PDI -> Staff ->

Dr. Oliver Bierwagen

Senior Scientist

Project Leader

Speaker of Scientists

Oliver Bierwagen

phone: +49 30 20377 491

room: 0713

email: bierwagen@pdi-berlin.de

 

Department: Epitaxy

Core research areas: Nanofabrication

 

Research interests:

Semiconductors

Oxides

Molecular Beam Epitaxy

Transport measurements

 

 

21 Author P. Vogt , O. Bierwagen
Title

Kinetics versus thermodynamics of the metal incorporation in molecular beam epitaxy of (InxGa1-x)2O3

Source APL Mat. , 4 , 086112 ( 2016 )
DOI : 10.1063/1.4961513 | Download: PDF | 2844 Cite : Bibtex RIS
P. Vogt, and O. Bierwagen

22 Author P. Vogt , O. Bierwagen
Title

Comparison of the growth kinetics of In2O3 and Ga2O3 and their suboxide desorption during plasma-assisted molecular beam epitaxy

Source Appl. Phys. Lett. , 109 , 062103 ( 2016 )
DOI : 10.1063/1.4960633 | Download: PDF | 2832 Cite : Bibtex RIS
P. Vogt, and O. Bierwagen

23 Author J. Rombach , A. Papadogianni , M. Mischo , V. Cimalla , L. Kirste , O. Ambacher , T. Berthold , S. Krischok , M. Himmerlich , Sören Selve , O. Bierwagen
Title

The role of surface electron accumulation and bulk doping for gas-sensing explored with single-crystalline In2O3 thin films

Source Sens. Actuators B , 236 , 909 ( 2016 )
DOI : 10.1016/j.snb.2016.03.079 | 2784 Cite : Bibtex RIS
J. Rombach, A. Papadogianni, M. Mischo, V. Cimalla, L. Kirste, O. Ambacher, T. Berthold, S. Krischok, M. Himmerlich, Sören Selve, and O. Bierwagen

24 Author M.V. Frischbier , H.F. Wardenga , M. Weidner , O. Bierwagen , J. Jia , Y. Shigesato , A. Klein
Title

Influence of dopant species and concentration on grain boundary scattering in degenerately doped In2O3 thin films

Source Thin Solid Films , 614 , 62 ( 2016 )
DOI : 10.1016/j.tsf.2016.03.022 | 2781 Cite : Bibtex RIS
M.V. Frischbier, H.F. Wardenga, M. Weidner, O. Bierwagen, J. Jia, Y. Shigesato, and A. Klein

25 Author O. Bierwagen , J. Rombach , J.S. Speck
Title

Faceting control by the stoichiometry influence on the surface free energy of low-index bcc-In2O3 surfaces

Source J. Phys.: Condens. Matter , 28 , 224006 ( 2016 )
DOI : 10.1088/0953-8984/28/22/224006 | 2727 Cite : Bibtex RIS
O. Bierwagen, J. Rombach, and J.S. Speck

26 Author P. Vogt , O. Bierwagen
Title

Reaction kinetics and growth window for plasma-assisted molecular beam epitaxy of Ga2O3: Incorporation of Ga vs. Ga2O desorption

Source Appl. Phys. Lett. , 108 , 072101 ( 2016 )
DOI : 10.1063/1.4942002 | Download: PDF | 2782 Cite : Bibtex RIS
P. Vogt, and O. Bierwagen

27 Author M. Feneberg , J. Nixdorf , C. Lidig , R. Goldhahn , Z. Galazka , O. Bierwagen , J.S. Speck
Title

Many-electron effects on the dielectric function of cubic In2O3: Effective electron mass, band-nonparabolicity, and Burstein-Moss shift

Source Phys. Rev. B , 93 , 045203 ( 2016 )
DOI : 10.1103/PhysRevB.93.045203 | Download: PDF | 2757 Cite : Bibtex RIS
M. Feneberg, J. Nixdorf, C. Lidig, R. Goldhahn, Z. Galazka, O. Bierwagen, and J.S. Speck

28 Author A. Papadogianni , M.E. White , J.S.Speck , Z. Galazka , O. Bierwagen
Title

Hall and Seebeck measurements estimate the thickness of a (buried) carrier system: Identifying interface electrons in In-doped SnO2 films

Source Appl. Phys. Lett. , 107 , 252105 ( 2015 )
DOI : 10.1063/1.4938471 | Download: PDF | 2756 Cite : Bibtex RIS
A. Papadogianni, M.E. White, J.S.Speck, Z. Galazka, and O. Bierwagen

29 Author J. Rombach , O. Bierwagen , A. Papadogianni , M. Mischo , V. Cimalla , T. Berthold , S. Krischok , M. Himmerlich
Title

Electrical Conductivity and Gas-sensing Properties of Mg-doped and Undoped Single-crystalline In2O3 Thin Films: Bulk vs. Surface

Source Procedia Eng. , 120 , 79 ( 2015 )
DOI : 10.1016/j.proeng.2015.08.570 | 2751 Cite : Bibtex RIS
J. Rombach, O. Bierwagen, A. Papadogianni, M. Mischo, V. Cimalla, T. Berthold, S. Krischok, and M. Himmerlich

30 Author M.Y. Tsai , O. Bierwagen , J.S. Speck
Title

Epitaxial Sb-doped SnO2 and Sn-doped In2O3 transparent conducting oxide contacts on GaN-based light emitting diodes

Source Thin Solid Films , 605 , 186 ( 2015 )
DOI : 10.1016/j.tsf.2015.09.022 | 2729 Cite : Bibtex RIS
M.Y. Tsai, O. Bierwagen, and J.S. Speck