Leibniz-Institut für Kristallzüchtung

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Machine learning supported analysis of MOVPE grown beta-Ga₂O₃ thin films on sapphire T. Chou, S. Bin Anooz, R. Grueneberg, N. Dropka, W. Miller, T. T. V. Tran, J. Rehm, M. Albrecht, A. Popp J. Cryst. Growth 592 (2022) 126737

Role of critical thickness in SiGe/Si/SiGe heterostructure design for qubitsY. Liu, K.-P. Gradwohl, C.-H. Lu, T. Remmele, Y. Yamamoto, M. H. Zoellner, T. Schroeder, T. Boeck, H Amari, C. Richter, M. Albrecht Journal of Applied Physics 132 (2022) 085302

Thickness effect on ferroelectric domain formation in compressively strained K_0.65Na_0.35NbO₃ epitaxial filmsY. Wang, S. Bin Anooz, G. Niu, M. Schmidbauer, L. Wang, W. Ren, J. SchwarzkopfPhys. Rev. Materials 6 (2022) 084413

Visible solid-state lasers based on Pr³⁺ and Tb³⁺H. Tanaka, S. Kalusniak, M. Badtke, M. Demesh, N. V. Kuleshov, F. Kannari, C. Kränkel a,*Progress in Quantum Electronics 84 (2022) 100411

Few-ns, kW peak power Q-switched pulses from orange and red Pr:YLF lasersM. Badtke, H. Tanaka, S. Kalusniak, M. Demesh, N. Kuleshov, C. KränkelApplied Physics Express 15 (2022) 082006

X-Band Parallel-Mode and Multifrequency Electron Paramagnetic Resonance Spectroscopy of S = 1/2 Bismuth CentersJ. Haak, J. Krüger, N. V. Abrosimov, C. Helling, S. Schulz, G. E. CutsailInorg. Chem. 61 (2022) 11173–11181

Gapped Collective Charge Excitations and Interlayer Hopping in Cuprate SuperconductorsM. Hepting, M. Bejas, A. Nag, H. Yamase, N. Coppola, D. Betto, C. Falter, M. Garcia-Fernandez, S. Agrestini, Ke-Jin Zhou, M. Minola, C. Sacco, L. Maritato, P. Orgiani, H. I. Wei, K. M. Shen, D. G. Schlom, A. Galdi, A. Greco, B. KeimerPhys. Rev. Lett. 129 (2022) 047001

Tackling Disorder in γ-Ga₂O₃L. E. Ratcliff, T. Oshima, F. Nippert, B. M. Janzen, E. Kluth, R. Goldhahn, M. Feneberg, P. Mazzolini, O. Bierwagen, C. Wouters, M. Nofal, M. Albrecht, J. E. N. Swallow, L. A. H. Jones, P. K. Thakur, T.-L. Lee, C. Kalha, C. Schlueter, T. D. Veal, J. B. Varley, M. R. Wagner, A. RegoutzAdv. Mater. 34 (2022) 2204217

Refractory metal-based ohmic contacts on β-Ga₂O₃ using TiWK. Tetzner, R. Schewski, A. Popp, S. Bin Anooz, T.-S. Chou, I. Ostermay, H. Kirmse, J. WürflAPL Materials 10 (2022) 071108

A robust high-performance electronic synapse based on epitaxial ferroelectric Hf_0.5Zr_0.5O₂ films with uniform polarization and high Curie temperatureY. Wang, Q. Wang, J. Zhao, T. Niermann, Y. Liu, L. Dai, K. Zheng, Y. Sun, Y. Zhang, J. Schwarzkopf, T. Schroeder, Z. Jiang, W. Ren, G. NiuApplied Materials Today 29 (2022) 101587

Si Doping Mechanism in MOVPE-grown (100) β-Ga₂O₃ filmsT. Chou, S. B. Anooz, R. Grüneberg, N. Dropka, J. Rehm, T. T. V. Tran, K. Irmscher, P. Seyidov, W.Miller, Z.Galazka, M. Albrecht, A. PoppAppl. Phys. Lett. 121, 032103 (2022)

Detection of Ramsey Oscillations in Germanium Doped with Shallow Donors upon the Excitation of the 1s → 2p0 TransitionR. Kh. Zhukavin, P. A. Bushuikin, V. V. Kukotenko, Yu. Yu. Choporova, N. Deßmann, K. A. Kovalevsky, V. V. Tsyplenkov, V. V. Gerasimov, B. A. Knyazev, N. V. Abrosimov, and V. N. ShastinJournal of Experimental and Theoretical Physics Letters 116, 3 (2022) 137-143

23.5% Efficiency GaAs Solar Cells Fabricated with Low-cost, Non-vacuum ProcessingP. R. Jahelka, H. A. Atwater, A. Ptak, C. Frank-Rotsch, F. Kiessling, C. Went, M. Kelzenberg,2022 IEEE 49th Photovoltaics Specialists Conference (PVSC)

Stability of ZnSe-Passivated Laser Facets Cleaved in Air and in Ultra-High Vacuum J. E. Boschker , U. Spengler, P. Ressel, M. Schmidbauer, A. Mogilatenko, A. KniggeIEEE Photonics J. 14 (2022) 1531606

Model experiments for melt flow in Czochralski growth of siliconO. Patzold, K. Dadzis, C. Kirmse, D. Weik, L. Büttner, J. Czarske, A. CharitosJ. Cryst. Growth 588 (2022) 126656

Thermal conductivity, diffusivity and specific heat capacity of as-grown, degenerate single-crystalline ZnGa₂O₄J. Boy, R. Mitdank, Z. Galazka, S. F. FischerMater. Res. Express 9 (2022) 065902

Development of a cryogenic In₂O₃ calorimeter to measure the spectral shape of ^{115^{In β-decay}}E. Celi, Z. Galazka, M. Laubenstein, S. Nagorny, L. Pagnanini, S. Pirro; A. Puiu Nucl. Instrum. Methods Phys. Res. A 1033 (2022) 166682

Determination of the phase diagram Tb₂O₃–SiO₂ and crystal growth of the rare earth pyrosilicate Tb₂Si₂O₇ by the optical floating-zone (OFZ) techniqueN. Wolff, D. KlimmJournal of Solid State Chemistry, 312, (2022), 123269

Stability of ZnSe-passivated laser facets cleaved in air and in ultra-high vacuumJ. E. Boschker, U. Spengler, P. Ressel, M. Schmidbauer, A. Mogilatenko and A. KniggeIEEE Photonics Journal 14, 1531606 (2022)

Ultrafast element- and depth-resolved magnetization dynamics probed by transverse magneto-optical Kerr effect spectroscopy in the soft x-ray rangeM. Hennecke, D. Schick, T.Sidiropoulos, F. Willems, A. Heilmann, M. Bock, L. Ehrentraut, D. Engel, P. Hessing, B. Pfau, M. Schmidbauer, A. Furchner, M. Schnuerer, C. von Korff Schmising, and S. EisebittPhys. Rev. Research 4, L022062 (2022)

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