Senior Scientist
Speaker of Scientists
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
31 | Author | Z. Cheng , M. Hanke , P. Vogt , O. Bierwagen , A. Trampert |
Title |
Phase formation and strain relaxation of Ga2O3 on various sapphire orientations as studied by synchrotron-based x-ray diffraction |
|
Source | Appl. Phys. Lett. , 111 , 162104 ( 2017 ) | |
DOI : 10.1063/1.4998804 | Download: PDF | Cite : Bibtex RIS |
32 | Author | J.-B. Barakat , S. Dadgostar , K. Hestroffer , O. Bierwagen , A. Trampert , F. Hatami |
Title |
Growth of GaP and AlGaP on GaP(111)B using gas-source molecular-beam epitaxy |
|
Source | J. Cryst. Growth , tbd , tbd ( 2017 ) | |
DOI : 10.1016/j.jcrysgro.2017.02.029 | Cite : Bibtex RIS |
33 | Author | T. Berthold , J. Rombach , T. Stauden , V. Polyakov , V. Cimalla , S. Krischok , O. Bierwagen , M. Himmerlich |
Title |
Consequences of plasma oxidation and vacuum annealing on the chemical properties and electron accumulation of In2O3 surfaces |
|
Source | J. Appl. Phys. , 120 , 245301 ( 2016 ) | |
DOI : 10.1063/1.4972474 | Download: PDF | Cite : Bibtex RIS |
34 | Author | T. Nagata , O. Bierwagen , Z. Galazka , M. Imura , S. Ueda , H. Yoshikawa , Y. Yamashita , T. Chikyow |
Title |
Photoelectron spectroscopic study of electronic state and surface structure of In2O3 single crystals |
|
Source | Appl. Phys. Express , 10 , 011102 ( 2016 ) | |
DOI : 10.7567/APEX.10.011102 | Cite : Bibtex RIS |
35 | Author | T. C. Kaspar , P. V. Sushko , M. E. Bowden , S. M. Heald , A. Papadogianni , C. Tschammer , O. Bierwagen , S. A. Chambers |
Title |
Defect compensation by Cr vacancies and oxygen interstitials in Ti4+-doped Cr2O3 epitaxial thin films |
|
Source | Phys. Rev. B , 94 , 155409 ( 2016 ) | |
DOI : 10.1103/PhysRevB.94.155409 | Download: PDF | Cite : Bibtex RIS |
36 | Author | P. Vogt , O. Bierwagen |
Title |
Kinetics versus thermodynamics of the metal incorporation in molecular beam epitaxy of (InxGa1-x)2O3 |
|
Source | APL Mater. , 4 , 086112 ( 2016 ) | |
DOI : 10.1063/1.4961513 | Download: PDF | Cite : Bibtex RIS |
37 | 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 | Cite : Bibtex RIS |
38 | 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 Chem. , 236 , 909 ( 2016 ) | |
DOI : 10.1016/j.snb.2016.03.079 | Cite : Bibtex RIS |
39 | 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 | Cite : Bibtex RIS |
40 | 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 | Cite : Bibtex RIS |