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Articles, 2 records found
Articles 2 records found  
1.
12 p, 5.0 MB Phonon bridge effect in superlattices of thermoelectric tinisn/hfnisn with controlled interface intermixing / Heinz, Sven (Johannes Gutenberg University. Institute of Physics) ; Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ; Trapp, Maximilian (Darmstadt University of Technology. Institute of Applied Geosciences) ; Kleebe, Hans-Joachim (Institut Català de Nanociència i Nanotecnologia) ; Jakob, Gerhard (Johannes Gutenberg Universität Mainz. Graduate School of Excellence Materials Science)
The implementation of thermal barriers in thermoelectric materials improves their power conversion rates effectively. For this purpose, material boundaries are utilized and manipulated to affect phonon transmissivity. [...]
2020 - 10.3390/nano10061239
Nanomaterials, Vol. 10, issue 6 (June 2020) , art. 1239  
2.
36 p, 2.1 MB Subamorphous thermal conductivity of crystalline half-Heusler superlattices / Chávez Ángel, Emigdio (Johannes Gutenberg-Universität Mainz. Institut für Physik) ; Reuter, N. (Johannes Gutenberg-Universität Mainz. Institut für Physik) ; Komar, P. (Johannes Gutenberg-Universität Mainz. Institut für Physik) ; Heinz, Sven (Johannes Gutenberg-Universität Mainz. Institut für Physik) ; Kolb, U. (Johannes Gutenberg-Universität Mainz. Institut für anorganische und analytische Chemie) ; Kleebe, H. J. (Technische Universität Darmstadt. Institut für Angewandte Geowissenschaften) ; Jakob, Gerhard (Johannes Gutenberg-Universität Mainz. Institut für Physik)
The quest to improve the thermoelectric figure of merit has mainly followed the roadmap of lowering the thermal conductivity while keeping unaltered the power factor of the material. Ideally an electron-crystal phonon-glass system is desired. [...]
2019 - 10.1080/15567265.2018.1505987
Nanoscale and microscale thermophysical engineering, Vol. 23, issue 1 (August 2019) , p. 1-9  

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2 Heinz, Sven
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