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Postergallery
Poster presentations:       2009   2008   2008   2007   2006   2005   2004   2003   2002   2001  
2000   1999  


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2009:

    81. Monitoring Organic Thin Film Growth and its Water Content With Combined Quartz Crystal Microbalance and Ellipsometry
A. Sarkar, A. Kjerstad, T. Hofmann, B. Laderian, T. Viitala, T. E.Tiwald, J. A. Woollam, and M. Schubert
5th Workshop Ellipsometry, March (2009) [View PDF (1.6 MB)]


    80. Monoclinic Optical Properties of Slanted Columnar Thin Films
D. Schmidt, B. Booso, T. Hofmann, A. Sarangan, E. Schubert, and M. Schubert
5th Workshop Ellipsometry, March (2009) [View PDF (1.0 MB)]


    79. THz Ellipsometry Materials Characterization
T. Hofmann, C.M. Herzinger, and M. Schubert
5th Workshop Ellipsometry, March (2009) [View PDF (232 kB)]


    78. IR to UV ellipsometric characterization of silicon nitride thin films on textured Si wafers
M. F. Saenger, M. Schädel, T. Hofmann, J. Hilfiker, J. Sun, T. E. Tiwald, M. Schubert, and J. A. Woollam
5th Workshop Ellipsometry, March (2009) [View PDF (805 kB)]


    77. Collective Magnetic Properties of GLAD Cobalt Needles and Nanocoils
A. C. Kjerstad, D. Schmidt, T. Hofmann, R. Skomski, M. Schubert, and E. Schubert
5th Workshop Ellipsometry, March (2009) [View PDF (614 kB)]


    76. Wurtzite-Perovskite-Wurtzite (ZnO-BaTiO3-ZnO) Interface Polarization Hysteresis Model
V. M. Voora, T. Hofmann, M. Schubert, M. Brandt, M. Lorenz, and M. Grundmann
Graduate Student Poster Session, April (2009) [View PDF (328 kB)]


    75. Hybridized Nanostructures
E. Montgomery, D. Schmidt, E. Schubert, and M. Schubert
E-Week, April (2009) [View PDF (718 kB)]


    74. Characterizing AntiReflection Coatings on Textured Mono-Crystalline Silicon with Spectroscopic Ellipsometry
J. Sun, M. F. Saenger, M. Schubert, J. N. Hilfiker, R. Synowicki, C. M. Herzinger, and J. A. Woollam
34th IEEE Photovoltaic Specialists Conference, June (2009) [View PDF (782 kB)]


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2008:

    73. THz resonances in chiral aluminum nanowires
T. Hofmann, D. Schmidt, M. Schubert, and E. Schubert
2008 MRS Spring Meeting, March (2008) [View PDF (575 kB)]


    72. Ferroelectric thin film field-effect transistors based on ZnO/BaTiO3 heterostructures
M. Brandt, H. Frenzel, H. Hochmuth, M. Lorenz, M. Schubert, and M. Grundmann
5th International Workshop on ZnO and related materials, September (2008) [View PDF (308 kB)]


    71. Poster Award Winner
THz Resonances in Chiral Aluminum Nanowires

D. Schmidt, T. Hofmann, M. Schubert, and E. Schubert
E-Week Graduate Poster Session, April 25 (2008) [View PDF (604 kB)]


    70. Magnetic birefringence and bandgap anisotropy in Zn1-xMnxSe at RT
M. F. Saenger, J. C. Furdyna, M. Hetterich, D. J. Sellmyer, R. D. Kirby, T. Hofmann,, and M. Schubert
E-Week Graduate Poster Session, April 25 (2008)


    69. Electrooptic ellipsometry study of spontaneous polarization coupling in piezoelectric ZnO-BaTiO3 heterostructures.
V. Voora, T. Hofmann, M. Schubert, M. Brandt, M. Lorenz, and M. Grundmann
E-Week Graduate Poster Session, April 25 (2008) [View PDF (494 kB)]


    68. Wurtzite-Perovskite (ZnO-BaTiO3) interface polarization hysteresis model
V. M. Voora, T. Hofmann, M. Schubert, M. Brandt, M. Lorenz, and M. Grundmann
The 5th International Workshop on ZnO and Related Materials, September (2008) [View PDF (950 kB)]


    67. Magnetooptic birefringence and bandgap anisotropy in Zn1-xMnxSe at room temperature
M. F. Saenger, X. Liu, J. C. Furdyna, M. Hetterich, D. J. Sellmyer, R. D. Kirby, R. Skomski, T. Hofmann, and M. Schubert
MRS Fall Meeting, December (2008) [View PDF (759 kB)]


    66. Magnetooptic birefringence and bandgap anisotropy in ZnMnSe at Room Temperature
M. F. Saenger, X. Liu, J. C. Furdyna, M. Hetterich, D. J. Sellmyer, R. D. Kirby, R. Skomski, T. Hofmann, and M. Schubert
53rd Annual Conference on Magnetism and Magnetic Materials, November (2008) [View PDF (763 kB)]


    65. Monitoring Organic Thin Film Growth in-situ with Combined Quartz Crystal Microbalance and Ellipsometry
A. Sarkar, A. Kjerstad, T. Hofmann, B. Laderian, T. Viitala, T. E.Tiwald, J. A. Woollam, and M. Schubert
MRS Fall Meeting, December (2008) [View PDF (849 kB)]


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2007:

    64. Electrooptic ellipsometry study of spontaneous polarization coupling in piezoelectric ZnO-BaTiO3 heterostructures
V. M. Voora, T. Hofmann, M. Schubert, M. Brandt, M. Lorenz, and M. Grundmann
4th International Conference on Spectroscopic Ellipsometry, June (2007) [View PDF (586 kB)]


    63. ICSE4 Poster Award Winner
The optical-Hall effect

T. Hofmann, and M.Schubert
4th International Conference on Spectroscopic Ellipsometry, June (2007) [View PDF (554 kB)]


    62. Terahertz to UV Generalized Magnetooptic ellipsometry on ZnMnSe: Giant Kerr effect, band-to-band transitions, and charge transport parameters
M. F. Saenger, B. Daniel, M. Hetterich, T. Hofmann, and M. Schubert
4th International Conference on Spectroscopic Ellipsometry, June (2007) [View PDF (267 kB)]


    61. Surface electron accumulation and effective mass anisotropy in wurtzite structure InN
T. Hofmann, H. Lu, W.J. Schaff, V. Darakchieva, and M. Schubert
4th International Conference on Spectroscopic Ellipsometry, June (2007) [View PDF (468 kB)]


    60. Terahertz ellipsometry using electron-beam based sources
T. Hofmann, M. Schubert, U. Schade, M. Mross, and T. Iowell
4th International Conference on Spectroscopic Ellipsometry, June (2007) [View PDF (386 kB)]


    59. Anomalous temperature-dependence of the free-charge-carrier concentration in modulation-doped AlGaAs/GaAs quantum well superlattices studied by fir magnetooptic generalized ellipsometry
T. Hofmann, C. von Middendorff, and M. Schubert
4th International Conference on Spectroscopic Ellipsometry, June (2007) [View PDF (236 kB)]


    58. Polarization coupled response of ZnO-BaTiO3 heterojunctions: A model approach
V. M. Voora, T. Hofmann, M. Brandt, M. Schubert, M. Lorenz, and M. Grundmann
71. German Physical Society Spring Meeting, March (2007) [View PDF (586 kB)]


    57. Poster Award Winner
Temperature dependent dielectric function of Al0.51In0.49P and Ga0.51In0.49P

E. Montgomery, T. Hofmann, and M. Schubert
54th Midwest Solid State Conference, October (2007) [View PDF (3.2 MB)]


    56. Dielectric and magnetic birefringence in Zn1-xMnxSe
M. F. Saenger, D. J. Sellmyer, R. D. Kirby, T. Hofmann, and M. Schubert
54th Midwest Solid State Conference, October (2007) [View PDF (636 kB)]


    55. Polaron-phonon interaction in charge intercalated tungsten oxide thin films
M. F. Saenger, T. Höing, T. Hofmann, and M. Schubert
4th International Conference on Spectroscopic Ellipsometry, June (2007) [View PDF (344 kB)]


    54. Angle-resolved Generalized Ellipsometry: Form-birefringent chiral and non-chiral silicon sculptured thin films
D. Schmidt, E. Schubert, and M. Schubert
4th International Conference on Spectroscopic Ellipsometry, June (2007) [View PDF (1.3 MB)]


    53. Generalized Mueller matrix Ellipsometry of 3-D spherical photonic bandgap structures
H. Wang, D. Schmidt, M. Saenger, M. Schubert, and Y.F. Lu
4th International Conference on Spectroscopic Ellipsometry, June (2007) [View PDF (1.1 MB)]


    52. Polaron and phonon properties in WO3 thin films
M. F. Saenger, T. Höing, T. Hofmann, and M. Schubert
71. German Physical Society Spring Meeting, March (2007) [View PDF (373 kB)]


    51. Comparison of giant Faraday effects in ZnMnSe and ZnMnO studied by magneto-optic ellipsometry
M. F. Saenger, L. Hartmann, H. Schmidt, M. Hetterich, M. Lorenz, H. Hochmuth, M. Grundmann, T. Hofmann, and and M. Schubert
71. German Physical Society Spring Meeting, March (2007)


    50. Phonon and polaron properties of charge intercalated WO3
M. F. Saenger, T. Höing, T. Hofmann, and M. Schubert
International Workshop on Synthesis of Functional Oxide Materials, August (2007) [View PDF (329 kB)]


    49. Electrooptic ellipsometry study of spontaneous polarization coupling in piezoelectric ZnO-BaTiO3 heterostructures
V. Voora, T. Hofmann, M. Schubert, M. Brandt, M. Lorenz, and M. Grundmann
International Workshop on Synthesis of Functional Oxide Materials, August (2007) [View PDF (217 kB)]


    48. Optical and structural properties of NiO and NiMnO thin films grown on ZnO and sapphire substrates
L. Hartmann, Q. Xu, H. Schmidt, H. Hochmuth, M. Lorenz, M. Grundmann, P. Esquinazi, M. F. Saenger, T. Hofmann, M. Schubert, and S. Liou
71. German Physical Society Spring Meeting, March (2007)


    47. Bulk and Surface Electron-Induced Infrared Magnetooptic Response in InN: Evidence for a New Defect-Related Doping Mechanism
T. Hofmann, H. Lu, W. J. Schaff, V. Darakchieva, and M. Schubert
7th Int'l Conference of Nitride Semiconductors, September (2007) [View PDF (547 kB)]


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2006:

    46. Exchange polarization coupling in wurtzite-perovskite oxide interfaces: New concepts for electronic device heterostructures
V. M. Voora, N. Ashkenov, T. Hofmann, H. Hochmuth, M. Lorenz, M. Grundmann, and M. Schubert
German Physical Society Spring Meeting, March (2006) [View PDF (247 kB)]


    45. Anisotropy of the Gamma-point electron effective mass in hexagonal InN
T. Chavdarov, T. Hofmann, V. Darakchieva, H. Lu, W.J. Schaff, and M. Schubert
German Physical Society Spring Meeting, March (2006)


    44. Optical properties of colored tungsten oxide sputtered thin films
M. F. Saenger, T. Hofmann, T. Höing, and M. Schubert
4th Ellipsometry Workshop, February (2006)


    43. Anisotropy of the Gamma-point electron effective mass in hexagonal InN
T. Hofmann, V. Darakchieva, H. Lu, B. Monemar, W.J. Schaff, and M. Schubert
28th International Conference on the Physics of Semiconductors, July 24-28 (2006)


    42. Anisotropy of the Gamma-point ellecttrron efective mass in hexagonal InN
T. Hofmann, V. Darakchieva, B. Monemar, T. Chavdarov, H. Lu, W. J. Schaff, and M. Schubert
ICPS, July (2006) [View PDF (422 kB)]


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2005:

    41. Phonons in doped ZnO and ZnO based thin films grown by PLD on sapphire
C. Bundesmann, M. Schubert, D. Spemann, H. v. Wenckstern, M. Lorenz, and M. Grundmann
G/PII.25 E-MRS 2005 Spring Meeting, May/June (2005) [View PDF (701 kB)]


    40. Exchange polarization coupling in wurtzite-perovskite interfaces: New concepts for electronic device heterostructures
A. Ashkenov, M. Schubert, H. v. Wenckstern, H. Hochmuth, M. Lorenz, and M. Grundmann
German Physical Society Spring Meeting, March (2005) [View PDF (959 kB)]


    39. Anomalous temperature-dependence of free-charge-carrier concentration in modulation-doped AlxGa1-xAs/GaAs quantum well superlattices studied by far-infrared magnetooptic Mueller-matrix ellipsometry
T. Hofmann, C. v. Middendorff, G. Leibiger, and M. Schubert
69. German Physical Society Spring Meeting, March (2005) [View PDF (2.0 MB)]


    38. Brechungsindex von kubischem MgxZn1-xO
Anke Carstens, R. Schmidt-Grund, B. Rheinländer, M. Schubert, H. Hochmuth, M. Lorenz, C.M. Herzinger, and M. Grundmann
69. German Physical Society Spring Meeting, March (2005)


    37. Phonon and free-charge-carrier properties in ZnMnSe
T. Hofmann, B. Daniel, Kapil Chandra Agarwal, M. Hetterich, and M. Schubert
69. German Physical Society Spring Meeting, March (2005) [View PDF (4.1 MB)]


    36. Long-wavelength bound and unbound charge excitations in doped ZnO and ZnO based alloy thin films
C. Bundesmann, M. Schubert, D. Spemann, H. v. Wenckstern, H. Hochmuth, E. M. Kaidashev, M. Lorenz, and and M. Grundmann
69. German Physical Society Spring Meeting, March (2005)


    35. Optical phonons and infrared dielectric functions of hexagonal and cubic MgZnO thin films
C. Bundesmann, M. Schubert, A. Rahm, D. Spemann, H. Hochmuth, E. M. Kaidashev, M. Lorenz, and M. Grundmann
69. German Physical Society Spring Meeting, March (2005)


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2004:

    34. Strong increase of the electron effective mass in GaAs incorporating boron and indium
T. Hofmann, C. Middendorf, G. Leibiger, V. Gottschalch, and M. Schubert
German Physical Society Spring Meeting, March (2004) [View PDF (1.2 MB)]


    33. CuInSe2 flexible solar cell surface-heat-emittance optimization for infrared radiation
C. Bundesmann, F. Dürr, M. Schubert, and K. Otte
German Physical Society Spring Meeting, March (2004) [View PDF (1.7 MB)]


    32. Infrared and VIS/UV optical properties of GaN/AlN superlattices grown on Si substrates
A. Kasic, B. Monemar, M. Schubert, A. Dadgar, F. Schulze, and A. Krost
German Physical Society Spring Meeting, March (2004) [View PDF (421 kB)]


    31. Characterization of crack-free and relaxed bulk-like GaN growth on 2" sapphire
A. Kasic, D. Gogova, H. Larsson, C. Hemmingsson, I. Ivanov, B. Monemar, C. Bundesmann, M. Schubert, and M. Heuken
German Physical Society Spring Meeting, March (2004) [View PDF (1.4 MB)]


    30. Combined In-situ Raman scattering spectroscopy and in-situ ellipsometry monitoring of CuInSe2-based photoabsorber layers on polyimide substrates
C. Bundesmann, M. Schubert, N. Ashkenov, and M. Grundmann
27th International Conference on the Physics of Semiconductors, July (2004) [View PDF (1.1 MB)]


    29. HVPE-grown free-standing GaN of high structural and optical quality
A. Kasic, D. Gogova, H. Larsson, C. Hemmingsson, I. Ivanov, B. Monemar, F. Tuomisto, K. Saarinen, B. Petz, L. Dobos, C. Bundesmann, M. Schubert, C. R. Miskys, M. Stutzmann, and M. Heuken
ISBLLED-2004 Gyeongju, March (2004) [View PDF (262 kB)]


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2003:

    28. Hydrogen implantation in InGaNAs studied by spectroscopic ellipsometry
G. Leibiger, V. Gottschalch, N. Razek, and M. Schubert
3. International Conference on Spectroscopic Ellipsometry, July (2003) [View PDF (1.2 MB)]


    27. Far-infrared dielectric fucntion and phonon modes of spontaneously ordered (AlxGa1-x)0.52In0.48P
T. Hofmann, M. Schubert, and V. Gottschalch
3. International Conference on Spectroscopic Ellipsometry, July (2003) [View PDF (981 kB)]


    26. Infrared to vacuum ultraviolet optical properties of 3C, 4H and 6H silicon carbide measured by spectroscopic ellipsometry
O. P. A. Lindquist, M. Schubert, H. Arwin, and K. Järrendahl
3. International Conference on Spectroscopic Ellipsometry, July (2003) [View PDF (483 kB)]


    25. High temperature optical constants and band gap energies of ZnO
N. Ashkenov, C. Bundesmann, R. Schmidt-Grund, M. Schubert, M. Lorenz, H. Hochmut, and M. Grundmann
3. International Conference on Spectroscopic Ellipsometry, July (2003) [View PDF (1.0 MB)]


    24. Infrared ellipsometry - a novel characterization method for group-III nitride device heterostructures
A. Kasic, M. Schubert, and B. Monemar
3. International Conference on Spectroscopic Ellipsometry, July (2003) [View PDF (575 kB)]


    23. Infrared dielectric functions and crystal orientation of a-plane ZnO thin films on r-plane sapphire determined by generalized ellipsometry
C. Bundesmann, N. Ashkenov, M. Schubert, A. Rahm, H. v. Wenckstern, E. M. Kaidashev, M. Lorenz, and M. Grundmann
3. International Conference on Spectroscopic Ellipsometry, July (2003) [View PDF (1.0 MB)]


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2002:

    22. Dielektrische Funktion im Bereich der Absorptionskante von ZnO und ZnO-MgO- und ZnO-GaO-Mischkristallen untersucht mittels spektroskopischer Ellipsometrie
R. Schmidt, C. Bundesmann, E.M. Kaidashev, B.Rheinländer, M.Lorenz, H. v. Wenkstern, A. Kasic, M.Schubert, and M.Grundmann
German Physical Society Spring Meeting, March (2002) [View PDF (625 kB)]


    21. Properties of pulsed-laser-deposited Zn1-x(Al Ga and Mg and Cd)xO compound thin films
C. Bundesmann, N. Ashkenov, A. Kasic, V. Riede, M. Schubert, E. M. Kaidashev, M. Lorenz, R. Schmidt, B. Rheinländer, J. Lenzner, H. v. Wenckstern, and M. Grundmann
German Physical Society Spring Meeting, March (2002) [View PDF (752 kB)]


    20. Kritische Punkte und Phononen in BxGa1-xAs und GaNyAs1-y: Ein Vergleich
G. Leibiger, V. Gottschalch, M. Schubert, and V. Riede
German Physical Society Spring Meeting, March (2002) [View PDF (282 kB)]


    19. Infrarot-dielektrische Funktion und Phononenmoden in spontan geordnetem (AlxGa1-x)0.52In0.48P
T. Hofmann, V. Gottschalch, and M. Schubert
German Physical Society Spring Meeting, March (2002) [View PDF (628 kB)]


    18. Optical phonons in AlxInyGa1-x-yN films
A. Kasic, M. Schubert, S. Einfeldt, D. Hommel, J. Off, F. Scholz, A. P. Lima, O. Ambacher, and M. Stutzmann
International Workshop on Nitride Semiconductors (IWN 2002), July (2002) [View PDF (449 kB)]


    17. Far infrared dielectric function and and phonon modes of spontaneously ordered AlGaInP
T. Hofmann, V. Gottschalch, and M. Schubert
Materials Research Society Fall Meeting, Dezember (2002) [View PDF (1.2 MB)]


    16. Far infrared magneto-optical generalized ellipsometry determination of free carrier parameters in semiconductor thin film structures
T. Hofmann, C. M. Herzinger, and M. Schubert
Materials Research Society Fall Meeting, Dezember (2002) [View PDF (2.5 MB)]


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2001:

    15. Ellipsometrie und optische Konstanten von SiNx und SiOy für Bragg-Reflektoren
R.Schmidt, D.Pudis, B.Rheinländer , V.Riede, S.Hardt, V.Gottschalch, and J.Kvietková
German Physical Society Spring Meeting, March (2001) [View PDF (444 kB)]


    14. Ellipsometrische Untersuchungen von Gitterschwingungen und Bandlückenenergien kubischer AlxGa1-xN-Filme
A. Kasic, M. Schubert, and D. J. As
German Physical Society Spring Meeting, March (2001) [View PDF (584 kB)]


    13. Untersuchung der Phononeneigenschaften von hochgradig ungeordnetem (AlxGa1-x) 0.52In0.48P (0 .. x .. 1) mittels Ferninfrarot Spektralellipsometrie und Ramanspektroskopie
T. Hofmann, M. Schubert, G. Leibiger, and V. Gottschalch
German Physical Society Spring Meeting, March (2001) [View PDF (640 kB)]


    12. Optische Konstanten, Phononen-Eigenschaften und Zusammensetzung von InGaAsN Einzelschichten
G. Leibiger, M. Schubert, and V. Gottschalch
German Physical Society Spring Meeting, March (2001) [View PDF (910 kB)]


    11. All-solid state electrochromic multiplayer systems for surface heat radiation control
E. Franke, M. Schubert, C. L. Trimble, and J. A. Woollam
Spring European MRS-Meeting, June (2001) [View PDF (247 kB)]


    10. Optical properties of GaNP
G. Leibiger, V. Gottschalch, G. Benndorf, R. Schwabe, and M. Schubert
4. Int. Conf. on Nitride Semiconductor Research, July (2001) [View PDF (910 kB)]


    9. Composition determination of InGaAsN using x-ray diffraction and far-infrared ellipsometry
G. Leibiger, V. Gottschalch, and M. Schubert
4. Int. Conf. on Nitride Semiconductor Research, July (2001) [View PDF (625 kB)]


    8. Characterization of III-Nitride optoelectronic-device heterostructures using infrared ellipsometry
M. Schubert, and A. Kasic
1. Int.Conference on Advanced Vibrational Spectroscopy, August (2001) [View PDF (129 kB)]


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2000:

    7. Bestimmung von freien Ladungsträger-Parametern und Phononen-Eigenschaften dünner a-GaN-Filme mittels IR-Ellipsometrie
A. Kasic, M. Schubert, S. Einfeldt, D. Hommel, B. Kuhn, J. Off, and F. Scholz
German Physical Society Spring Meeting, March (2000) [View PDF (2.3 MB)]


    6. Infrarot-optische Eigenschaften von (Ga,In)n/(P,As)m Übergitterstrukturen
T. Hofmann, M. Schubert, B. Rheinländer, and V. Gottschalch
German Physical Society Spring Meeting, March (2000)


    5. Optical properties of GaAsN single layers and GaAsN/InAs/GaAs superlattices studied by spectroscopic ellipsometry
G. Leibiger, V. Gottschalch, B. Rheinländer, A. Kasic, J. Sik, and M. Schubert
MRS 2000 Fall Meeting, November/December (2000) [View PDF (1.6 MB)]


    4. MRS Poster Award Winner
IR-VUV dielectric function of Al1-xInxN determined by spectroscopic ellipsometry

A. Kasic, M. Schubert B. Rheinländer, J. Off, F. Scholz, and C. M. Herzinger
MRS 2000 Fall Meeting, November/December (2000) [View PDF (936 kB)]


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1999:

    3. Cross-polarized reflectance difference spectroscopy on CuPt ordered AlxGa1-xInP2
T. Hofmann, M. Schubert, B. Rheinländer, I. Pietzonka, and V. Gottschalch
German Physical Society Spring Meeting, March (1999) [View PDF (296 kB)]


    2. Optical constants of nearly disordered AlxGa1-xInP2
G. Leibiger, M. Schubert, B. Rheinländer, I. Pietzonka, and V. Gottschalch
German Physical Society Spring Meeting, March (1999) [View PDF (160 kB)]


    1. Lattice modes and free-carrier response of AlxGa1-xN and InxGa1-xN heterostructures measured by infrared ellipsometry
M. Schubert, T. E. Tiwald, J.A. Woollam, A. Kasic, J. Off, B. Kuhn, and F. Scholz
MRS Fall Meeting, December (1999) [View PDF (447 kB)]


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generated using Sembib V0.1 © T. Hofmann (2003) last database entry from 2009-11-05