Zobrazeno 1 - 10
of 178
pro vyhledávání: '"Marco Schowalter"'
Autor:
Christoph Mahr, Jakob Stahl, Beeke Gerken, Valentin Baric, Max Frei, Florian F. Krause, Tim Grieb, Marco Schowalter, Thorsten Mehrtens, Einar Kruis, Lutz Mädler, Andreas Rosenauer
Publikováno v:
Nano Select, Vol 5, Iss 4, Pp n/a-n/a (2024)
Abstract Formation of hetero‐contacts between particles of different materials in nanoparticle hetero‐aggregates can lead to new functional properties. Improvement of the functional behavior requires a detailed characterization of mixing between
Externí odkaz:
https://doaj.org/article/bb5f6c734fc04ee5ab2b8e90a9c1c3a9
Autor:
Martin S. Williams, Manuel Alonso-Orts, Marco Schowalter, Alexander Karg, Sushma Raghuvansy, Jon P. McCandless, Debdeep Jena, Andreas Rosenauer, Martin Eickhoff, Patrick Vogt
Publikováno v:
APL Materials, Vol 12, Iss 1, Pp 011120-011120-10 (2024)
The growth of α-Ga2O3 and α-(InxGa1−x)2O3 on m-plane α-Al2O3(101̄0) by molecular beam epitaxy (MBE) and metal-oxide-catalyzed epitaxy (MOCATAXY) is investigated. By systematically exploring the parameter space accessed by MBE and MOCATAXY, phas
Externí odkaz:
https://doaj.org/article/a2c71875ecf049b0960eae6d9ef3b1fd
Autor:
Sushma Raghuvansy, Jon P. McCandless, Marco Schowalter, Alexander Karg, Manuel Alonso-Orts, Martin S. Williams, Christian Tessarek, Stephan Figge, Kazuki Nomoto, Huili Grace Xing, Darrell G. Schlom, Andreas Rosenauer, Debdeep Jena, Martin Eickhoff, Patrick Vogt
Publikováno v:
APL Materials, Vol 12, Iss 1, Pp 019902-019902-2 (2024)
Externí odkaz:
https://doaj.org/article/1f93b8c165814eefbab42bae4052ab4d
Autor:
Sushma Raghuvansy, Jon P. McCandless, Marco Schowalter, Alexander Karg, Manuel Alonso-Orts, Martin S. Williams, Christian Tessarek, Stephan Figge, Kazuki Nomoto, Huili Grace Xing, Darrell G. Schlom, Andreas Rosenauer, Debdeep Jena, Martin Eickhoff, Patrick Vogt
Publikováno v:
APL Materials, Vol 11, Iss 11, Pp 111113-111113-9 (2023)
The heteroepitaxial growth and phase formation of Ga2O3 on Al-polar AlN(0001) templates by molecular-beam epitaxy (MBE) are studied. Three different MBE approaches are employed: (i) conventional MBE, (ii) suboxide MBE (S-MBE), and (iii) metal-oxide-c
Externí odkaz:
https://doaj.org/article/55fc387ea21341fa85b9ac3f654ec8b4
Autor:
Alexander Karg, Alexander Hinz, Stephan Figge, Marco Schowalter, Patrick Vogt, Andreas Rosenauer, Martin Eickhoff
Publikováno v:
APL Materials, Vol 11, Iss 9, Pp 091114-091114-9 (2023)
The influence of In on the growth of ɛ-Ga2O3 by plasma-assisted molecular beam epitaxy is investigated. We demonstrate alloying of ɛ-Ga2O3 with In and describe its incorporation limits and catalytic effect on the growth kinetics. A special focus li
Externí odkaz:
https://doaj.org/article/9e6621618ee34c54908556040014bac2
Autor:
Christoph Mahr, Jorge Adrian Tapia Burgos, Marco Schowalter, Arne Wittstock, Andreas Rosenauer
Publikováno v:
Materials Research Letters, Vol 10, Iss 12, Pp 824-831 (2022)
Nanoporous gold as obtained by corrosion of alloys of gold and a less noble metal is a system with manifold applications. The process of dealloying, however, can result in partially porous samples, when dealloying conditions are not optimized with re
Externí odkaz:
https://doaj.org/article/15e739e7f611495faf70843465ae75cc
Autor:
Christoph Mahr, Knut Müller-Caspary, Matthias Graf, Anastasia Lackmann, Tim Grieb, Marco Schowalter, Florian F. Krause, Thorsten Mehrtens, Arne Wittstock, Jörg Weissmüller, Andreas Rosenauer
Publikováno v:
Materials Research Letters, Vol 6, Iss 1, Pp 84-92 (2018)
Reversible macroscopic length changes in nanoporous structures can be achieved by applying electric potentials or by exposing them to different gases or liquids. Thus, these materials are interesting candidates for applications as sensors or actuator
Externí odkaz:
https://doaj.org/article/40ec3464803d4799ab4b7876fdf2a9a3
Publikováno v:
Materials, Vol 14, Iss 9, p 2395 (2021)
The film thickness plays an important role in the performance of materials applicable to different technologies including chemical sensors, catalysis and/or energy materials. The relationship between the surface and volume of the functional layers is
Externí odkaz:
https://doaj.org/article/f7aeea1014c8429298d642b39ef1fe89
Autor:
Ira V. Rozhdestvenskaya, Enrico Mugnaioli, Marco Schowalter, Martin U. Schmidt, Michael Czank, Wulf Depmeier, Andreas Rosenauer
Publikováno v:
IUCrJ, Vol 4, Iss 3, Pp 223-242 (2017)
Denisovite is a rare mineral occurring as aggregates of fibres typically 200–500 nm diameter. It was confirmed as a new mineral in 1984, but important facts about its chemical formula, lattice parameters, symmetry and structure have remained incomp
Externí odkaz:
https://doaj.org/article/18eeef0c6081475ca5731ccd3babea63
Autor:
Beeke Gerken, Christoph Mahr, Jakob Stahl, Tim Grieb, Marco Schowalter, Florian F. Krause, Thorsten Mehrtens, Lutz Mädler, Andreas Rosenauer
Publikováno v:
Particle & Particle Systems Characterization.