Listed here are externally funded projects that I have acquired myself and am responsible for (as PI). I am involved in other projects, and many other externally funded projects and collaborations as well as internal research are carried out in my section.

• Third-party funding as PI at IKZ

• 2024-2027: BMBF research project 13N16923 (Scientific Validation (WiVoPro): Photonics and Quantum Technologies)
  "Preparation of highly transparent BaMgF₄ crystals for quasi phase matched frequency doubling in the VUV spectral range (< 200 nm)" (part of the "Coherent continuous wave radiation in vacuum UV: UV-KrisP" joint project)
  Persons in charge: Hiroki Tanaka and Christian Kränkel
  Joint collaboration with Frank Kühnemann and Simon Herr of Fraunhofer IPM, Freiburg
• 2016-2024: Leibniz ScienceCampus GraFOx "Growth and Fundamentals of Oxides for Electronic Applications"
  "Bulk Growth of TCOs and Complex Oxides" (G1X) and "GoNext: Bulk growth of highly Si-doped Ga2O3" (D1G1)
  Persons in charge: Zbigniew Galazka and Christo Guguschev
  Joint collaboration with the Paul-Drude-Institut, Berlin; Humboldt-Universität zu Berlin; Ferdinand-Braun-Institut (FBH), Berlin; and other research institutes
• 2018-2021: BMBF research project 03ZZ0138A ("Zwanzig20 - Initiative Regionale Wachstumskerne")
  "AlN substrates for deep-UV LEDs at 230 nm" (part of "AlN-230nm" activity) of the consortium "Advanced UV for Life"
  Person in charge: Thomas Straubinger
  Joint collaboration with the Ferdinand-Braun-Institut (FBH), Berlin; Technische Universität Berlin; Crystec GmbH, Berlin; and Freiberger Compound Materials (FCM), Freiberg
• 2017-2020: BMBF research project 13N14597 ("Photonik nach Maß")
  "Developing a technology for preparation of KTb₃F₁₀ (KTF) single crystals" (part of "ISONOVA" activity)
  Person in charge: Detlev Schulz
  Joint collaboration with FEE GmbH, Idar-Oberstein; Fraunhofer IPM, Freiburg; TOPTICA Photonics GmbH, Gräfelfing; and TRUMPF Laser GmbH, Schramberg
• 2016-2020: DFG research project Bi 781/11-1
  "Electromechanical properties and atomic transport in AlN bulk single crystal at high temperatures"
  Person in charge: Ivan Gamov
  Joint collaboration with Prof. Holger Fritze, Technical University Clausthal
• 2015-2017: BMBF research project 03ZZ0112A ("Zwanzig20 - Initiative Regionale Wachstumskerne")
  "AlN substrates with defined properties" (part of "AlN substrates" activity) of the consortium "Advanced UV for Life"
  Person in charge: Carsten Hartmann, Andrea Dittmar
  Joint collaboration with the Ferdinand-Braun-Institut (FBH), Berlin; Crystec GmbH, Berlin; and Freiberger Compound Materials (FCM), Freiberg
• 2013-2016: DFG research project Bi 781/8-1
  "Technology development for the growth of semi-insulating bulk GaN and investigation of in-situ carbon doping"
  Person in charge: Krzysztof Kachel, Radoslaw Zwierz
  Joint collaboration with apl. Prof. Dietmar Siche (IKZ) and Prof. Axel Hoffmann, Solid State Physics, Technische Universität Berlin
• 2011-2013: DFG research project Bi 781/6-1
  "Multi-scale modeling to understand faceting and orientation-dependent crystal growth of aluminum nitride bulk crystal growth by physical vapor transport"
  Person in charge: Frank Langhans
  Joint collaboration with Prof. Heike Emmerich and Dr. Wei Guo, Computational Materials Engineering, University of Bayreuth
• 2009-2011: DFG research project Nr. Bi 781/5-1
  "Preparation and Characterization of bulk single crystals of (AlN)_x(SiC)_1-x"
  Personal grant for research conducted at the University of Erlangen

• Projects and collaboration with industry at Erlangen (1998-2011)

  Coordination of scientific projects

• 2009-2011: EXIST research transfer
  "Preparation of aluminum nitride substrates for blue and ultraviolet optoelectronics and high power electronics"
  through the 'Kontaktstelle für Wissenschafts- und Technologietransfer (wtt)' of the University of Erlangen
• 2004-2011: Industrial cooperation with JFE Mineral Company, Ltd., Japan
  through the 'Kontaktstelle für Wissenschafts- und Technologietransfer (wtt)' of the University of Erlangen
• 2002-2005: DFG research project Nr. Wi 393/13
  "Preparation of bulk AlN single crystals as substrates for growth of low-defect (Al,Ga)N MBE layers"
  in collaboration with the 'Freiburger Materialforschungszentrum FMF' (Prof. Benz)
• 1999-2002: Project of the 'Bayerische Forschungsstiftung' Nr. 362/99
  "Preparation of low-defect p-doped and semi-insulating silicon carbide substrate crystals"
  in collaboration with SiCrystal AG and the Chair of Applied Physics (Dr. Pensl) of Erlangen University

• Scientific collaboration

• 2005-2008: DFG research project Nr. Wi-393/22
  "Development of a process for homoepitaxial growth of (01-15)-oriented SiC from the Si-based melt"
• 2001-2006: DFG Research Group Nr. FOR 476/1-2
  "SiC as semiconductor material: Alternative paths in preparation and doping"
  Part: "Preparation of low-defect single-polytype SiC bulk crystals from the liquid phase"
  in collaboration with various chairs of the University of Erlangen
• 2001-2003: BMBF project Nr. DLR 01 BM 073
  "Development of a growth process for preparation of silicon carbide single crystals of up to 4 inch in diameter"
  in collaboration with SiCrystal AG, Erlangen
• 1998-2002: DFG research project Nr. Wi 393/16
  "Intrinsically insulating SiC substrates: powder synthesis, ceramic processing, and properties"
  in collaboration with the Chair of Glass and Ceramics (Prof. Roosen) of the University of Erlangen
• 1998-2001: DFG research project Nr. Wi 393/9
  "Modeling and experimental verification concerning growth from the gas phase of silicon carbide bulk singly crystals"
• 1997-2000: Support from the Bavarian Ministry of Economical Affairs Nr. FKZ B31035B
  "High pressure flux growth of SiC"
  in collaboration with Linn High Therm GmbH, Eschenfelden and Wilden Engineering GmbH, Pfreimd
• 1996-1999: Project of the 'Bayerische Forschungsstiftung' Nr. 176/96
  "Preparation of low-defect silicon carbide crystals as substrate material for novel devices in high power electronics, high temperature electronics and sensors, and information technology"
  in collaboration with SiCrystal AG, Erlangen; Linn High Therm GmbH, Eschenfelden; Wilden Engineering GmbH, Pfreimd; and Aixtron AG, Aachen