Publications - Working Group Oxides & Fluorides


C. Guguschev, D. Klimm, M. Brützam, T.M. Gesing, M. Gogolin, H. Paik, A. Dittmar, V.J. Fratello, D.G. Schlom,
Single crystal growth and characterization of Ba2ScNbO6 – A novel substrate for BaSnO3 films
Journal of Crystal Growth 528 (2019) 125263

Tailoring the scintillation properties of -Ga2O3 by doping with Ce and codoping with Si
Optical Materials Express, Vol. 9, No. 9

Takahiro Nagata, Oliver Bierwagen, Zbigniew Galazka, Shigenori Ueda, Masataka Imura, Yoshiyuki Yamashita, Toyohiro Chikyow
Photoelectron spectroscopic study on electronic state and electrical properties of SnO2 single crystals
Japanese Journal of Applied Physics 58, 080903 (2019)

L. von Helden, L. Bogula, P.-E. Janolin, M. Hanke, T. Breuer, M. Schmidbauer, S. Ganschow, J. Schwarzkopf
Huge impact of compressive strain on phase transition temperatures in epitaxial ferroelectric KxNa1−xNbO3 thin films
Appl. Phys. Lett. 114, 232905 (2019)

Zhong Li, Jan Krieft, Amit Vikram Singh, Sudhir Regmi, Ankur Rastogi, Abhishek Srivastava, Zbigniew Galazka, Tim Mewes, Arunava Gupta, Timo Kuschel
Vectorial observation of the spin Seebeck effect in epitaxial NiFe2O4 thin films with various magnetic anisotropy contributions
Appl. Phys. Lett. 114, 232404 (2019)

A. Grillo, Julien Barrat, Z.Galazka, M. Passacantando, F. Giubileo, L. Iemmo, G. Luongo, F. Urban, C. Dubourdieu, A. Bartolomeo
High field-emission current density from β- Ga2O3 nanopillars
Appl. Phys. Lett. 114, 193101 (2019)

Takahiro Nagata, Oliver Bierwagen, Zbigniew Galazka, Masataka Imura, Shigenori Ueda, Yoshiyuki Yamashita, Toyohiro Chikyow
Photoelectron spectroscopic study of electronic states and surface structure of an in situ cleaved In2O3 (111) single crystal
Japanese Journal of Applied Physics 58, SDDG06 (2019)

A. Fiedler, R. Schewski, Z. Galazka, and K. Irmscher
Static Dielectric Constant of β-Ga2O3 Perpendicular to the Principal Planes (100), (010), and (001)
ECS Journal of Solid State Science and Technology, 8 (7) Q3083-Q3085 (2019)

A. Fiedler, R. Schewski, Z. Galazka, K. Irmscher
Static Dielectric Constant of β-Ga2O3 Perpendicular to the Principal Planes (100), (010), and (001)
ECS Journal of Solid State Science and Technology, 8 (7) Q3083-Q3085 (2019)

Winicjusz Drozdowski, Michał Makowski, Marcin E. Witkowski, Andrzej J. Wojtowicz, Zbigniew Galazka, Klaus Irmscher, Robert Schewski
β-Ga2O3:Ce as a fast scintillator: An unclear role of cerium
Radiation Measurements 121 (2019) 49–53

M. Feneberg, C. Lidig, M. E. White, M. Y. Tsai, J. S. Speck, O. Bierwagen, Z. Galazka, R. Goldhahn
Anisotropic optical properties of highly doped rutile SnO2: Valence band contributions to the Burstein-Moss shift
APL Materials 7, 022508 (2019);

R. Schewski, K. Lion, A. Fiedler, C. Wouters, A. Popp, S. V. Levchenko, T. Schulz, M. Schmidbauer, S. Bin Anooz, R. Grüneberg, Z. Galazka, G. Wagner, K. Irmscher, M. Scheffler, C. Draxl, M. Albrecht
Step-flow growth in homoepitaxy of β- Ga2O3(100)—The influence of the miscut direction and faceting
APL Mater. 7, 022515 (2019)

J. Boy, M. Handwerg, R.Ahrling , R. Mitdank, G. Wagner, Z. Galazka, S. F. Fischer
Temperature dependence of the Seebeck coefficient of epitaxial -Ga2O3 thin films
APL Mater. 7, 022526 (2019)

Z. Galazka, S. Ganschow, R. Schewski, K. Irmscher, D. Klimm, A. Kwasniewski, M. Pietsch, A. Fiedler, I. Schulze-Jonack, M. Albrecht, T. Schröder, M. Bickermann
Ultra-wide bandgap, conductive, high mobility, and high quality melt-grown bulk ZnGa2O4 single crystals
APL Materials 7, 022512 (2019)

W. Drozdowski, M. Makowski, M. E. Witkowski, A. J. Wojtowicz, Z. Galazka, K. Irmscher, R. Schewski
β-Ga2O3:Ce as a fast scintillator: An unclear role of cerium
Radiation Measurements 121 (2019) 49–53

Tamino Hirsch, Detlef Klimm, Christo Guguschev, Albert Kwasniewski, Steffen Ganschow
Investigation of the Nd 2 O 3 –Lu 2 O 3 –Sc 2 O 3 phase diagram for the preparation of perovskite-type mixed crystals NdLu 1-x Sc x O 3
Journal of Crystal Growth 505 (2019) 38–43

Zbigniew Galazka, Steffen Ganschow, Robert Schewski, Klaus Irmscher, Detlef Klimm Albert Kwasniewski, Mike Pietsch, Andreas Fiedler, Isabelle Schulze-Jonack, Martin Albrecht,Thomas Schröder, and Matthias Bickermann
Ultra-wide bandgap, conductive, high mobility, and high quality melt-grown bulk ZnGa2O4 single crystals
APL Mater. 7, 022512 (2019)


Zbigniew Galazka
β-Ga2O3 for wide-bandgap electronics and optoelectronics
Semiconductor Science and Technology 33(11) 2018 - Topical Review

H.-J. Rost, R. Menzel, D. Siche, U. Juda, S. Kayser, F.M. Kießling, L. Sylla, T. Richter
Defect formation in Si-crystals grown on large diameter bulk seeds by a modified FZ-method
Journal of Crystal Growth 500 (2018) 5–10

J. Shan, A. V. Singh, L. Liang, L. J. Cornelissen, Z. Galazka, A. Gupta, B. J. van Wees, and T. Kuschel
Enhanced magnon spin transport in NiFe2O4 thin films on a lattice-matched substrate
Appl. Phys. Lett. 113, 162403 (2018)

J. Pejchal, J. Barta, V. Babin, A. Beitlerova, P. Prusa, R. Kucerkova, D. Panek, T. Parkman, C. Guguschev, L. Havlak, P. Zemenova, K. Kamada, A. Yoshikawa
Influence of Mg-codoping, non-stoichiometry and Ga-admixture on LuAG:Ce scintillation properties
Optical Materials 86 (2018) 213–232

Zongzhe Cheng, Michael Hanke, Zbigniew Galazka, and Achim Trampert
Thermal expansion of single-crystalline β-Ga2O3 from RT to 1200 K studied by synchrotron-based high resolution x-ray diffraction
Appl. Phys. Lett. 113, 182102 (2018)

Michele Baldini, Zbigniew Galazka, Günter Wagner
Recent progress in the growth of β-Ga2O3 for power electronics applications
Materials Science in Semiconductor Processing 78 (2018) 132–146

Zbigniew Galazka, Steffen Ganschow, Andreas Fiedler, Rainer Bertram, Detlef Klimm, Klaus Irmscher, Robert Schewski, Mike Pietsch, Martin Albrecht, Matthias Bickermann
Doping of Czochralski-grown bulk β-Ga2O3 single crystals with Cr, Ce and Al
Journal of Crystal Growth 486 (2018) 82–90

Detlef Klimm, Max Schmidt, Nora Wolff, Christo Guguschev, Steffen Ganschow
On melt solutions for the growth of CaTiO3 crystals
Journal of Crystal Growth 486 (2018) 117–121

Julia Hidde, Christo Guguschev, Steffen Ganschow, Detlef Klimm
Thermal conductivity of rare-earth scandates in comparison to other oxidic substrate crystals
Journal of Alloys and Compounds 738 (2018) 415e421

Widely tunable, efficient 2 μm laser in monocrystalline Tm3+:SrF2
OPTICS EXPRESS 5368 Vol. 26, No. 5

Amlan Datta, Piotr Becla, Christo Guguschev, Shariar Motakef
Advanced crystal growth techniques for thallium bromide semiconductor radiation detectors
Journal of Crystal Growth 483 (2018) 211–215

Stephanie Lam, Christo Guguschev, Arnold Burger, Maria Hackett, Shariar Motakef
Crystal growth and scintillation performance of Cs2HfCl6 and Cs2HfCl4Br2
Journal of Crystal Growth 483 (2018) 121–124

Oliver Bierwagen and Zbigniew Galazka
The inherent transport anisotropy of rutile tin dioxide (SnO2) determined by van der Pauw measurements and its consequences for applications
Appl. Phys. Lett. 112, 092105 (2018)

Nora Wolff, Detlef Klimm, Dietmar Siche
Thermodynamic investigations on the growth of CuAlO2 delafossite crystals
Journal of Solid State Chemistry 258 (2018) 495–500


M. F. Acosta, R. I. Merino, S. Ganschow, D. Klimm
Solidification of NaCl–LiF–CaF2 ternary composites
J. Mater. Sci. 52 (2017) 5520 – 5530

Ding Li, Veit Hoffmann, Eberhard Richter, Thomas Tessaro, Zbigniew Galazka, Markus Weyers, Günther Tränkle
MOVPE growth of violet GaN LEDs on β-Ga2O3 substrates
Journal of Crystal Growth 478 (2017) 212–215

Z. Galazka, R. Uecker, D. Klimm, K. Irmscher, M. Naumann, M. Pietsch, A. Kwasniewski, R. Bertram, S. Ganschow, M. Bickermann
Scaling-Up of Bulk β-Ga2O3 Single Crystals by the Czochralski Method
ECS J SOLID STATE SCI TECHN 6 (2017) Q3007 - Q3011

J. Schwarzkopf, D. Braun, M. Hanke, R. Uecker, M. Schmidbauer
Strain Engineering of Ferrolectric Domains in KxNa1-xNbO3 Epitaxial Layers

L. Porz, T. Swamy, B. W. Sheldon, D. Rettenwander, T. Frömling, H. L. Thaman, S. Berendts, R. Uecker, W. C. Carter, Y.-M. Chiang
Mechanism of Lithium Metal Penetration through Inorganic Solid Electrolytes
ADV ENERGY MATER (2017) 1701003

P. S. Miedema, R. Mitzner, S. Ganschow, A. Föhlisch, M. Beye
X-ray spectroscopy on the active ion in laser crystals
Phys. Chem. Chem. Phys. 19 (2017) 21800 - 21806!divAbstract

D. Szalkai, Z. Galazka, K. Irmscher, P. Tüttó, A. Klix, D. Gehre
β-Ga2O3 Solid-State Devices for Fast Neutron Detection
IEEE TRANS NUCL SCI 64 (2017) 1574 - 1579

Amit V. Singh, Behrouz Khodadadi, Jamileh Beik Mohammadi, Sahar Keshavarz, Tim Mewes, Devendra Singh Negi, Ranjan Datta, Zbigniew Galazka, Reinhard Uecker, and Arunava Gupta
Bulk Single Crystal-Like Structural and Magnetic Characteristics of Epitaxial Spinel Ferrite Thin Films with Elimination of Antiphase Boundaries
Adv. Mater. 2017, 1701222

D. Klimm, C. Guguschev, D. J. Kok, M. Naumann, L. Ackermann, D. Rytz, M. Peltz, K. Dupré, M. D. Neumann, A. Kwasniewski, D. G. Schlom, M. Bickermann
Crystal growth and characterization of the pyrochlore Tb2Ti2O7
CrystEngComm 19 (2017) 3908 - 3914!divAbstract

Christo Guguschev, Dirk J. Kok, Uta Juda, Reinhard Uecker, Sakari Sintonen, Zbigniew Galazka, Matthias Bickermann
Top-seeded solution growth of SrTiO3 single crystals virtually free of mosaicity
Journal of Crystal Growth 468 (2017) 305–310

C. Guguschev, J. Philippen, D. J. Kok, T. Markurt, D. Klimm, K. Hinrichs, R. Uecker, R. Bertram and M. Bickermann
Czochralski growth and characterization of cerium doped calcium scandate
CrystEngComm, 2017, 19, 2553!divAbstract

Andrew Joseph Green, Kelson D. Chabak, Michele Baldini, Neil Moser, Ryan Gilbert, Robert C. Fitch, Günter Wagner, Zbigniew Galazka, Jonathan McCandless, Antonio Crespo, Kevin Leedy, and Gregg H. Jessen
β-Ga2O3 MOSFETs for Radio Frequency Operation

C. V. Chandran, K. Volgmann, S. Nakhal, R. Uecker, E. Witt, M. Lerch, P. Heitjans
Local Ion Dynamics in Polycrystalline ß-LiGa02: A Solid-State NMR Study
Z. Phys. Chem. 231 (2017) 1443 - 1453

U. Demirbas, R. Uecker, J.G. Fujimoto, A. Leitenstorfer
Multicolor lasers using birefringent filters: experimental demonstration with Cr:Nd:GSGG and Cr:LiSAF
OPT EXPRESS 25 (2017) 2594 - 2607

J. Philippen, C. Guguschev, D. Klimm
Single Crystal Fiber Growth of Cerium Doped Strontium Yttrate, SrY2O4:Ce3+
J. Cryst. Growth 459 (2017) 17 - 22

Marıa F. Acosta, Rosa I. Merino, Steffen Ganschow, and Detlef Klimm
Solidification of NaCl–LiF–CaF2ternary composites
J Mater Sci (2017) 52:5520–5530

R. Uecker, R. Bertram, M. Brützam, Z. Galazka, T. M. Gesing, C. Guguschev, D. Klimm, M. Klupsch, A. Kwasniewski, D. G. Schlom
Large-Lattice-Parameter Perovskite Single-Crystal Substrates
J. Cryst. Growth 457 (2017) 137 - 142

Z. Galazka, R. Uecker, K. Irmscher, D. Klimm, R. Bertram, A. Kwasniewski, M. Naumann, R. Schewski, M. Pietsch, U. Juda, A. Fiedler, M. Albrecht,S. Ganschow, T. Markurt, C. Guguschev, M. Bickermann
Melt Growth and Properties of Bulk BaSnO3 Single Crystals
J. Phys.-CONDENS MAT 29 (2017) 075701

Wolfram Miller, Klaus Böttcher, Zbigniew Galazka and Jürgen Schreuer
Numerical Modelling of the Czochralski Growth of β-Ga2O3
Crystals 2017, 7, 26

Takahiro Nagata, Oliver Bierwagen, Zbigniew Galazka, Masataka Imura, Shigenori Ueda, Hideki Yoshikawa, Yoshiyuki Yamashita, and Toyohiro Chikyow
Photoelectron spectroscopic study of electronic state and surface structure of In2O3 single crystals
Applied Physics Express 10, 011102 (2017)

H. Riesen, A. Rebane, R. Papakutty Rajan, W. Hutchison, S. Ganschow, A. Szabo
Ultra-slow light propagation by self-induced transparency in ruby in the superhyperfine limit
OPT LETT 42 (2017) 1871 - 1874


G. Calvert, C. Guguschev, A. Burger, A. Groza, J. Derby, R. S. Feigelson
High Speed Growth of SrI2 Scintillator Crystals by the EFG Process
J. Cryst. Growth 455 (2016) 143 - 151

K. D. Chabak,. N. Moser, A. J. Green, D. E. Walker, Jr.,S. E. Tetlak, E. Heller, A. Crespo, R. Fitch, J. P. Mc Candless, K. Leedy, M. Baldini, G. Wagner, Z. Galazka, X. Li, G. Jessen
Enhancement-Mode Ga2O3 Wrap-Gate Fin Field-Effect Transistors on Native (100) β-Ga2O3 Substrate with High Breakdown Voltage
J. Appl. Phys. LETT 109 (2016) 213501

S. Ganschow, A. Kwasniewski, D. Klimm
Conditions for the Growth of Fe1-xO Crystals Using the Micro-Pulling-Down Technique.
J. Cryst. Growth 450 (2016) 203-206

T. Hirsch, R. Uecker, D. Klimm
Reevaluation of phase relations in the chemical system neodymium lutetium oxide NdLuO3
Cryst. Res. Technol. 52 (2017) 1600237

Tamino Hirsch, Reinhard Uecker, and Detlef Klimm
Reevaluation of phase relations in the chemical system neodymium lutetium oxide NdLuO3
Cryst. Res. Technol., 1–7 (2016)

C. Cocchi, H. Zschiesche, D. Nabok, A. Mogilatenko, M. Albrecht, Z. Galazka, H. Kirmse, C. Draxl, C.T. Koch
Atomic Signatures of Local Environment from Core-Level Spectroscopy in β-Ga2O3
Phys. Rev. B 94 (2016) 075147

M. Handwerg, R Mitdank, Z. Galazka, S. F. Fischer
Temperature-Dependent Thermal Conductivity and Diffusivity of a Mg-Doped Insulating β-Ga2O3 Single Crystal Along [100], [010] and [001]
Semicond. Sci. Technol. 31 (2016) 125006

A.J. Green, K.D. Chabak, E.R. Heller, R.C. Fitch, M. Baldini, A. Fiedler, K. Irmscher, G. Wagner, Z. Galazka, S.E. Tetlak, A. Crespo, K. Leedy, G. H. Jessen
3.8-MV/cm Breakdown Strength of MOVPE-Grown Sn-Doped β-Ga2O3 MOSFETs
IEEE ELECTR DEVICE L 37 (2016) 902 - 905

D.J. Kok, C. Guguschev, T. Markurt, M. Niu, R. Bertram, M. Albrecht, K. Irmscher
Origin of Brown Coloration in Top-Seeded Solution Grown SrTiO3 Crystals.
CrystEngComm 18 (2016) 4580 - 4586

B. Burganov, C. Adamo, A. Mulder, M. Uchida, P. D. C. King, J. W. Harter, D. E. Shai, A. S. Gibbs, A. P. Mackenzie, R. Uecker, M. Bruetzam, M. R. Beasley, C. J. Fennie, D. G. Schlom, K. M. Shen
Strain Control of Fermiology and Many-Body Interactions in Two-Dimensional Ruthenates.
Phys. Rev. LETT 116 (2016) 197003

F. Kamutzki, C. Guguschev, D.J. Kok, R. Bertram, U. Juda, R. Uecker
The influence of oxygen partial pressure in the growth atmosphere on the coloration of SrTiO3 single crystal fibers.
CrystEngComm 18 (2016) 5658-5666!divAbstract

S. Höfer, R. Uecker, A. Kwasniewski, J. Popp, Th. G. Mayerhöfer
Complete Dispersion Analysis of Single Crystal Yttrium Orthosilicate.
VIB SPECTROSC 83 (2016) 151 – 158

Y. Choa, S. Sadofeva, S. Fernández-Garridoa, R. Calarcoa, H. Riechert, Z. Galazka, R. Uecker, O. Brandt
Impact of Substrate Nitridation on the Growth of InN on In2O3(111) Byplasma-Assisted Molecular Beam Epitaxy.
Appl Surf Sci. 369 (2016) 159 - 162

L.A. King, Q. Yang, M.L. Grossett, Z. Galazka, R. Uecker, B.A. Parkinson
Photosensitization of Natural and Synthetic SnO2 Single Crystals with Dyes and Quantum Dots.
J. Phys. Chem. C 120 (2016) 15735 – 15742

V. Scherer, Ch. Janowitz1, Z. Galazka, M. Nazarzadehmoafi, R. Manzke
Polaron Character of the Near-EF Band of Cleaved In2O3(111) Single Crystals.
EPL Journal 113 (2016) 26003 p1 - p6

Y. Suhak, M. Schulz, H. Wulfmeier, W.L. Johnson, A. Sotnikov, H. Schmidt, S. Ganschow, D. Klimm, H. Fritze
Langasite-Type Resonant Sensors for Harsh Environments.
MRS ADVANCES 21 (2016) 1513 - 1518

J. Haeberle, S. Brizzi, D. Gaspar, P. Barquinha, Z. Galazka, D. Schulz, D. Schmeißer
A Spectroscopic Comparison of IGZO Thin Films and the Parent In2O3, Ga2O3, and ZnO Single Crystals
MATER RES EXPRESS 3 (2016) 106302

M. Feneberg, J. Nixdorf, C. Lidig, R. Goldhahn, Z. Galazka, O. Bierwagen, J.S. Speck
Many-Electron Effects on the Dielectric Function of Cubic In2O3: Effective Electron Mass, Band-Nonparabolicity, and Burstein-Moss Shift.
Phys. Rev. B 93 (2016) 045203

D. Wiedemann, S. Indris, M. Meven, B. Pedersen, H. Boysen, R. Uecker, P. Heitjans, M. Lerch
Single-Crystal Neutron Diffraction on γ-LiAlO2: Structure Determination and Estimation of Lithium Diffusion Pathway.
Z. Kristallogr. 231 (2016) 189 – 193

Partnerlogo 1 EN

Partnerlogo 2

Partnerlogo 3