Nanofabrication

Dr. Oliver Bierwagen

Senior Scientist

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

 

 

11 Author P. Vogt , F. V. E. Hensling , K. Azizie , C. S. Chang , D. Turner , J. Park , J. P. McCandless , H. Paik , B. J. Bocklund , G. Hoffmann , O. Bierwagen , D. Jena , H. G. Xing , S. Mou , D. A. Muller , S.-L. Shang , Z.-K. Liu , D. G. Schlom
Title

Adsorption-controlled growth of Ga2O3 by suboxide molecular-beam epitaxy

Source APL Mater. , 9 , 031101 ( 2021 )
DOI : 10.1063/5.0035469 | Download: PDF | 3229 Cite : Bibtex RIS
P. Vogt, F. V. E. Hensling, K. Azizie, C. S. Chang, D. Turner, J. Park, J. P. McCandless, H. Paik, B. J. Bocklund, G. Hoffmann, O. Bierwagen, D. Jena, H. G. Xing, S. Mou, D. A. Muller, S.-L. Shang, Z.-K. Liu, and D. G. Schlom

12 Author B. M. Janzen , P. Mazzolini , R. Gillen , A. Falkenstein , M. Martin , H. Tornatzky , J. Maultzsch , O. Bierwagen , M. R. Wagner
Title

Isotopic study of Raman active phonon modes in beta-Ga2O3

Source J. Mater. Chem. C , 9 , 2311 ( 2021 )
DOI : 10.1039/D0TC04101G | 3208 Cite : Bibtex RIS
B. M. Janzen, P. Mazzolini, R. Gillen, A. Falkenstein, M. Martin, H. Tornatzky, J. Maultzsch, O. Bierwagen, and M. R. Wagner

13 Author M. Budde , D. Splith , P. Mazzolini , A. Tahraoui , J. Feldl , M. Ramsteiner , H. von Wenckstern , M. Grundmann , O. Bierwagen
Title

SnO/beta-Ga2O3 vertical pn heterojunction diodes

Source Appl. Phys. Lett. , 117 , 252106 ( 2020 )
DOI : 10.1063/5.0031442 | Download: PDF | 3220 Cite : Bibtex RIS
M. Budde, D. Splith, P. Mazzolini, A. Tahraoui, J. Feldl, M. Ramsteiner, H. von Wenckstern, M. Grundmann, and O. Bierwagen

14 Author M. Budde , P. Mazzolini , J. Feldl , C. Golz , T. Nagata , S. Ueda , G. Hoffmann , F. Hatami , W. T. Masselink , M. Ramsteiner , O. Bierwagen
Title

Plasma-assisted molecular beam epitaxy of SnO(001) films: Metastability, hole transport properties, Seebeck coefficient, and effective hole mass

Source Phys. Rev. Mater. , 4 , 124602 ( 2020 )
DOI : 10.1103/physrevmaterials.4.124602 | Download arXiv: 2007.13448v2 | 3234 Cite : Bibtex RIS
M. Budde, P. Mazzolini, J. Feldl, C. Golz, T. Nagata, S. Ueda, G. Hoffmann, F. Hatami, W. T. Masselink, M. Ramsteiner, and O. Bierwagen

15 Author P. Mazzolini , A. Falkenstein , Z. Galazka , M. Martin , O. Bierwagen
Title

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

16 Author J. Kamimura , M. Budde , P. Bogdanoff , C. Tschammer , F. F. Abdi , R. van de Krol , O. Bierwagen , H. Riechert , L. Geelhaar
Title

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

Source Sol. RRL , 4 , 2000568 ( 2020 )
DOI : 10.1002/solr.202000568 | 3172 Cite : Bibtex RIS
J. Kamimura, M. Budde, P. Bogdanoff, C. Tschammer, F. F. Abdi, R. van de Krol, O. Bierwagen, H. Riechert, and L. Geelhaar

17 Author 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
Title

Influence of Polymorphism on the Electronic Structure of Ga2O3

Source Chemistry of Materials , 32 , 8460 ( 2020 )
DOI : 10.1021/acs.chemmater.0c02465 | Download 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

18 Author 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
Title

Conduction Mechanisms in Epitaxial NiO/Graphene Gas Sensors

Source Sens. Actuators B Chem. , 325 , 128797 ( 2020 )
DOI : 10.1016/j.snb.2020.128797 | Download arXiv: 2010.02914 | 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

19 Author A. Papadogianni , J. Rombach , T. Berthold , V. Polyakov , S. Krischok , M. Himmerlich , O. Bierwagen
Title

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

20 Author J. Feldl , M. Budde , C. Tschammer , O. Bierwagen , M. Ramsteiner
Title

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