Dr. Oliver Bierwagen

Senior Scientist

Speaker of Scientists

Oliver Bierwagen

Telefon: +49 30 20377 491

Raum: 0713

Email: bierwagen@pdi-berlin.de

 

Abteilung: Epitaxy

Core research areas: Nanofabrication

 

Forschungsschwerpunkt:

Semiconductors

Oxides

Molecular Beam Epitaxy

Transport measurements

 

 

1 Autor P. Mazzolini , A. Falkenstein , Z. Galazka , M. Martin , O. Bierwagen
Titel

Offcut-related step-flow and growth rate enhancement during (100) β-Ga2O3 homoepitaxy by metal-exchange catalyzed molecular beam epitaxy (MEXCAT-MBE)

Source Appl. Phys. Lett. , 117 , 222105 ( 2020 )
DOI : 10.1063/5.0031300 | Download: PDF | 3221 Cite : Bibtex RIS
P. Mazzolini, A. Falkenstein, Z. Galazka, M. Martin, and O. Bierwagen

2 Autor Jumpei Kamimura , M. Budde , Peter Bogdanoff , Carsten Tschammer , Fatwa F. Abdi , Roel van de Krol , O. Bierwagen , Henning Riechert , L. Geelhaar
Titel

Protection Mechanism against Photocorrosion of GaN Photoanodes Provided by NiO Thin Layers

Source Sol. RRL , xxx , xxx ( 2020 )
DOI : 10.1002/solr.202000568 | 3172 Cite : Bibtex RIS
Jumpei Kamimura, M. Budde, Peter Bogdanoff, Carsten Tschammer, Fatwa F. Abdi, Roel van de Krol, O. Bierwagen, Henning Riechert, and L. Geelhaar

3 Autor J. E. N. Swallow , C. Vorwerk , P. Mazzolini , P. Vogt , O. Bierwagen , A. Karg , M. Eickhoff , J. Schörmann , M. R. Wagner , J. W. Roberts , P. R. Chalker , M. J. Smiles , P. A. E. Murgatroyd , S. A. Razek , Z. W. Lebens-Higgins , L. F. J. Piper , L. A. H. Jones , P. K. Thakur , T.-L. Lee , J. B. Varley , J. Furthmüller , C. Draxl , T. D. Veal , A. Regoutz
Titel

Influence of Polymorphism on the Electronic Structure of Ga2O3

Source Chemistry of Materials , tbd , tbd ( 2020 )
DOI : 10.1021/acs.chemmater.0c02465 | arxiv: 2005.13395 | 3191 Cite : Bibtex RIS
J. E. N. Swallow, C. Vorwerk, P. Mazzolini, P. Vogt, O. Bierwagen, A. Karg, M. Eickhoff, J. Schörmann, M. R. Wagner, J. W. Roberts, P. R. Chalker, M. J. Smiles, P. A. E. Murgatroyd, S. A. Razek, Z. W. Lebens-Higgins, L. F. J. Piper, L. A. H. Jones, P. K. Thakur, T.-L. Lee, J. B. Varley, J. Furthmüller, C. Draxl, T. D. Veal, and A. Regoutz

4 Autor S. Niavol , M. Budde , A. Papadogianni , M. Heilmann , H. Milani Moghaddam , C. M. Aldao , G. Ligorio , E. J. W. List-Kratochvil , J. M. J. Lopes , N. Barsan , O. Bierwagen , F. Schipani
Titel

Conduction Mechanisms in Epitaxial NiO/Graphene Gas Sensors

Source Sens. Actuators B Chem. , 325 , 128797 ( 2020 )
DOI : 10.1016/j.snb.2020.128797 | 3188 Cite : Bibtex RIS
S. Niavol, M. Budde, A. Papadogianni, M. Heilmann, H. Milani Moghaddam, C. M. Aldao, G. Ligorio, E. J. W. List-Kratochvil, J. M. J. Lopes, N. Barsan, O. Bierwagen, and F. Schipani

5 Autor A. Papadogianni , J. Rombach , T. Berthold , V. Polyakov , S. Krischok , M. Himmerlich , O. Bierwagen
Titel

Two-dimensional electron gas of the In2O3 surface: Enhanced thermopower, electrical transport properties, and reduction by adsorbates or compensating acceptor doping

Source Phys. Rev. B , 102 , 075301 ( 2020 )
DOI : 10.1103/PhysRevB.102.075301 | Download: PDF | 3163 Cite : Bibtex RIS
A. Papadogianni, J. Rombach, T. Berthold, V. Polyakov, S. Krischok, M. Himmerlich, and O. Bierwagen

6 Autor J. Feldl , M. Budde , C. Tschammer , O. Bierwagen , M. Ramsteiner
Titel

Magnetic characteristics of epitaxial NiO films studied by Raman spectroscopy

Source J. Appl. Phys. , 127 , 235105 ( 2020 )
DOI : 10.1063/5.0006085 | Download: PDF | 3175 Cite : Bibtex RIS
J. Feldl, M. Budde, C. Tschammer, O. Bierwagen, and M. Ramsteiner

7 Autor P. Mazzolini , O. Bierwagen
Titel

Towards smooth (010) β-Ga2O3 films homoepitaxially grown by plasma assisted molecular beam epitaxy: The impact of substrate offcut and metal-to-oxygen flux ratio

Source J. Phys. D: Appl. Phys. , 53 , 354003 ( 2020 )
DOI : 10.1088/1361-6463/ab8eda | arxiv: 2003.05832 | 3177 Cite : Bibtex RIS
P. Mazzolini, and O. Bierwagen

8 Autor O. Bierwagen , P. Vogt , P. Mazzolini
Titel

Gallium Oxide - Plasma-Assisted Molecular Beam Epitaxy 2—Fundamentals of Suboxide-Related Growth Kinetics, Thermodynamics, Catalysis, Polymorphs, and Faceting

Source Springer Series in Materials Science , 293 , 95 ( 2020 )
DOI : 10.1007/978-3-030-37153-1_6 | 3184 Cite : Bibtex RIS
O. Bierwagen, P. Vogt, and P. Mazzolini

9 Autor G. Hoffmann , M. Budde , P. Mazzolini , O. Bierwagen
Titel

Efficient suboxide sources in oxide molecular beam epitaxy using mixed metal + oxide charges: The examples of SnO and Ga2O

Source APL Mater. , 8 , 031110 ( 2020 )
DOI : 10.1063/1.5134444 | Download: PDF | 3152 Cite : Bibtex RIS
G. Hoffmann, M. Budde, P. Mazzolini, and O. Bierwagen

10 Autor P. Mazzolini , A. Falkenstein , C. Wouters , R. Schewski , T. Markurt , Z. Galazka , M. Martin , M. Albrecht , O. Bierwagen
Titel

Substrate-orientation dependence of β-Ga2O3 (100), (010), (001), and (ˉ201) homoepitaxy by indium-mediated metal-exchange catalyzed molecular beam epitaxy (MEXCAT-MBE)

Source APL Mater. , 8 , 011107 ( 2020 )
DOI : 10.1063/1.5135772 | Download: PDF | 3156 Cite : Bibtex RIS
P. Mazzolini, A. Falkenstein, C. Wouters, R. Schewski, T. Markurt, Z. Galazka, M. Martin, M. Albrecht, and O. Bierwagen