Publications - Working Group Electron Microscopy

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)
http://jss.ecsdl.org/content/8/7/Q3083

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
https://www.sciencedirect.com/science/article/pii/S1350448718306358?via%3Dihub

Wei-Cheng Lee, Matthew J. Wahila, Shantanu Mukherjee, Christopher N. Singh, Tyler Eustance, Anna Regoutz, H. Paik, Jos E. Boschker, Fanny Rodolakis, Tien-Lin Lee, D. G. Schlom, and Louis F. J. Piper
Cooperative effects of strain and electron correlation in epitaxial VO2 and NbO2
Journal of Applied Physics 125, 082539 (2019)
https://aip.scitation.org/doi/10.1063/1.5052636

P. Mazzolini, P. Vogt, R. Schewski, C. Wouters, M. Albrecht, and O. Bierwagen
Faceting and metal-exchange catalysis in (010) β-Ga2O3 thin films homoepitaxially grown by plasma-assisted molecular beam epitaxy
APL Mater. 7, 022511 (2019)
https://aip.scitation.org/doi/10.1063/1.5054386

R. Schewski, K. Lion, A. Fiedler, C. Wouters, A. Popp, S. V. Levchenko, T. Schulz, Schmidbauer, S. Bin Anooz, R. Grüneberg, Z. Galazka, G. Wagner, K. Irmscher, M. Scheffler, C. Draxl, and M. Albrecht
Step-flow growth in homoepitaxy of β-Ga2O3 (100)—The influence of the miscut direction and faceting
APL Materials 7, 022515 (2019)
https://aip.scitation.org/doi/10.1063/1.5054943

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)
https://aip.scitation.org/doi/10.1063/1.5053867

2018

Jos E. Boschker, Toni Markurt, Martin Albrecht and Jutta Schwarzkopf
Heteroepitaxial Growth of T-Nb 2 O 5 on SrTiO 3
Nanomaterials 2018, 8(11), 895
https://www.mdpi.com/2079-4991/8/11/895

C. Ehlers, S. Kayser, D. Uebel, R. Bansen, T. Markurt, Th. Teubner, K. Hinrichs, O. Ernst, T. Boeck
In situ removal of a native oxide layer from an amorphous silicon surface with a UV laser for subsequent layer growth
CrystEngComm 20 (2018) 7170 - 7177
https://pubs.rsc.org/en/content/articlelanding/2018/ce/c8ce01170b#!divAbstract

N. Stolyarchuk, T. Markurt, A. Courville, K. March, J. Zúñiga-Pérez, P. Vennéguès & M. Albrecht
Intentional polarity conversion of AlN epitaxial layers by oxygen
Scientific Reports (2018) 8:14111
https://www.nature.com/articles/s41598-018-32489-w

T. Markurt, T. Schulz, P. Drechsel, P. Stauss, and M. Albrecht
A predictive model for plastic relaxation in (0001)-oriented wurtzite thin films and heterostructures
Journal of Applied Physics 124, 035303 (2018)
https://aip.scitation.org/doi/10.1063/1.5025813

Lu-Chung Chuang, Kensaku Maeda, Haruhiko Morito, Keiji Shiga,Wolfram Miller, Kozo Fujiwara
In situ observation of interaction between grain boundaries during directional solidification of Si
Scripta Materialia 148 (2018) 37–41
https://www.sciencedirect.com/science/article/pii/S135964621830037X

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
https://doi.org/10.1016/j.jcrysgro.2018.01.022

L. Lymperakis, T. Schulz, C. Freysoldt,1 M. Anikeeva, Z. Chen, X. Zheng, B. Shen, C. Chèze, M. Siekacz, X. Q. Wang, M. Albrecht, and J. Neugebauer
Elastically frustrated rehybridization: Origin of chemical order and compositional limits in InGaN quantum wells
PHYSICAL REVIEW MATERIALS 2, 011601(R) (2018)
https://journals.aps.org/prmaterials/abstract/10.1103/PhysRevMaterials.2.011601

2017

W. Miller, A. Popescu
Micro structures in the grain evolution during solidification of silicon: Phase field calculations
Acta Mater. 140 (2017) 1 - 9
https://doi.org/10.1016/j.actamat.2017.08.025

M. Pillaca, O. Harder, W. Miller, P. Gille
Forced convection by Inclined Rotary Bridgman method for growth of CoSb3 and FeSb2 single crystals from Sb-rich solutions
J. Cryst. Growth 475 (2017) 346 – 353
https://www.sciencedirect.com/science/article/pii/S002202481730461X?via%3Dihub

N. Stolyarchuk, T. Markurt, A. Courville, K. March, O. Tottereau, P. Vennéguès, and M. Albrecht
Impact of sapphire nitridation on formation of Al-polar inversion domains in N-polar AlN epitaxial layers
Journal of Applied Physics 122, 155303 (2017)
https://aip.scitation.org/doi/abs/10.1063/1.5008480

A. Fiedler, R. Schewski, M. Baldini, Z. Galazka, G. Wagner, M. Albrecht, and K. Irmscher
Influence of incoherent twin boundaries on the electrical properties of β-Ga2O3 layers homoepitaxially grown by metal-organic vapor phase epitaxy
Journal of Applied Physics 122, 165701 (2017)
https://aip.scitation.org/doi/10.1063/1.4993748

C. Ehlers, R. Bansen, T. Markurt, D. Uebel, Th. Teubner, T. Boeck
Solution growth of Si on reorganized porous Si foils and on glass substrates
J. Cryst. Growth 468 (2017) 268 – 271
https://www.sciencedirect.com/science/article/pii/S0022024816308995?via%3Dihub

Biya Cai, J. Schwarzkopf, C. Feldt, J. Sellmann, T. Markurt, and R. Wördenweber
Combined impact of strain and stoichiometry on the structural and ferroelectric properties of epitaxially grown Na1+xNbO3+δ films on (110) NdGaO3
PHYSICAL REVIEW B 95, 184108 (2017)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.95.184108

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
http://pubs.rsc.org/en/Content/ArticleLanding/2017/CE/C7CE00445A#!divAbstract

M. Schmidbauer, D. Braun, T. Markurt, M. Hanke, J. Schwarzkopf
Strain Engineering of Monoclinic Domains in KxNa1-xNbO3 Epitaxial Layers: A Pathway to Enhanced Piezoelectric Properties
NANOTECHNOLOGY 28 (2017) 24LT02
http://iopscience.iop.org/article/10.1088/1361-6528/aa715a/meta

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
http://iopscience.iop.org/article/10.1088/1361-648X/aa50e2/meta

Wolfram Miller, Klaus Böttcher, Zbigniew Galazka and Jürgen Schreuer
Numerical Modelling of the Czochralski Growth of β-Ga2O3
Crystals 2017, 7, 26
http://www.mdpi.com/2073-4352/7/1/26

Michele Baldini, Martin Albrecht, Andreas Fiedler, Klaus Irmscher, Robert Schewski, and G¨unter Wagner
Si- and Sn-Doped Homoepitaxial β-Ga2O3 Layers Grown by MOVPE on (010)-Oriented Substrates
ECS Journal of Solid State Science and Technology, 6 (2) Q3040-Q3044 (2017)
http://jss.ecsdl.org/content/6/2/Q3040.abstract

2016

S. Sintonen, P. Kivisaari, S. Pimputkar, S. Suihkonen , T. Schulz, J. S. Speck, S. Nakamura
Incorporation and Effects of Impurities in Different Growth Zones Within Basic Ammonothermal GaN
J. Cryst. Growth 456 (2016) 43 - 50
https://www.sciencedirect.com/science/article/pii/S0022024816304560

R. Schewski, M. Baldini, K. Irmscher, A. Fiedler, T. Markurt, B. Neuschulz, T. Remmele, T. Schulz, G. Wagner, Z. Galazka, and M. Albrecht
Evolution of planar defects during homoepitaxial growth of β-Ga2O3 layers on (100) substrates—A quantitative model
Journal of Applied Physics 120, 225308 (2016)
http://dx.doi.org/10.1063/1.4971957

B. Sadovyi, A. Nikolenko, J.L. Weyher, I. Grzegory, I. Dziecielewski, M. Sarzynski, V. Strelchuk, В. Tsykaniuk, O. Belyaev, I. Petrusha, V. Turkevich, V. Kapustianyk, M. Albrecht, S.Porowski
Diffusion of Oxygen in Bulk GaN Crystals at High Temperature and at High Pressure.
J. Cryst. Growth (2016) 35 - 42
http://dx.doi.org/10.1016/j.jcrysgro.2016.05.037

Caroline Chèze, Marcin Siekacz, Fabio Isa, Bernd Jenichen, Felix Feix, Jakov Buller, Tobias Schulz, Martin Albrecht, Czeslaw Skierbiszewski, Raffaella Calarco, and Henning Riechert
Investigation of interface abruptness and In content in (In,Ga)N/GaN superlattices
Journal of Applied Physics 120, 125307 (2016); doi: 10.1063/1.4963273
http://dx.doi.org/10.1063/1.4963273

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
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.94.075147

S. Sintonen, S. Wahl , S. Richter, S. Meyer, S. Suihkonen, T. Schulz, K. Irmscher, A. N. Danilewsky, T. O. Tuomi, R. Stankiewicz, M. Albrecht
Evolution of Impurity Incorporation During Ammonothermal Growth of GaN
J. Cryst. Growth 456 (2016) 51 - 57
https://www.sciencedirect.com/science/article/pii/S0022024816304572?via%3Dihub

P. Schönherr, F. Zhang, D. Kojda, R. Mitdank, M. Albrecht, S.F. Fischer, T. Hesjedal
Free-Standing Millimetre-Long Bi2Te3 Sub-Micron Belts Catalyzed by TiO2 Nanoparticles.
NANOSCALE RES LETT 11 (2016) 308
http://link.springer.com/article/10.1186/s11671-016-1510-x

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
http://pubs.rsc.org/en/content/articlelanding/2016/ce/c6ce00247a

S. Mohn, N. Stolyarchuk, T. Markurt, R. Kirste, M. P. Hoffmann, R. Collazo, A. Courville, R. Di Felice, Z. Sitar, P. Vennéguès, M. Albrecht
Polarity Control in Group-III Nitrides beyond Pragmatism.
Phys. Rev. APPL (2016) 054004
http://dx.doi.org/10.1103/PhysRevApplied.5.054004

F. Nippert, A. Nirschl, T. Schulz, G. Callsen, I. Pietzonka, S. Westerkamp, T. Kure, C. Nenstiel, M. Strassburg, M. Albrecht, and A.l Hoffmann
Polarization-Induced Confinement of Continuous Hole-States in Highly Pumped, Industrial-Grade, Green InGaN Quantum Wells.
J. Appl. Phys. 119 (2016) 215707
http://dx.doi.org/10.1063/1.4953254

M. Baldini, M. Albrecht, A. Fiedler, K. Irmscher, D. Klimm, R. Schewski, G. Wagner
Semiconducting Sn-Doped β-Ga2O3 Homoepitaxial Layers Grown by Metal Organic Vapour-Phase Epitaxy.
J. Mater. Sci. 51 (2016) 3650 – 3656
http://link.springer.com/article/10.1007/s10853-015-9693-6

Sergio Fernández-Garrido, Jonas Lähnemann, Christian Hauswald, Maxim Korytov, Martin Albrecht, Caroline Chèze, Czesław Skierbiszewski and Oliver Brandt
Comparison of the Luminous Efficiencies of Ga- and N-Polar InxGa1-xN=InyGa1-yN Quantum Wells Grown by Plasma-Assisted Molecular Beam Epitaxy
PHYSICAL REVIEW APPLIED 6, 034017 (2016)
https://www.researchgate.net/publication/283117477_Comparison_of_the_luminous_efficiency_of_Ga-_and_N-polar_In_xGa_1-xNIn_yGa_1-yN_quantum_wells_grown_by_plasma-assisted_molecular_beam_epitaxy

J. Smalc-Koziorowska, C. Bazioti, M. Albrecht and G. P. Dimitrakopulos
Stacking Fault Domains as Sources of A-Type Threading Dislocations in III-Nitride Heterostructures.
J. Appl. Phys. LETT 108 (2016) 051901
https://aip.scitation.org/doi/10.1063/1.4940745

R. Bansen, C. Ehlers, Th. Teubner, T. Markurt, J. Schmidtbauer, T. Boeck
Continuous Polycrystalline Silicon Layers on Glass Grown from Tin Solutions
CrystEngComm 18 (2016) 1911 - 1917
http://pubs.rsc.org/en/Content/ArticleLanding/2016/CE/C5CE02530C#!divAbstract

F. Langhans, S. Kiefer, C. Hartmann, T. Markurt, T. Schulz, Ch. Guguschev, M. Naumann, S. Kollowa, A. Dittmar, J. Wollweber, M. Bickermann
Precipitates Originating from Tungsten Crucible Parts in AlN Bulk Crystals Grown by the PVT Method.
Cryst. Res. Technol. 51 (2016) 129 - 136
https://onlinelibrary.wiley.com/doi/abs/10.1002/crat.201500201

M. Baldini, M. Albrecht, A. Fiedler, K. Irmscher, R. Schewski, G. Wagner
Si- and Sn-Doped Homoepitaxial β-Ga2O3 Layers Grown by MOVPE on (010)-Oriented Substrates
ECS J SOLID STAT SCI TECHN 6 (2016) Q1-Q5
http://jss.ecsdl.org/content/6/2/Q3040.full

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