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347 Publications
2002 | Journal Article | LibreCat-ID: 13741
GaAs(001): Surface Structure and Optical Properties
W.G. Schmidt, F. Bechstedt, K. Fleischer, C. Cobet, N. Esser, W. Richter, J. Bernholc, G. Onida, Physica Status Solidi (A) 188 (2002) 1401–1409.
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| DOI
W.G. Schmidt, F. Bechstedt, K. Fleischer, C. Cobet, N. Esser, W. Richter, J. Bernholc, G. Onida, Physica Status Solidi (A) 188 (2002) 1401–1409.
2002 | Journal Article | LibreCat-ID: 13742
Towards a Complete Many-Body Description: Optical Response of Real Surfaces
F. Bechstedt, W.G. Schmidt, P.H. Hahn, Physica Status Solidi (A) 188 (2002) 1383–1392.
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F. Bechstedt, W.G. Schmidt, P.H. Hahn, Physica Status Solidi (A) 188 (2002) 1383–1392.
2002 | Journal Article | LibreCat-ID: 13745
Theory for Modeling the Optical Properties of Surfaces
G. Onida, W.G. Schmidt, O. Pulci, M. Palummo, A. Marini, C. Hogan, R. Del Sole, Physica Status Solidi (A) 188 (2002) 1233–1242.
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G. Onida, W.G. Schmidt, O. Pulci, M. Palummo, A. Marini, C. Hogan, R. Del Sole, Physica Status Solidi (A) 188 (2002) 1233–1242.
2002 | Journal Article | LibreCat-ID: 13749
X-ray diffraction analysis of the gallium-rich surface of GaAs(001)
D. Paget, Y. Garreau, M. Sauvage, P. Chiaradia, R. Pinchaux, W.G. Schmidt, Physical Review B 64 (2002) 161305(R).
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D. Paget, Y. Garreau, M. Sauvage, P. Chiaradia, R. Pinchaux, W.G. Schmidt, Physical Review B 64 (2002) 161305(R).
2002 | Journal Article | LibreCat-ID: 13750
First-principles study of InP and GaP(001) surfaces
O. Pulci, K. Lüdge, P. Vogt, N. Esser, W.G. Schmidt, W. Richter, F. Bechstedt, Computational Materials Science (2002) 32–37.
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O. Pulci, K. Lüdge, P. Vogt, N. Esser, W.G. Schmidt, W. Richter, F. Bechstedt, Computational Materials Science (2002) 32–37.
2002 | Journal Article | LibreCat-ID: 13752
On the origin of resonance features in reflectance difference data of silicon
K. Hingerl, R.. Balderas-Navarro, A. Bonanni, P. Tichopadek, W. Schmidt, Applied Surface Science 175–176 (2002) 769–776.
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K. Hingerl, R.. Balderas-Navarro, A. Bonanni, P. Tichopadek, W. Schmidt, Applied Surface Science 175–176 (2002) 769–776.
2002 | Journal Article | LibreCat-ID: 13754
Terrace and step contributions to the optical anisotropy of Si(001) surfaces
W.G. Schmidt, F. Bechstedt, J. Bernholc, Physical Review B 63 (2002) 045322.
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W.G. Schmidt, F. Bechstedt, J. Bernholc, Physical Review B 63 (2002) 045322.
2002 | Journal Article | LibreCat-ID: 13755
Optical Anisotropy of theSiC(001)-(3×2)Surface: Evidence for the Two-Adlayer Asymmetric-Dimer Model
W. Lu, W.G. Schmidt, E.L. Briggs, J. Bernholc, Physical Review Letters 85 (2002) 4381–4384.
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W. Lu, W.G. Schmidt, E.L. Briggs, J. Bernholc, Physical Review Letters 85 (2002) 4381–4384.
2001 | Journal Article | LibreCat-ID: 13751
Atomic structure and optical anisotropy of III–V(001) surfaces
N. Esser, W.G. Schmidt, C. Cobet, K. Fleischer, A.I. Shkrebtii, B.O. Fimland, W. Richter, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 19 (2001).
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N. Esser, W.G. Schmidt, C. Cobet, K. Fleischer, A.I. Shkrebtii, B.O. Fimland, W. Richter, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 19 (2001).
2001 | Journal Article | LibreCat-ID: 13753
Structure and Energetics of P-rich GaP(001) Surfaces
O. Pulci, W.G. Schmidt, F. Bechstedt, Physica Status Solidi (A) 184 (2001) 105–110.
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O. Pulci, W.G. Schmidt, F. Bechstedt, Physica Status Solidi (A) 184 (2001) 105–110.
2001 | Journal Article | LibreCat-ID: 13847
On the origin of resonance features in reflectance difference data of silicon
K. Hingerl, R.. Balderas-Navarro, A. Bonanni, P. Tichopadek, W.G. Schmidt, Applied Surface Science 175–176 (2001) 769–776.
LibreCat
| DOI
K. Hingerl, R.. Balderas-Navarro, A. Bonanni, P. Tichopadek, W.G. Schmidt, Applied Surface Science 175–176 (2001) 769–776.
2001 | Journal Article | LibreCat-ID: 13849
Terrace and step contributions to the optical anisotropy of Si(001) surfaces
W.G. Schmidt, F. Bechstedt, J. Bernholc, Physical Review B 63 (2001).
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| DOI
W.G. Schmidt, F. Bechstedt, J. Bernholc, Physical Review B 63 (2001).
2000 | Journal Article | LibreCat-ID: 13756
First-principles study of (2×1) and (2×2) phosphorus-rich InP(001) surfaces
O. Pulci, K. Lüdge, W.G. Schmidt, F. Bechstedt, Surface Science 464 (2000) 272–282.
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O. Pulci, K. Lüdge, W.G. Schmidt, F. Bechstedt, Surface Science 464 (2000) 272–282.
2000 | Journal Article | LibreCat-ID: 13757
(001) Surfaces of GaP and InP: structural motifs, electronic states and optical signatures
W.G. Schmidt, J. Bernholc, F. Bechstedt, Applied Surface Science 166 (2000) 179–184.
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W.G. Schmidt, J. Bernholc, F. Bechstedt, Applied Surface Science 166 (2000) 179–184.
2000 | Journal Article | LibreCat-ID: 13758
Angle Resolved Photoemission Spectroscopy of the InP(001) surface
A.M. Frisch, P. Vogt, S. Visbeck, T. Hannappel, F. Willig, W. Braun, W. Richter, J. Bernholc, W.G. Schmidt, N. Esser, Applied Surface Science 166 (2000) 224–230.
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A.M. Frisch, P. Vogt, S. Visbeck, T. Hannappel, F. Willig, W. Braun, W. Richter, J. Bernholc, W.G. Schmidt, N. Esser, Applied Surface Science 166 (2000) 224–230.
2000 | Journal Article | LibreCat-ID: 13759
Surface phase diagram of (2×4) and (4×2) reconstructions of GaAs(001)
W.G. Schmidt, S. Mirbt, F. Bechstedt, Physical Review B 62 (2000) 8087–8091.
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W.G. Schmidt, S. Mirbt, F. Bechstedt, Physical Review B 62 (2000) 8087–8091.
2000 | Journal Article | LibreCat-ID: 13760
Understanding reflectance anisotropy: Surface-state signatures and bulk-related features in the optical spectrum ofInP(001)(2×4)
W.G. Schmidt, N. Esser, A.M. Frisch, P. Vogt, J. Bernholc, F. Bechstedt, M. Zorn, T. Hannappel, S. Visbeck, F. Willig, W. Richter, Physical Review B 61 (2000) R16335–R16338.
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W.G. Schmidt, N. Esser, A.M. Frisch, P. Vogt, J. Bernholc, F. Bechstedt, M. Zorn, T. Hannappel, S. Visbeck, F. Willig, W. Richter, Physical Review B 61 (2000) R16335–R16338.
2000 | Journal Article | LibreCat-ID: 13761
Understanding reflectance anisotropy: Surface-state signatures and bulk-related features
W.G. Schmidt, F. Bechstedt, J. Bernholc, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 18 (2000).
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W.G. Schmidt, F. Bechstedt, J. Bernholc, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 18 (2000).
2000 | Journal Article | LibreCat-ID: 13762
Step-induced optical anisotropy of Si(111):H surfaces
W.G. Schmidt, J. Bernholc, Physical Review B 61 (2000) 7604–7608.
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W.G. Schmidt, J. Bernholc, Physical Review B 61 (2000) 7604–7608.
2000 | Book Chapter | LibreCat-ID: 13763
Large-Scale Applications of Real-Space Multigrid Methods to Surfaces, Nanotubes and Quantum Transport
J. Bernholc, E.L. Briggs, C. Bungaro, M. Buongiorno Nardelli, J.-L. Fattebert, K. Rapcewicz, C. Roland, W.G. Schmidt, Q. Zhao, in: Computer Simulation of Materials at Atomic Level, physica status solidi (b), 2000, pp. 685–701.
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J. Bernholc, E.L. Briggs, C. Bungaro, M. Buongiorno Nardelli, J.-L. Fattebert, K. Rapcewicz, C. Roland, W.G. Schmidt, Q. Zhao, in: Computer Simulation of Materials at Atomic Level, physica status solidi (b), 2000, pp. 685–701.
1999 | Journal Article | LibreCat-ID: 13764
Ab initio calculation of linear and nonlinear optical properties of semiconductor structures
F. Bechstedt, B. Adolph, W.G. Schmidt, Brazilian Journal of Physics 29 (1999).
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F. Bechstedt, B. Adolph, W.G. Schmidt, Brazilian Journal of Physics 29 (1999).
1999 | Journal Article | LibreCat-ID: 13765
SELF-ENERGY EFFECTS IN THE OPTICAL ANISOTROPY OF GaP(001)
W.G. Schmidt, J.L. FATTEBERT, J. BERNHOLC, F. BECHSTEDT, Surface Review and Letters 6 (1999) 1159–1165.
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W.G. Schmidt, J.L. FATTEBERT, J. BERNHOLC, F. BECHSTEDT, Surface Review and Letters 6 (1999) 1159–1165.
1999 | Journal Article | LibreCat-ID: 13766
Theoretical Aspects of the Optical Response of Semiconductor Surfaces
F. Bechstedt, O. Pulci, W.G. Schmidt, Physica Status Solidi (A) 175 (1999) 5–16.
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F. Bechstedt, O. Pulci, W.G. Schmidt, Physica Status Solidi (A) 175 (1999) 5–16.
1999 | Journal Article | LibreCat-ID: 13767
GaP(001) and InP(001): Reflectance anisotropy and surface geometry
N. Esser, W.G. Schmidt, J. Bernholc, A.M. Frisch, P. Vogt, M. Zorn, M. Pristovsek, W. Richter, F. Bechstedt, T. Hannappel, S. Visbeck, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 17 (1999).
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N. Esser, W.G. Schmidt, J. Bernholc, A.M. Frisch, P. Vogt, M. Zorn, M. Pristovsek, W. Richter, F. Bechstedt, T. Hannappel, S. Visbeck, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 17 (1999).
1999 | Journal Article | LibreCat-ID: 13768
(2×4)GaP(001) surface: Atomic structure and optical anisotropy
A.M. Frisch, W.G. Schmidt, J. Bernholc, M. Pristovsek, N. Esser, W. Richter, Physical Review B 60 (1999) 2488–2494.
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A.M. Frisch, W.G. Schmidt, J. Bernholc, M. Pristovsek, N. Esser, W. Richter, Physical Review B 60 (1999) 2488–2494.
1999 | Journal Article | LibreCat-ID: 13769
Structural fingerprints in the reflectance anisotropy spectra ofInP(001)(2×4)surfaces
W.G. Schmidt, E.L. Briggs, J. Bernholc, F. Bechstedt, Physical Review B 59 (1999) 2234–2239.
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W.G. Schmidt, E.L. Briggs, J. Bernholc, F. Bechstedt, Physical Review B 59 (1999) 2234–2239.
1998 | Journal Article | LibreCat-ID: 13771
Reflectance Anisotropy of GaAs(100): Theory and Experiment
A.I. Shkrebtii, N. Esser, W. Richter, W.G. Schmidt, F. Bechstedt, B.O. Fimland, A. Kley, R. Del Sole, Physical Review Letters 81 (1998) 721–724.
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A.I. Shkrebtii, N. Esser, W. Richter, W.G. Schmidt, F. Bechstedt, B.O. Fimland, A. Kley, R. Del Sole, Physical Review Letters 81 (1998) 721–724.
1998 | Journal Article | LibreCat-ID: 13772
Geometry and electronic structure of InP(001)(2×4) reconstructions
W.G. Schmidt, F. Bechstedt, Surface Science 409 (1998) 474–484.
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W.G. Schmidt, F. Bechstedt, Surface Science 409 (1998) 474–484.
1998 | Journal Article | LibreCat-ID: 13773
Atomic structure of InP(001)-(2×4): A dimer reconstruction
W.G. Schmidt, F. Bechstedt, N. Esser, M. Pristovsek, C. Schultz, W. Richter, Physical Review B 57 (1998) 14596–14599.
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W.G. Schmidt, F. Bechstedt, N. Esser, M. Pristovsek, C. Schultz, W. Richter, Physical Review B 57 (1998) 14596–14599.
1998 | Journal Article | LibreCat-ID: 13774
In-induced (4 × 2) reconstructions of GaAs(001) surfaces
W.G. Schmidt, P. Käckell, F. Bechstedt, Applied Surface Science 123–124 (1998) 136–140.
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W.G. Schmidt, P. Käckell, F. Bechstedt, Applied Surface Science 123–124 (1998) 136–140.
1997 | Journal Article | LibreCat-ID: 13859
A High Resolution Investigation of the Anisotropic Electron-Positron Momentum Distribution in Diamond
R.W.N. Nilen, S.H. Connell, D.T. Britton, C.G. Fischer, E.J. Sendezera, W.G. Schmidt, J.P.F. Sellschop, W.S. Verwoerd, Materials Science Forum 255–257 (1997) 475–478.
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R.W.N. Nilen, S.H. Connell, D.T. Britton, C.G. Fischer, E.J. Sendezera, W.G. Schmidt, J.P.F. Sellschop, W.S. Verwoerd, Materials Science Forum 255–257 (1997) 475–478.
1997 | Journal Article | LibreCat-ID: 13775
(4×2) and (2×4) reconstructions of GaAs and InP(001) surfaces
W.G. Schmidt, Applied Physics A: Materials Science & Processing 65 (1997) 581–586.
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W.G. Schmidt, Applied Physics A: Materials Science & Processing 65 (1997) 581–586.
1997 | Journal Article | LibreCat-ID: 13776
The anisotropic electron - positron momentum distribution in diamond
R.W.N. Nilen, S.H. Connell, D.T. Britton, C.G. Fischer, E.J. Sendezera, P. Schaaff, W.G. Schmidt, J.P.F. Sellschop, W.S. Verwoerd, Journal of Physics: Condensed Matter 9 (1997) 6323–6333.
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R.W.N. Nilen, S.H. Connell, D.T. Britton, C.G. Fischer, E.J. Sendezera, P. Schaaff, W.G. Schmidt, J.P.F. Sellschop, W.S. Verwoerd, Journal of Physics: Condensed Matter 9 (1997) 6323–6333.
1997 | Journal Article | LibreCat-ID: 13777
As on InP(110) studied within density-functional theory
U. Grossner, W.G. Schmidt, F. Bechstedt, Physical Review B 56 (1997) 6719–6726.
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U. Grossner, W.G. Schmidt, F. Bechstedt, Physical Review B 56 (1997) 6719–6726.
1997 | Journal Article | LibreCat-ID: 13778
Chemisorption of arsenic on InP(110)
U. Großner, W.G. Schmidt, F. Bechstedt, P.V. Santos, B. Koopmans, N. Esser, Surface Science 377–379 (1997) 619–622.
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U. Großner, W.G. Schmidt, F. Bechstedt, P.V. Santos, B. Koopmans, N. Esser, Surface Science 377–379 (1997) 619–622.
1997 | Journal Article | LibreCat-ID: 13779
Comparison of As-rich and Sb-terminated GaAs(100)(2 × 4) reconstructions
W.G. Schmidt, F. Bechstedt, Surface Science 377–379 (1997) 11–14.
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W.G. Schmidt, F. Bechstedt, Surface Science 377–379 (1997) 11–14.
1997 | Journal Article | LibreCat-ID: 13780
Antimony-stabilized GaAs(001)(2×4) reconstructions
W.G. Schmidt, F. Bechstedt, Physical Review B 55 (1997) 13051–13057.
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W.G. Schmidt, F. Bechstedt, Physical Review B 55 (1997) 13051–13057.
1997 | Journal Article | LibreCat-ID: 13781
Electron-positron momentum density distribution in diamond
R.W.N. Nilen, S.H. Connell, W.G. Schmidt, D.T. Britton, W.S. Verwoerd, J.P.F. Sellschop, S. Shrivastava, Applied Surface Science 116 (1997) 330–334.
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| DOI
R.W.N. Nilen, S.H. Connell, W.G. Schmidt, D.T. Britton, W.S. Verwoerd, J.P.F. Sellschop, S. Shrivastava, Applied Surface Science 116 (1997) 330–334.
1996 | Journal Article | LibreCat-ID: 13782
Atomic Structure of the Sb-Stabilized GaAs(100)-(2×4) Surface
N. Esser, A.I. Shkrebtii, U. Resch-Esser, C. Springer, W. Richter, W.G. Schmidt, F. Bechstedt, R. Del Sole, Physical Review Letters 77 (1996) 4402–4405.
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N. Esser, A.I. Shkrebtii, U. Resch-Esser, C. Springer, W. Richter, W.G. Schmidt, F. Bechstedt, R. Del Sole, Physical Review Letters 77 (1996) 4402–4405.
1996 | Journal Article | LibreCat-ID: 13783
Geometry and electronic structure of GaAs(001)(2×4) reconstructions
W.G. Schmidt, F. Bechstedt, Physical Review B 54 (1996) 16742–16748.
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W.G. Schmidt, F. Bechstedt, Physical Review B 54 (1996) 16742–16748.
1996 | Journal Article | LibreCat-ID: 13784
Optical Properties of Ordered As Layers on InP(110) Surfaces
P.V. Santos, B. Koopmans, N. Esser, W.G. Schmidt, F. Bechstedt, Physical Review Letters 77 (1996) 759–762.
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P.V. Santos, B. Koopmans, N. Esser, W.G. Schmidt, F. Bechstedt, Physical Review Letters 77 (1996) 759–762.
1996 | Journal Article | LibreCat-ID: 13785
Atomic structures of GaAs(100)-(2 × 4) reconstructions
W.G. Schmidt, F. Bechstedt, Surface Science 360 (1996) L473–L477.
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W.G. Schmidt, F. Bechstedt, Surface Science 360 (1996) L473–L477.
1996 | Journal Article | LibreCat-ID: 13786
Adatoms and vacancies on the diamond(111) surface
F. Bechstedt, W.G. Schmidt, A. Scholze, Europhysics Letters (EPL) 35 (1996) 585–590.
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F. Bechstedt, W.G. Schmidt, A. Scholze, Europhysics Letters (EPL) 35 (1996) 585–590.
1996 | Journal Article | LibreCat-ID: 13787
Adsorption of group-V elements on III–V (1 1 0) surfaces
W. Schmidt, Surface Science Reports 25 (1996) 141–223.
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W. Schmidt, Surface Science Reports 25 (1996) 141–223.
1996 | Journal Article | LibreCat-ID: 13788
Annihilation of delocalized positrons: a comparison of diamond and silicon
W.G. Schmidt, W.. Verwoerd, Physics Letters A 222 (1996) 275–280.
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W.G. Schmidt, W.. Verwoerd, Physics Letters A 222 (1996) 275–280.
1996 | Journal Article | LibreCat-ID: 13789
Structure of the diamond (111) surface: Single-dangling-bond versus triple-dangling-bond face
A. Scholze, W.G. Schmidt, F. Bechstedt, Physical Review B 53 (1996) 13725–13733.
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A. Scholze, W.G. Schmidt, F. Bechstedt, Physical Review B 53 (1996) 13725–13733.
1996 | Journal Article | LibreCat-ID: 13790
3d core-level shifts at
W.G. Schmidt, P. Käckell, F. Bechstedt, Surface Science 357–358 (1996) 545–549.
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W.G. Schmidt, P. Käckell, F. Bechstedt, Surface Science 357–358 (1996) 545–549.
1996 | Journal Article | LibreCat-ID: 13791
Diamond (111) and (100) surface reconstructions
A. Scholze, W.G. Schmidt, F. Bechstedt, Thin Solid Films 281–282 (1996) 256–259.
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A. Scholze, W.G. Schmidt, F. Bechstedt, Thin Solid Films 281–282 (1996) 256–259.
1996 | Journal Article | LibreCat-ID: 13792
Phonons at III–V (110) surfaces
W.G. Schmidt, F. Bechstedt, G.P. Srivastava, Surface Science 352–354 (1996) 83–88.
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W.G. Schmidt, F. Bechstedt, G.P. Srivastava, Surface Science 352–354 (1996) 83–88.
1996 | Journal Article | LibreCat-ID: 13793
Dimerized, buckled, or ideal chains on the diamond (111)2 × 1 surface?
W.G. Schmidt, A. Scholze, F. Bechstedt, Surface Science 351 (1996) 183–188.
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W.G. Schmidt, A. Scholze, F. Bechstedt, Surface Science 351 (1996) 183–188.