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Journal Articles

Phase diagrams for organic/metal interfaces: Significance of configurational and vibrational energies

Open Access
Christoph Wachter, Anna Werkovits, Oliver T. Hofmann
Journal: The Journal of Chemical Physics
J. Chem. Phys. 162, 204705 (2025)
https://doi.org/10.1063/5.0252855
Published: May 2025
View articletitled, Phase diagrams for organic/metal interfaces: Significance of configurational and vibrational energies
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Journal Articles

Note: Reproducibility of potential energy surfaces of organic/metal interfaces on the example of PTCDA on Ag(111)

Open Access
Lukas Hörmann, Andreas Jeindl, Oliver T. Hofmann
Journal: The Journal of Chemical Physics
J. Chem. Phys. 156, 206101 (2022)
https://doi.org/10.1063/5.0094163
Published: May 2022
View articletitled, Note: Reproducibility of potential energy surfaces of organic/metal interfaces on the example of PTCDA on Ag(111)
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Journal Articles

A novel electrochemical anodization cell for the synthesis of mesoporous silicon

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N. Gostkowska-Lekner, D. Wallacher, N. Grimm, K. Habicht, T. Hofmann
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 105113 (2020)
https://doi.org/10.1063/5.0008536
Published: October 2020
View articletitled, A novel electrochemical anodization cell for the synthesis of mesoporous silicon
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Journal Articles

Reproducibility of potential energy surfaces of organic/metal interfaces on the example of PTCDA on Ag(111)

Available to Purchase
Lukas Hörmann, Andreas Jeindl, Oliver T. Hofmann
Journal: The Journal of Chemical Physics
J. Chem. Phys. 153, 104701 (2020)
https://doi.org/10.1063/5.0020736
Published: September 2020
View articletitled, Reproducibility of potential energy surfaces of organic/metal interfaces on the example of PTCDA on Ag(111)
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Includes: Supplementary data
Journal Articles

Terahertz optical properties of polymethacrylates after thermal annealing

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Serang Park, Yanzeng Li, Daniel B. Fullager, Marc Lata, Philipp Kühne, Vanya Darakchieva, T. Hofmann
Journal: Journal of Vacuum Science & Technology B
J. Vac. Sci. Technol. B 37, 062924 (2019)
https://doi.org/10.1116/1.5122801
Published: November 2019
View articletitled, Terahertz optical properties of polymethacrylates after thermal annealing
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Journal Articles

Exploring the driving forces behind the structural assembly of biphenylthiolates on Au(111)

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Elisabeth Verwüster, Elisabeth Wruss, Egbert Zojer, Oliver T. Hofmann
Journal: The Journal of Chemical Physics
J. Chem. Phys. 147, 024706 (2017)
https://doi.org/10.1063/1.4991344
Published: July 2017
View articletitled, Exploring the driving forces behind the structural assembly of biphenylthiolates on Au(111)
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Includes: Supplementary data
Journal Articles

Infrared dielectric functions, phonon modes, and free-charge carrier properties of high-Al-content AlxGa1−xN alloys determined by mid infrared spectroscopic ellipsometry and optical Hall effect

Free
S. Schöche, T. Hofmann, D. Nilsson, A. Kakanakova-Georgieva, E. Janzén, P. Kühne, K. Lorenz, M. Schubert, V. Darakchieva
Journal: Journal of Applied Physics
J. Appl. Phys. 121, 205701 (2017)
https://doi.org/10.1063/1.4983765
Published: May 2017
View articletitled, Infrared dielectric functions, phonon modes, and free-charge carrier properties of high-Al-content AlxGa1−xN alloys determined by mid infrared spectroscopic ellipsometry and optical Hall effect
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Journal Articles

Decoupling and ordering of multilayer graphene on C-face 3C-SiC(111)

Open Access
C. Bouhafs, V. Stanishev, A. A. Zakharov, T. Hofmann, P. Kühne, T. Iakimov, R. Yakimova, M. Schubert, V. Darakchieva
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 203102 (2016)
https://doi.org/10.1063/1.4967525
Published: November 2016
View articletitled, Decoupling and ordering of multilayer graphene on C-face 3C-SiC(111)
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Journal Articles

Anisotropic contrast optical microscope

Free
D. Peev, T. Hofmann, N. Kananizadeh, S. Beeram, E. Rodriguez, S. Wimer, K. B. Rodenhausen, C. M. Herzinger, T. Kasputis, E. Pfaunmiller, A. Nguyen, R. Korlacki, A. Pannier, Y. Li, E. Schubert, D. Hage, M. Schubert
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 113701 (2016)
https://doi.org/10.1063/1.4965878
Published: November 2016
View articletitled, Anisotropic contrast optical microscope
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Journal Articles

Influence of hydrogen on the structure and stability of ultra-thin ZnO on metal substrates

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Bjoern Bieniek, Oliver T. Hofmann, Patrick Rinke
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 131602 (2015)
https://doi.org/10.1063/1.4917015
Published: April 2015
View articletitled, Influence of hydrogen on the structure and stability of ultra-thin ZnO on metal substrates
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Includes: Supplementary data
Journal Articles

Invited Article: An integrated mid-infrared, far-infrared, and terahertz optical Hall effect instrument

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P. Kühne, C. M. Herzinger, M. Schubert, J. A. Woollam, T. Hofmann
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 85, 071301 (2014)
https://doi.org/10.1063/1.4889920
Published: July 2014
View articletitled, Invited Article: An integrated mid-infrared, far-infrared, and terahertz optical Hall effect instrument
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Journal Articles

Impact of annealing on the chemical structure and morphology of the thin-film CdTe/ZnO interface

Free
K. Horsley, R. J. Beal, R. G. Wilks, M. Blum, M. Häming, D. A. Hanks, M. G. Weir, T. Hofmann, L. Weinhardt, M. Bär, B. G. Potter, Jr., C. Heske
Journal: Journal of Applied Physics
J. Appl. Phys. 116, 024312 (2014)
https://doi.org/10.1063/1.4890235
Published: July 2014
View articletitled, Impact of annealing on the chemical structure and morphology of the thin-film CdTe/ZnO interface
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Journal Articles

Effect of Mg doping on the structural and free-charge carrier properties of InN films

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M.-Y. Xie, N. Ben Sedrine, S. Schöche, T. Hofmann, M. Schubert, L. Hung, B. Monemar, X. Wang, A. Yoshikawa, K. Wang, T. Araki, Y. Nanishi, V. Darakchieva
Journal: Journal of Applied Physics
J. Appl. Phys. 115, 163504 (2014)
https://doi.org/10.1063/1.4871975
Published: April 2014
View articletitled, Effect of Mg doping on the structural and free-charge carrier properties of InN films
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Journal Articles

Electron effective mass in Al0.72Ga0.28N alloys determined by mid-infrared optical Hall effect

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S. Schöche, P. Kühne, T. Hofmann, M. Schubert, D. Nilsson, A. Kakanakova-Georgieva, E. Janzén, V. Darakchieva
Journal: Applied Physics Letters
Appl. Phys. Lett. 103, 212107 (2013)
https://doi.org/10.1063/1.4833195
Published: November 2013
View articletitled, Electron effective mass in Al0.72Ga0.28N alloys determined by mid-infrared optical Hall effect
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Journal Articles

Large work function reduction by adsorption of a molecule with a negative electron affinity: Pyridine on ZnO $(10\bar{1}0)$ ( 10 1 ¯ )

Open Access
Oliver T. Hofmann, Jan-Christoph Deinert, Yong Xu, Patrick Rinke, Julia Stähler, Martin Wolf, Matthias Scheffler
Journal: The Journal of Chemical Physics
J. Chem. Phys. 139, 174701 (2013)
https://doi.org/10.1063/1.4827017
Published: November 2013
View articletitled, Large work function reduction by adsorption of a molecule with a negative electron affinity: Pyridine on ZnO $(10\bar{1}0)$ ( 10 1 ¯ )
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Journal Articles

Large-area microfocal spectroscopic ellipsometry mapping of thickness and electronic properties of epitaxial graphene on Si- and C-face of 3C-SiC(111)

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V. Darakchieva, A. Boosalis, A. A. Zakharov, T. Hofmann, M. Schubert, T. E. Tiwald, T. Iakimov, R. Vasiliauskas, R. Yakimova
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 213116 (2013)
https://doi.org/10.1063/1.4808379
Published: May 2013
View articletitled, Large-area microfocal spectroscopic ellipsometry mapping of thickness and electronic properties of epitaxial graphene on Si- and C-face of 3C-SiC(111)
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Journal Articles

Infrared dielectric anisotropy and phonon modes of rutile TiO2

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S. Schöche, T. Hofmann, R. Korlacki, T. E. Tiwald, M. Schubert
Journal: Journal of Applied Physics
J. Appl. Phys. 113, 164102 (2013)
https://doi.org/10.1063/1.4802715
Published: April 2013
View articletitled, Infrared dielectric anisotropy and phonon modes of rutile TiO2
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Journal Articles

Infrared to vacuum-ultraviolet ellipsometry and optical Hall-effect study of free-charge carrier parameters in Mg-doped InN

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S. Schöche, T. Hofmann, V. Darakchieva, N. Ben Sedrine, X. Wang, A. Yoshikawa, M. Schubert
Journal: Journal of Applied Physics
J. Appl. Phys. 113, 013502 (2013)
https://doi.org/10.1063/1.4772625
Published: January 2013
View articletitled, Infrared to vacuum-ultraviolet ellipsometry and optical Hall-effect study of free-charge carrier parameters in Mg-doped InN
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Journal Articles

Temperature dependent effective mass in AlGaN/GaN high electron mobility transistor structures

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T. Hofmann, P. Kühne, S. Schöche, Jr-Tai Chen, U. Forsberg, E. Janzén, N. Ben Sedrine, C. M. Herzinger, J. A. Woollam, M. Schubert, V. Darakchieva
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 192102 (2012)
https://doi.org/10.1063/1.4765351
Published: November 2012
View articletitled, Temperature dependent effective mass in AlGaN/GaN high electron mobility transistor structures
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Journal Articles

Visible to vacuum ultraviolet dielectric functions of epitaxial graphene on 3C and 4H SiC polytypes determined by spectroscopic ellipsometry

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A. Boosalis, T. Hofmann, V. Darakchieva, R. Yakimova, M. Schubert
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 011912 (2012)
https://doi.org/10.1063/1.4732159
Published: July 2012
View articletitled, Visible to vacuum ultraviolet dielectric functions of epitaxial graphene on 3C and 4H SiC polytypes determined by spectroscopic ellipsometry
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