Zobrazeno 1 - 10
of 153
pro vyhledávání: '"Benjamin Balke"'
Autor:
Dennis Michael Jöckel, Songhak Yoon, Alexander Frebel, Samuel Meles Neguse, Jürgen Dieter Rossa, Alexander Jürgen Bett, Martin Schubert, Marc Widenmeyer, Benjamin Balke–Grünewald, Anke Weidenkaff
Publikováno v:
Advanced Photonics Research, Vol 5, Iss 5, Pp n/a-n/a (2024)
As numerous studies on highly efficient perovskite solar cells have been conducted on lead‐based light absorbers, such as MAPbI3 and FAPbI3, increasing concerns are rising regarding toxicity and stability issues. One of the most prominent and promi
Externí odkaz:
https://doaj.org/article/40400c654bd34088a18e5d77e8988259
Autor:
Samuel M. Neguse, Songhak Yoon, Alexander Frebel, Dennis M. Jöckel, Marc Widenmeyer, Stefan Lange, Arnulf Rosspeintner, Stefan G. Ebbinghaus, Christian Hagendorf, Benjamin Balke, Anke Weidenkaff
Publikováno v:
Advanced Photonics Research, Vol 4, Iss 12, Pp n/a-n/a (2023)
Pb‐free halide perovskites have recently attracted immense attention due to the number of advantages in their optical and electronic properties. However, tuning the optical bandgap with minimized amounts of point defects is a particularly challengi
Externí odkaz:
https://doaj.org/article/aa893517d6084de5aa9989a0ba8d4471
Autor:
Alexander Frebel, Songhak Yoon, Samuel Meles Neguse, Dennis M. Jöckel, Marc Widenmeyer, Stefan Lange, Volker Naumann, Arnulf Rosspeintner, Stefan G. Ebbinghaus, Benjamin Balke, Anke Weidenkaff
Publikováno v:
Advanced Photonics Research, Vol 3, Iss 11, Pp n/a-n/a (2022)
The amount and type of defects in Cs2AgBiBr6 are controlled by varying the Ag/Bi ratio of the precursor solutions in two different synthesis routes, that is, slow solution cooling crystallization and fast microwave‐assisted hydrothermal synthesis.
Externí odkaz:
https://doaj.org/article/f3c24f17d61b4d239902b5d7ce6d5ee4
Publikováno v:
Science and Technology of Advanced Materials, Vol 21, Iss 1, Pp 122-130 (2020)
N-type half-Heusler NbCoSn is a promising thermoelectric material due to favourable electronic properties. It has attracted much attention for thermoelectric applications while the desired p-type NbCoSn counterpart shows poor thermoelectric performan
Externí odkaz:
https://doaj.org/article/dbd9d04766634461a1255a9ec8c17007
Publikováno v:
Molecules, Vol 25, Iss 24, p 5919 (2020)
The present work elaborates on the correlation between the amount and ordering of the free carbon phase in silicon oxycarbides and their charge carrier transport behavior. Thus, silicon oxycarbides possessing free carbon contents from 0 to ca. 58 vol
Externí odkaz:
https://doaj.org/article/b5eca28526dd4dc797808ffec88bf66d
Autor:
Rolf Stinshoff, Gerhard H. Fecher, Stanislav Chadov, Ajaya K. Nayak, Benjamin Balke, Siham Ouardi, Tetsuya Nakamura, Claudia Felser
Publikováno v:
AIP Advances, Vol 7, Iss 10, Pp 105009-105009-15 (2017)
The cubic Heusler compound Mn1.5FeV0.5Al with the L21 Heusler structure is the first fully compensated half-metallic ferrimagnet with 24 valence electrons. The ferrimagnetic state can be tuned by changing the composition such that the compensation po
Externí odkaz:
https://doaj.org/article/1b05b831e6b243029d1a1cc22715d857
Autor:
Paulina Komar, Emigdio Chávez-Ángel, Christoph Euler, Benjamin Balke, Ute Kolb, Mathis M. Müller, Hans-Joachim Kleebe, Gerhard H. Fecher, Gerhard Jakob
Publikováno v:
APL Materials, Vol 4, Iss 10, Pp 104902-104902-7 (2016)
Thermoelectric modules based on half-Heusler compounds offer a cheap and clean way to create eco-friendly electrical energy from waste heat. Here we study the impact of the period composition on the electrical and thermal properties in non-symmetric
Externí odkaz:
https://doaj.org/article/523956ddde2045aa8f3d15cb4e8d9ea4
Autor:
Paulina Komar, Gerhard H. Fecher, Gerhard Jakob, Hans-Joachim Kleebe, Mathis M. Müller, Benjamin Balke, Christoph Euler, Ute Kolb, Emigdio Chavez-Angel
Publikováno v:
APL Materials, Vol 4, Iss 10, Pp 104902-104902-7 (2016)
Thermoelectric modules based on half-Heusler compounds offer a cheap and clean way to create eco-friendly electrical energy from waste heat. Here we study the impact of the period composition on the electrical and thermal properties in non-symmetric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09d5d244f9fca8e804e2d7d785565873
Publikováno v:
APL Materials, Vol 3, Iss 4, Pp 041516-041516-8 (2015)
The carrier concentration in the p-type half-Heusler compound Ti0.3Zr0.35Hf0.35CoSb1−xSnx was optimized, which is a fundamental approach to enhance the performance of thermoelectric materials. The optimum carrier concentration is reached with a sub
Externí odkaz:
https://doaj.org/article/7714f2a9ac854d74a7da1d0b83aea5cc
Autor:
Chen Shen, Benjamin Balke, Songhak Yoon, Hongbin Zhang, Ruijuan Yan, Wei Li, Ruiwen Xie, Wenjie Xie, Anke Weidenkaff
The half-Heusler (HH) compound NbCoSn with 18 valence electrons is a promising thermoelectric (TE) material due to its appropriate electrical properties as well as its suitable thermal and chemical stability. Nowadays, doping/substitution and tailori
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73296494dc65db50f7a493ec299b0bb5
https://publica.fraunhofer.de/handle/publica/269266
https://publica.fraunhofer.de/handle/publica/269266