, R. Magerle, E. Recknagel, H. Skudlik, Th. Wichert, H. Wolf, and Isolde Collaboration J. Appl. Phys. 73 (1993) 4248. DOI: http://dx.doi.org/10.1063/1.354039 |
| Passivating Complexes in Cd Doped GaAs
and InP: Microscopic Properties and Electrical
Effects N. Moriya, M. Deicher, R. Kalish, R. Keller, R. Magerle, W. Pfeiffer, P. Pross, H. Skudlik, Th. Wichert, H. Wolf, and Isolde Collaboration, Mat. Res. Soc. Symp. Proc. 262 (1992) 431. |
| H-Passivation of Shallow Acceptors
in Si Studied by PAC H. Skudlik, M. Deicher, R. Keller, R. Magerle, W. Pfeiffer, P. Pross, E. Recknagel, and Th. Wichert Phys. Rev. B 46 (1992) 2172. — PDF (1832 kB) DOI: http://dx.doi.org/10.1103/PhysRevB.46.2172 |
| Influence of Electronic Parameters
on the Electric Field Gradients Induced
by H at the Probe Atom 111In/111Cd in Si H. Skudlik, M. Deicher, R. Keller, R. Magerle, W. Pfeiffer, D. Steiner, E. Recknagel, and Th. Wichert Phys. Rev. B 46 (1992) 2159. — PDF (2086 kB) DOI: http://dx.doi.org/10.1103/PhysRevB.46.2159 |
| Annealing of Damage in GaAs and in
InP after Implantation of Cd and In W. Pfeiffer, M. Deicher, R. Kalish, R. Keller, R. Magerle, N. Moriya, P. Pross, H. Skudlik, Th. Wichert, H. Wolf, and ISOLDE Collaboration, in: "Defects in Semiconductors", G. Davies, G.G. DeLeo, and M. Stavola, eds., Materials Science Forum, Vol. 83/87 (Trans Tech Publications, 1992) p. 1481. |
| PAC Study of the Acceptor
Li in II-VI Semiconductors H. Wolf, Th. Krings, U. Ott, U. Hornauer, and Th. Wichert, in: "Defects in Semiconductors", Materials Science Forum 83/87 (1992) 1259. — PDF (291 kB) |
| Hydrogen Passivation of Acceptors in
Silicon: A Combined PAC and Resistivity
Study H. Skudlik, M. Deicher, R. Keller, R. Magerle, W. Pfeiffer, P. Pross, and Th. Wichert Nucl. Instr. Meth. B63 (1992) 205. |
| Dynamic Behaviour of Cd-Cu Pairs in
Si Observed by PAC R. Keller, M. Deicher, R. Magerle, W. Pfeiffer, H. Skudlik, and Th. Wichert Nucl. Instr. Meth. B63 (1992) 202. |
| Generation of Intrinsic
Defects in CdS:In by Doping with Li Atoms H. Wolf, Th. Krings, and Th. Wichert Nucl. Instr. Meth. B63 (1992) 240. — PDF (247 kB) |
Investigation of nanocrystalline materials using radioactive isotopes |
| Doping and characterisation of nanocrystalline materials Th. Wichert, Z. Guan Solid State Phenomena 128 (2007) 61-72 |
Structural properties of the donor indium in nanocrystalline ZnO |
|
Grain Size Effect on the Temperatur
Dependence of the Electric Field Gradient
in nanocrystalline In |
|
Doping of the nanocrystalline
semiconductor zinc oxide with the donor
indium |
|
Investigation of mechanical
alloying of Ti–Al compounds using |
|
Incorporation of the
Donor In in Nanocrystalline ZnO |
| Magnetic Properties
of Grain Boundaries of Nanocrystalline Ni
and of Ni Precipitates in Nanocrystalline
NiCu Alloys H. Wolf, Z. Guan, X. Li, and Th. Wichert Hyperfine interactions 136/137 (2001) 281. — PDF (107 kB) |
|
Investigation of Grain
Growth and Stabilisation of Nanocrystalline
Ni |
|
Magnetic properties
of grain boundaries and precipitates in
nanocrystalline Ni and Ni-Cu alloys |
| Local Magnetic Properties
of Nanocrystalline Ni and Pd-Fe St. Lauer, Z. Guan, H. Wolf, H. Natter, M. Schmelzer, R. Hempelmann, and Th. Wichert Nanostructured Materials 12 (1999) 955. — PDF (142 kB) |
| Structural Investigations
of Nanocrystalline Ti-Al and Ni by PAC S. Lauer, Z. Guan, H. Wolf, and Th. Wichert Hyperfine Interactions 120/121 (1999) 307. — PDF (147 kB) |
| The Phase formation at
Mechanically Alloyed Ti-Al Compounds
St. Lauer, Z. Guan, H. Wolf, and Th. Wichert Materials Science Forum 269-272 (1998) 485. — PDF (314 kB) |
|
Investigation of Nanocrystalline
Materials by PAC |
| The Behavior of Nanometer-Sized
Ga as Observed by PAC St. Lauer, H. Ehrhardt, H.G. Zimmer, H. Wolf, and Th. Wichert Mat. Sci. Forum 225 (1995) 197. — PDF (307 kB) |
| Microscopic Investigations
of the Nanocomposite WGa H. Wolf, H.G. Zimmer, T. Filz, St. Lauer, Th. Wichert, and W. Krauß Mat. Science and Engineering A204 (1995) 43. — PDF (484 kB) |
|
PAC Investigations in
Nanostructured Materials |
|
Invited
Talks And Reviews
|
| Studies of semiconductors Thomas Wichert, Manfred Deicher Nuclear Physics A 693 (2001) 327 |
|
Quantentheorie |
| Physik Th. Wichert Stichwort in Herder Lexikon für Theologie und Kirche, 8 (1999) 276 |
| Perturbed Angular Correlation Studies
of Defects Th. Wichert in: "Semiconductors and Semimetals", ed. M. Stavola, 51B Academic Presss, 1999, p. 297 |
| Research in Semiconductors with Radioactiv
Ion Beams Thomas Wichert JHF, Japan 1998 |
| Pairing between Radioactive Solutes
and Point-Defects in Semiconductors Thomas Wichert Ber. Bunsenges. Phys. Chem. 101 (1997) 1274 |
| Radioactive Probe Atoms in Semiconductors Th. Wichert Hyperfine Interactions 97/98 (1996) 135 |
| Dopant-Defect Interactions in II-VI
Semiconductors Studied by PAC Th. Wichert in: Symposium B, "Defect and Impurity Engineered Semiconductors and Devices", Mat. Res. Soc. Symp. Proc. 378 (1995) 237. |
| Intrinsic and Extrinsic Defects in
Semiconductors Studied by Perturbed Angular
Correlation Spectroscopy Th. Wichert Appl. Phys. A 61 (1995) 207. |
| Condensed Matter Physics H. Bernas, S. Björnholm, C. Cohen, E. Karlsson, F. Mezei, T. Wichert, H. Doubre in: "Impact and Applications of Nuclear Science in Europe: Opportunities and Perspectives", A. van der Woude, J. Äystö, S. Galès, B. Jonson, G.-E. Körner, NuPECC Report December 1994. |
| Nuclear Probes for Investigating Radiation
Damage Th. Wichert J. Nucl. Mater. 216 (1994) 199. |
| Characterization of ZnSe and other
II-VI Semiconductors by Radioactive Dopants Th. Wichert, Th. Krings, and H. Wolf Physica B 185 (1993) 297. |
| Atomic Defect Configurations Identified
by Nuclear Techniques Th. Wichert in: "Defects in Semiconductors", G. Davies, G.G. DeLeo, and M. Stavola, eds., Materials Science Forum, Vol. 83/87 (Trans Tech Publications, 1992) p. 1081. |
| Perturbed Angular Correlation Th. Wichert, N. Achtziger, H. Metzner, and R. Sielemann in: Hyperfine Interaction of Defects in Semiconductors, G. Langouche (ed.), Elsevier, Amsterdam (1992) 77 |
| Fehlstellen in Metallen und Halbleitern Th. Wichert, H.J. Stöckmann und W. Witthuhn, in: Broschüre (Statusbericht 1989) über den vom BMFT geförderten Bereich "Erforschung kondensierter Materie und Atomphysik", Schriftenreihe "Naturwissenschaftliche Grundlagenforschung im Verbund mit Großgeräten" (Ausgabe 1989-1). |
| Feasibilities of Nuclear Techniques
for the Study of Molecular Defects in Metals
and Semiconductors Th. Wichert Hyperfine Interactions 45 (1989) 143. |
| Structural and Electronic Properties
of Defects in Semiconductors which can be
Studied by PAC Technique Th. Wichert in: "Proc. of XXIII Zakopane School on Physics", Zakopane, Poland (K. Krolas and K. Tomala, eds.), Institute of Nuclear Physics and Jagiellonian University, Krakow 1988, p. 95. |
| Characterization of Defect Structures
by Perturbed Angular Correlation Technique Th. Wichert in: Symposium I, "Characterization of Defects in Materials", Mat. Res. Soc. Symp. Proc. 82 (1987) 35. |
| Comparative Study of Vacancy Clustering
in Al and Cu, Using PAC, Channeling and
Positron Annihilation Th. Wichert in: "Vacancies and Interstitials in Metals and Alloys", H. Wollenberger, C. Abromeit (eds.), Materials Science Forum, Vol. 15/17 (Trans Tech Publications, 1987) p. 829. |
| Perturbed Angular Correlation Th. Wichert and E. Recknagel in: "Microscopic Methods in Metals", ed. U. Gonser, Topics in Current Physics, Vol.40, Springer Verlag Heidelberg/New York, 1986, p. 317. |
| Hyperfine Interactions - A Tool for
the Study of Lattice Defects Th. Wichert Hyperfine Interactions 15/16 (1983) 335. |
| Helium Diffusion in Metals Observed
by Radioactive Atoms Using PAC Th. Wichert Rad. Effects 78 (1983) 177. |
| Hyperfine Interactions of Defects in
Metals E. Recknagel, G. Schatz, and Th. Wichert in: "Hyperfine Interactions of Radioactive Nuclei", ed. J. Christiansen, Topics of Current Physics, Vol.31, Springer Verlag Heidelberg/New York, 1983, p. 133. |
| PAC Study of Point Defects in Metals Th. Wichert in: "Yamada Conference V on Point Defects and Defect Interactions in Metals", edited by J. Takamura, M. Doyama and M. Kiritani, University of Tokyo Press, Tokyo, 1982, p. 19. |
| Defects in Metals - Detected by Spin
Precession Methods Th. Wichert and E. Recknagel in: "Nuclear and Electron Resonance Spectroscopies Applied to Materials Science", Edited by E.N. Kaufmann and G.K. Shenoy, Elsevier North Holland, New York, 1981, p. 211. |
| Defects in Metals - Studied by Implanted
Radioactive Atoms E. Recknagel and Th. Wichert Nucl. Instr. Meth. 182/183 (1981) 439. |
| SR-Spectroscopy Th. Wichert in: "Proc. of XVII Winter School Bielsko-Biala, Poland (R. Kulessa and K. Krolas, eds.), Institute of Nuclear Physics, Jagiellonian University, Krakow 1979 (Report No. 1066/PL) p. 312. |
|
Nuclear
Physics
|
| The Half-Lives of the First and Second
Excited States in 66Ga W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert Nucl. Phys. A 258 (1976) 103. |
| Electric Quadrupole Interaction of
Recoil-Implanted Zinc in Cadmium W. Bartsch, J. Golczewski, W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert Phys. Lett. 50A (1975) 413. |
| Spinrotation of the 1 s Isomer of 85Rb
in a Krypton Gas Target W. Bartsch, W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert Physica Scripta 11 (1975) Nr. 3 - 4. |
| Magnetic Moment of the 2-State in 92Nb W. Leitz, E. Recknagel, R. Sielemann, and Th. Wichert Nucl. Phys. A 221 (1974) 319. |
| Quadrupole Interactions of Ge-Nuclei
in Zn and Ga Following Nuclear Reactions H. Haas, W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert Phys. Rev. Lett. 30 (1973) 656 |
| Quadrupole Interactions of Ge-Nuclei
in Zn and Ga Following Nuclear Reactions H. Haas, W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert J. Phys. Soc. Jap. 34 (Suppl.), 221 (1973) |
| Discussion of Magnetic Moments of Excited
9/2+ States Around A = 70 - Experimental
Values for 67Zn and 67Ge H. Bertschat, H. Haas, W. Leitz, U. Leithäuser, K.H. Maier, H.E. Mahnke, E. Recknagel, W. Semmler, R. Sielemann, B. Spellmeyer, and Th. Wichert J. Soc. Jap. 34 (Suppl.), 217 (1973). |
| Time-Differential Perturbed Angular
Distribution Following a Fast-Neutron-Induced
Nuclear Reaction W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert J. Phys. Soc. 34 (Suppl.), 174 (1973). |
| Magnetic Moments and Lifetimes of a
(3+)-273 keV Level in 74As and the (1+)-45
keV Level in 76As M. Becker, H. Bertschat, H.E. Mahnke, E. Recknagel, D. Riegel, R. Sielemann, B. Spellmeyer, and Th. Wichert, J. Christiansen, W. Witthuhn, in: "Angular Correlation in Nuclear Disintegration, ed. H.v. Grygten, B. v. Nooijen - Rotterdam 1971, p. 564. |
| Magnetic Moment of the 10 sec Level
in 58Co and Relaxation of Aligned 58Co Nuclei
in - and -Iron M. Becker, H. Bertschat, H.E. Mahnke, E. Recknagel, R. Sielemann, B. Spellmeyer, and Th. Wichert in: "Hyperfine Interactions in Excited Nuclei, ed. G. Goldring, R. Kalish, New York, 1971, p. 1192. |
|
Nuclear
Solid State Physics Using Accelerators
|
| Temperature Dependence of the Quadrupole
Interaction of 67Ge and 67Zn in s-p-Metals W. Bartsch, B. Lamp, W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert Z. Physik B 32 (1979) 301. |
| Influence of Impurities on the Solute
Electric Field Gradient in non-cubic s-p-metals W. Leitz, W. Semmler, R. Sielemann, and Th. Wichert Phys. Rev. B14 (1976) 5228. |
|
Electric Field Gradients of Recoil
Implanted 19F in Metallic Backings via
the Reaction |
| Temperature Dependence of the Quadrupole
Interaction of the Impurity 67Ge in Zn,
Cd and Sn W. Bartsch, B. Lamp, W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert Hyperfine Interactions 2 (1976) 219. |
| Probe Specific Temperature Dependence
of the Quadrupole Interaction of 67Ge in
Zinc Metal W. Bartsch, W. Leitz, W. Semmler, R. Sielemann, and Th. Wichert Phys. Lett. 54A (1975) 66. |
| Time-Differential Observation of Quadrupole
Interactions Following Recoil Implantation
of a Ge-Probe into Cd, In, Sn and Sb W. Bartsch, W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert Z. Physik B 21 (1975) 131. |
| On the Probe Dependence of the Electric
Field Gradients in s-p-Metals W. Bartsch, W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert Physica Scripta 11 (1975) Nr. 3 - 4. |
| Quadrupole Interaction Following Nuclear
Reactions Studied by the Recoil Implantation
Technique W. Bartsch, W. Leitz, H.E. Mahnke, W. Semmler, R. Sielemann, and Th. Wichert, Physica Scripta 11 (1975) Nr. 3 - 4. |
|
Defect
Studies By Radioactive Atoms (PAC)
|
|
Metals
|
| Migration and Agglomeration of Helium-Atoms
in Copper G. Grübel, M. Deicher, R. Keller, Th. Korinth, W. Reiner, E. Recknagel, and Th. Wichert, Hyperfine Interactions 35 (1987) 609. |
| Positron Lifetime and Perturbed Angular
Correlation Measurements of the Annealing
of Quenched Al and Dilute Al(In) Alloys J.A. Jackman, Th. Wichert, and M.L. Swanson J. Phys. F17 (1987) 1257. |
| Trapping of Lattice Defects at 111In
Atoms in Cold-Worked Copper M. Deicher, G. Grübel, W. Reiner, and Th. Wichert in: "Vacancies and Interstitials in Metals and Alloys", H. Wollenberger, C. Abromeit (eds.), Materials Science Forum, Vol. 15/17 (Trans Tech Publications, 1987) p. 635. |
| Comparison of Diffusion and Single
Vacancy Trapping for Solute Atoms Th. Wichert, G. Grübel, and M. Deicher in: "Solute-Defect Interaction", S. Saimoto, G. Purdy, G. Kidson eds. Pergamon Press, New York, 1986, p. 75. |
| Clustering and Precipitation of Indium
Atoms in Quenched Al-In Crystals M.L. Swanson, Th. Wichert, L.M. Howe, and A.F. Quenneville Nucl. Instr. Meth. B15 (1986) 413. |
| Migration of Helium Atoms in Copper
at 25 K Th. Wichert, M. Deicher, G. Grübel, E. Recknagel, and W. Reiner Phys. Rev. Lett. 55 (1985) 726. |
| On the Interpretation of In-Vacancy
Complexes Observed by PAC Th. Wichert and M.L. Swanson, Hyperfine Interactions 23 (1985) 231. |
| Perturbed Angular Correlation Measurements
of Vacancy Trapping at Indium Atoms in Quenched
Aluminum M.L. Swanson, Th. Wichert, L.M. Howe, A.F. Quenneville, and O.M. Westcott Mat. Res. Soc. Symp. Proc. 41 (1985) 35. |
| Helium-Vacancy Interaction in Helium
Implanted Gold M. Deicher, G. Grübel, E. Recknagel, W. Reiner, and Th. Wichert, Mat. Science and Engineering 69 (1985) 57. |
| 111In-Pd Interactions in Defect Cascades
in AgPd and CuPd M. Deicher, G. Grübel, E. Recknagel, Th. Wichert, and M. Behar Nucl. Instr. Meth. B7/8 (1985) 119. |
| Microstructural Processes in Metals
Observed by Perturbed Angular Correlation M. Deicher, G. Grübel, E. Reckangel, W. Reiner, and Th. Wichert in: "Microstructural Characterization of Materials by Non-Microscopical Techniques", eds. N. Hessel Andersen et al. (Risö National Laboratories, Roskilde, 1984) p. 225. |
| Vacancy Trapping in Cu-0.1
at.% In M.L. Swanson, L.M. Howe, A.F. Quenneville, Th. Wichert, and M. Deicher J. Phys. F14 (1984) 1603. |
| Geometrical Significance of the Orientation
of Defect-Induced Electric Field Gradients M. Deicher, R. Minde, E. Recknagel, and Th. Wichert Hyperfine Interactions 15/16 (1983) 437. |
| Damage Rate Experiments in AuIn M. Deicher, R. Minde, and Th. Wichert Hyperfine Interactions 15/16 (1983) 401. |
| Nucleation of He Clusters at 111In
in Metals M. Deicher, G. Grübel, W. Reiner, and Th. Wichert Hyperfine Interactions 15/16 (1983) 467. |
| Defect Trapping by 100Pd in fcc Metals M. Deicher, G. Grübel, E. Recknagel, and Th. Wichert Hyperfine Interactions 15/16 (1983) 405. |
| Probing of Lattice Defects by Radioactive
Atoms Th. Wichert, M. Deicher, G. Lindner, H. Hofsäss, and E. Recknagel, Nucl. Instr. Meth. in Phys. Research 218 (1983) 633. |
| Diffusion of Implanted He in Metals
Observed by PAC M. Deicher, G. Grübel, and Th. Wichert Nucl. Instr. Meth. 209/210 (1983) 817. |
| Migration of Implanted He in Stainless
Stell as Observed by Trapping at 111In Atoms M. Deicher, G. Grübel, and Th. Wichert in "Yamada Conference V on Point Defects and Defect Interactions in Metals", edited by J. Takamura, M. Doyama, and M. Kiritani, University of Tokyo Press, Tokyo, 1982, p. 309. |
| Defects in Copper, Studied by PAC between
10 K and 800 K M. Deicher, G. Grübel, R. Minde, E. Recknagel, and Th. Wichert in "Yamada Conference V on Point Defects and Defect Interactions in Metals", edited by J. Takamura, M. Doyama, and M. Kiritani, University of Tokyo Press, Tokyo, 1982, p. 220. |
| Geometrical Structure of Lattice Defect-Impurity
Configurations Determined by TDPAC M. Deicher, O. Echt, E. Recknagel, and Th. Wichert in: "Nuclear and Electron Resonance Spectroscopies, Applied to Materials Science", Edited by E.N. Kaufmann and G.K. Shenoy, Elsevier, North-Holland, New York, 1981, p. 435. |
| Contributions of Different Defects
to the Recovery Stage at 250 K in Gold M. Deicher, E. Recknagel, and Th. Wichert Rad. Effects 54 (1981) 155. |
| Defect Types in Noble Metals Migrating
in Stage III after Irradiation and Quenching M. Deicher, E. Recknagel, and Th. Wichert Hyperfine Interactions 10 (1981) 675. |
| Impurity Cluster Interaction in fcc
Metals Studied by PAC M. Deicher, O. Echt, E. Recknagel, and Th. Wichert Hyperfine Interactions 10 (1981) 667. |
| Annealing Behaviour of Particle Irradiated
Molybdenum A. Weidinger, R. Wessner, E. Recknagel, and Th. Wichert Nucl. Instr. Meth. 182/183 (1981) 509. |
| Defect Configurations in Irradiated
Molybdenum A. Weidinger, R. Wessner, Th. Wichert, and E. Recknagel Phys. Lett. 72A (1979) 369. |
| Defect Annealing in Copper around Stage
III Th. Wichert, M. Deicher, O. Echt, and E. Recknagel Phys. Rev. Lett. 41 (1978) 1659. |
| Impurity-Defect Configurations in Ion-Irradiated
Copper, Studied by the DPAC-Technique with
111In O. Echt, E. Recknagel, A. Weidinger, and Th. Wichert Z. Physik B 32 (1978) 59. |
| Systematically Weak Temperature Dependence
of Electric Field Gradients in Distorted
Cubic Metals A. Weidinger, O. Echt, E. Recknagel, G. Schatz, and Th. Wichert Phys. Lett. 65A (1978) 247. |
| Point Defect Trapping at 111In in Copper
after Ion Implantation O. Echt, E. Recknagel, A. Weidinger, and Th. Wichert Hyperfine Interactions 4 (1978) 706. |
| Temperature Dependence of the Electric
Field Gradient in Radiation Damaged Copper O. Echt, E. Recknagel, G. Schatz, A. Weidinger, and Th. Wichert Hyperfine Interactions 4 (1978) 585. |
|
Semiconductors
|
| Investigation of Hydrogen in Semiconductors
by Nuclear Techniques M. Deicher, R. Keller, W. Pfeiffer, H. Skudlik, and Th. Wichert Physica B 170 (1991) 335. |
| Defects in CdS:In Detected by Perturbed
Angular Correlation Spectroscopy (PAC) R. Magerle, M. Deicher, U. Desnica, R. Keller, W. Pfeiffer, F. Pleiter, H. Skudlik, and Th. Wichert Appl. Surf. Science 50 (1991) 159. |
| Characterization of Cd Implanted and
Annealed GaAs and InP by Perturbed Angular
Correlation (PAC) Spectroscopy W. Pfeiffer, M. Deicher, R. Keller, R. Magerle, P. Pross, H. Skudlik, Th. Wichert, H. Wolf, D. Forkel, N. Moriya, and R. Kalish Appl. Surf. Science 50 (1991) 154. |
| Regrowth of Damage Layers in Diamond
Produced by Ion Implantation G.S. Sandhu, B. Liu, N.R. Parikh, J.D. Hunn, M.L. Swanson, Th. Wichert, M. Deicher, H. Skudlik, W.N. Lennard, and I.V. Mitchell Mat. Res. Soc. Symp. Proc. 162 (1990) 189. |
| Cd-H- Pairs in GaAs: Identification
and Stability W. Pfeiffer, M. Deicher, R. Keller, R. Magerle, E. Recknagel, H. Skudlik, Th. Wichert, H. Wolf, D. Forkel, N. Moriya, and R. Kalish Appl. Phys. Lett. 58 (1990) 1751. |
| Copper in Silicon R. Keller, M. Deicher, W. Pfeiffer, H. Skudlik, D. Steiner, and Th. Wichert Phys. Rev. Lett. 65 (1990) 2023. |
| Formation of In-Cu Pairs in Silicon
during Chemomechanical Polishing Th. Wichert, R. Keller, M. Deicher, W. Pfeiffer, H. Skudlik, and D. Steiner, in: Impurities, Defects and Diffusion in Semiconductors: Bulk and Layered Structures Mat. Res. Soc. Symp. Proc. 163 (1990) 245. |
| Stability of Acceptor-Hydrogen Complexes
in Semiconductors H. Skudlik, M. Deicher, R. Keller, W. Pfeiffer, D. Steiner, and Th. Wichert in: Defect Control in Semiconductors, K. Sumino (ed.) Elsevier Science Publisher B.V. (North-Holland), 1989, p. 413. |
| Identification of Process-Induced Defects
in Silicon by PAC R. Keller, M. Deicher, W. Pfeiffer, H. Skudlik, D. Steiner, and Th. Wichert in: Defect Control in Semiconductors, K. Sumino (ed.) Elsevier Science Publisher B.V. (North-Holland), 1989, p. 377. |
| Pairing of Acceptors with Interstitial
Donors in Silicon and Germanium M. Deicher, R. Keller, W. Pfeiffer, H. Skudlik, D. Steiner, E. Recknagel, and Th. Wichert Mat. Science and Engineering B4 (1989) 25. |
| Perturbed Angular Correlation Studies
of Dopant Atom Interactions in Silicon Th. Wichert and M.L. Swanson J. Appl. Phys. 66 (1989) 3026. |
| Indium-Defect Complexes in Silicon
Studied by Perturbed Angular Correlation
Spectroscopy Th. Wichert, M. Deicher, G. Grübel, R. Keller, N. Schulz, and H. Skudlik Appl. Phys. A 48 (1989) 59. |
| Perturbed Angular Correlation Spectroscopy
of In-Li Pairs in Silicon M. Deicher, G. Grübel, R. Keller, E. Recknagel, N. Schulz, H. Skudlik, and Th. Wichert, in: "Defects in Semiconductors", edited by G. Ferenczi, Materials Science Forum, Vol. 38/41 (Trans Tech Publications, 1989), p. 367. |
| Thermal Stability of Acceptor-Hydrogen
Pairs in Silicon M. Deicher, G. Grübel, R. Keller, E. Recknagel, N. Schulz, H. Skudlik, and Th. Wichert, in: "Defects in Semiconductors", edited by G. Ferenczi Materials Science Forum, Vol. 38/41 (Trans Tech Publications, 1989), p. 1045. |
| On the Nature of Defects Formed During
Chemomechanical Polishing of Silicon M. Deicher, G. Grübel, R. Keller, E. Recknagel, N. Schulz, H. Skudlik, Th. Wichert, H. Prigge, and A. Schnegg, in: "Shallow Impurities in Semiconductors 1988", edited by B. Monemar, Inst. Phys. Conf. Ser. No 95, p. 155. |
| Passivation of Shallow Acceptors by
H in Si: A Microscopic Study by Perturbed
Angular Correlations Th. Wichert, H. Skudlik, M. Deicher, G. Grübel, R. Keller, E. Recknagel, and L. Song Phys. Rev. Lett. 59 (1987) 2087. |
| Structural Lattice Defects in Silicon
Observed at 111In by Perturbed Angular Correlation M. Deicher, G. Grübel, E. Recknagel, H. Skudlik, and Th. Wichert Hyperfine Interactions 35 (1987) 719. |
| Defect-Impurity Interaction in 111In
Implanted Silicon M. Deicher, G. Grübel, E. Recknagel, and Th. Wichert Nucl. Instr. Meth. B19/20 (1987) 325. |
| Structural Defects in Ion-Implanted
Silicon Observed by Perturbed Angular Correlation M. Deicher, G. Grübel, E. Recknagel, and Th. Wichert in: "Defects in Semiconductors", edited by H.J. van Bardeleben Materials Science Forum, Vol. 10/12 (Trans Tech Publications, 1986), p. 1141. |
| On the Formation of 111In-Donor Atom
Pairs in Silicon as Observed by PAC Th. Wichert, M.L. Swanson, and A.F. Quenneville, in: "Defects in Semiconductors", edited by H.J. van Bardeleben Materials Science Forum, Vol. 10/12 (Trans Tech Publications, 1986) p. 551. |
| Detection of In-P and In-Sb Atom Pairs
by Perturbed Angular Correlation in Silicon M.L. Swanson, Th. Wichert, and A.F. Quenneville Appl. Phys. Lett. 49 (1986) 265. |
| Formation of In-As Complexes in Silicon
Observed by the Perturbed-Angular-Correlation
Technique Th. Wichert, M.L. Swanson, and A.F. Quenneville Phys. Rev. Lett. 57 (1986) 1757. |
| Detection of Electronic Perturbations
in Silicon after EC Decay of 111In Observed
by PAC M. Deicher, G. Grübel, E. Recknagel, Th. Wichert, and D. Forkel Nucl. Inst. Meth. B13 (1986) 499. |
| Perturbed Angular Correlation and Rutherford
Backscattering Studies in Indium Implanted
Silicon M. Deicher, G. Grübel, H. Hofsäss, E. Recknagel, and Th. Wichert Nucl. Instr. Meth. B15 (1986) 41 |
| Intrinsic Limitations of Doping Diamonds
by Heavy-Ion Implantation R. Kalish, M. Deicher, E. Recknagel, and Th. Wichert J. Appl. Phys. 50 (1979) 6870. |
|
Solid
State Physics Using Positive Muons ( SR)
|
| Muon Trapping at Monovacancies in Iron A. Möslang, H. Graf, G. Balzer, E. Recknagel, A. Weidinger, Th. Wichert, and R.I. Grynszpan Phys. Rev. B27 (1983) 2674. |
| Observation of Monovacancies in Iron
by the SR Technique A. Möslang, H. Graf, E. Recknagel, A. Weidinger, Th. Wichert, and R.I. Grynszpan in: "Yamada Conference V on Point Defects and Defect Interactions in Metals", edited by J. Takamura, M. Doyama, and M. Kiritani, University of Tokyo Press, Tokyo, 1982, p. 11. |
| Muon Diffusion and Internal Fields
in Chromium A. Weidinger, G. Balzer, H. Graf, T. Möslang, E. Recknagel, Th. Wichert, J. Bigot, and R.I. Grynszpan, Hyperfine Interactions 8 (1981) 543. |
| Depolarization Mechanisms for Muonium
in Germanium A. Weidinger, G. Balzer, H. Graf, E. Recknagel, and Th. Wichert Phys. Rev. B24 (1981) 6185. |
| Magnetic Field Dependence of Anomalous
Muonium G. Balzer, H. Graf, E. Recknagel, A. Weidinger, and Th. Wichert Hyperfine Interactions 8 (1981) 393. |
| Hyperfine Constant of Myonium in Germanium G. Balzer, H. Graf, E. Recknagel, A. Weidinger, and Th. Wichert Hyperfine Interactions 9 (1981) 603. |
| Application of SR to Radiation Damage
in Metals O. Echt, H. Graf, E. Holzschuh, E. Recknagel, A. Weidinger, and Th. Wichert Hyperfine Interactions 6 (1979) 329. |
| Diffusion of Positive Muons in Nickel
and Iron H. Graf, E. Holzschuh, E. Recknagel, A. Weidinger, and Th. Wichert Hyperfine Interactions 6 (1979) 245. |
| Muonium States in Germanium E. Holzschuh, H. Graf, E. Recknagel, A. Weidinger, Th. Wichert, and P.F. Meier Phys. Rev. B20 (1979) 4391. |
| Anomalous Muonium in Germanium H. Graf, E. Holzschuh, E. Recknagel, A. Weidinger, and Th. Wichert Hyperfine Interactions 6 (1979) 177. |
| SR Study of Proton-Irradiated Aluminum
and Copper at Low Temperatures O. Echt, H. Graf, E. Holzschuh, E. Recknagel, A. Weidinger, and Th. Wichert Phys. Lett. 67A (1978) 427. |
| SR in Ferromagnetic and Antiferromagnetic
Dysprosium W. Hoffmann, W. Kündig, P.F. Meier, B.D. Patterson, K. Rüegg, O. Echt, H. Graf, E. Recknagel, A. Weidinger, and Th. Wichert Phys. Lett. 65A (1978) 343 |
| Muonium States in Silicon B.D. Patterson, W. Kündig, P.F. Meier, F. Waldner, H. Graf, E. Recknagel, A. Weidinger, and Th. Wichert Helv. Phys. Acta 51 (1978) 442. |
| Anomalous Muonium in Silicon B.D. Patterson, A. Hintermann, W. Kündig, P.F. Meier, F. Waldner, H. Graf, E. Recknagel, A. Weidinger, and Th. Wichert Phys. Rev. Lett. 40 (1978) 1347. |
|
Channeling
And Blocking Experiments
|
| Ion Channneling and Perturbed Angular
Correlation (PAC) Studies of In-As Atom
Pairs in Silicon M.L. Swanson, N.R. Parikh, E.C. Frey, and Th.Wichert Nucl. Instr. Meth. B33 (1988) 591. |
| Localization of Hydrogen in B and In
Doped Silicon by Ion Channeling and PAC Th. Wichert, H. Skudlik, H.D. Carstanjen, T. Enders, M. Deicher, G. Grübel, R. Keller, L. Song, and M. Stutzmann in: Symposium E, "Defects in Electronic Materials", Mat. Res. Soc. Symp. Proc. 104 (1988) 265. |
| Combined PAC and Electron-Channeling
Studies of He-Defect Interaction in Cu between
30 and 900 K H. Hofsäss, S. Winter, G. Lindner, M. Deicher, G. Grübel, Th. Wichert, and E. Recknagel Rad. Effects 103 (1987) 1. |
| Microstructure Analysis
by Channeling Using Nuclear Probes G. Lindner, H. Hofsäss, E. Recknagel, and Th. Wichert in: "Microstructural Characterization of Materials by Non-Microscopical Techniques", eds. N. Hessel Andersen et al. (Risö National Laboratories, Roskilde, 1984) p. 377. |
| Positron Blocking from Muon Decay in
Silicon B.D. Patterson, A. Bosshard, U. Straumann, P. Trüol, A. Wüest, and Th. Wichert Phys. Rev. Lett. 52 (1984) 938. |
| Channeling of Conversion Electrons
from Radioactive Impurities for Analysis
of Atomic Structures in Solids H. Hofsäss, G. Lindner, E. Recknagel, and Th. Wichert Nucl. Instr. Meth. B2 (1984) 13. |
| Detection of Vacancy Clustering by
Combined PAC and Lattice Location Measurements M. Deicher, H. Hofsäss, G. Lindner, E. Recknagel, Th. Wichert, M.L. Swanson, L.M. Howe, and A.F. Quenneville Hyperfine Interactions 15/16 (1983) 379. |
| Muon Decay Channeling in Silicon B.D. Patterson, A. Bossard, U. Straumann, P. Truöl, A. Wüest, and Th. Wichert Hyperfine Interactions 17/19 (1984) 965. |
| Defects in InCu Simultaneously Observed
by Channeling and PAC G. Lindner, K. Bendel, M. Deicher, R. Minde, E. Recknagel, and Th. Wichert Nucl. Instr. Meth. 194 (1982) 193. |
| Realization of Simultaneous Channeling
and Nuclear Hyperfine Interaction Experiments Th. Wichert, G. Lindner, M. Deicher, and E. Recknagel Phys. Rev. B24 (1981) 7467. |
| Channeling of Positrons from + Decay B.D. Patterson, A.S. Arrott, and Th. Wichert in: Proc. of the 8th Intern. Conf. on High Energy Physics and Nuclear Structure, Vancouver, Canada, 1979. |