Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Devendraprakash Gautam"'
Publikováno v:
APL Materials, Vol 7, Iss 3, Pp 031102-031102-8 (2019)
In this work, we report the optimization of annealing process to improve the thermoelectric properties of pulse electrodeposited bismuth antimony telluride (Bi–Sb–Te) films by varying the annealing time-temperature profile. The innovative approac
Externí odkaz:
https://doaj.org/article/f6b1e7ae593a46e9a35c0e9470426776
Autor:
Branko Matović, Vesna Maksimović, Dušan Bučevac, Jelena Pantić, Jelena Luković, Tatjana Volkov-Husović, Devendraprakash Gautam
Publikováno v:
Processing and Application of Ceramics, Vol 8, Iss 1, Pp 31-38 (2014)
The fabrication of SiC-HfC ceramic composite via self-propagating high-temperature synthesis and simultaneous consolidation was investigated. Dense composite consisting of alternating layers of SiC and HfC was obtained by spark plasma sintering of st
Externí odkaz:
https://doaj.org/article/6fb3bd86ff754a458af98d7a0453640c
Autor:
Kafil M. Razeeb, Naveen K. Balla, Ryan Enright, Swatchith Lal, Devendraprakash Gautam, David McCloskey, Simon Corbett, Kenny Yu, Graeme Cunningham
Publikováno v:
ACS Applied Materials & Interfaces. 13:1773-1782
Thin-film thermoelectric coolers are emerging as a viable option for the on-chip temperature management of electronic and photonic integrated circuits. In this work, we demonstrate the record heat flux handling capability of electrodeposited Bi2Te3 f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e627a3583187b6e64de353595d5a069
https://doi.org/10.1021/acsami.0c16614
https://doi.org/10.1021/acsami.0c16614
Publikováno v:
ACS applied electronic materials. 3(4)
Bismuth telluride-based alloys are the most efficient thermoelectric materials near room temperature and widely used in commercial thermoelectric devices. Nevertheless, their thermoelectric performance needs to be improved further for wide-scale impl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee410a9c0e6ad3fe975426c80cec6c7d
https://pubmed.ncbi.nlm.nih.gov/35156045
https://pubmed.ncbi.nlm.nih.gov/35156045
Bismuth telluride-based alloys are the best-known thermoelectric materials in the room-temperature regime. Here, we report on the enhanced thermoelectric properties of electrodeposited copper-doped tellurium films as an n-type thermoelectric material
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d8264cc229b66043712b8096abdfe48
https://hdl.handle.net/10468/10489
https://hdl.handle.net/10468/10489
Autor:
Jan Kubik, Fathima Laffir, Syed A. M. Tofail, Devendraprakash Gautam, Shane Geary, Vasily A. Lebedev, Ehtsham Ul-Haq, Luke Guinane, Sergey Beloshapkin, Bernard Patrick Stenson
peer-reviewed In the nanometric regime, alumina films are often deposited by ALD methods yet in industrial applications, sputtered films thinner than 40 nm are used and research into those is sparse. Here, we investigated the nanoscale topography and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a541ac54dfaae2b22f7a252684da66f
Autor:
Devendraprakash Gautam, Helfried Näfe
Publikováno v:
The Journal of Physical Chemistry C. 120:10523-10529
It is demonstrated that the theoretical foundation for the existence of metastable nonmonoclinic zirconia due to nanocrystallinity contradicts the fundamental aspects of the classical nucleation theory. As a consequence, the stabilization of the ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e837df945c8b1e1a633032703f8497db
https://doi.org/10.1021/acs.jpcc.6b00512
https://doi.org/10.1021/acs.jpcc.6b00512
Publikováno v:
Materials Chemistry and Physics. 173:438-445
This work presents the template based pulsed potential electrodeposition technique of highly textured single crystalline bismuth antimony telluride (Bi1-xSbx)2Te3 nanowires from a single aqueous electrolyte. Cyclic voltammetry was used as an electroa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f68eb941fbf81ad030b65420fc0843c
https://doi.org/10.1016/j.matchemphys.2016.02.035
https://doi.org/10.1016/j.matchemphys.2016.02.035
Publikováno v:
2018 IEEE 18th International Conference on Nanotechnology (IEEE-NANO).
The work demonstrates and discusses the fabrication of micro thermoelectric cooler $(\mu$ -TEC) for thermal management of photonic devices. The device is fabricated using cost-effective electrodeposition technique on silicon wafer with 210 pairs of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b502e6ac22d15eed7db8cb0812c11c66
https://doi.org/10.1109/nano.2018.8626304
https://doi.org/10.1109/nano.2018.8626304
Autor:
Doru C. Lupascu, Yanling Gao, Morad Etier, Carolin Schmitz-Antoniak, Joachim Landers, Markus Winterer, Devendraprakash Gautam, Ahmadshah Nazrabi, Soma Salamon, Heiko Wende, D. Schmitz, Vladimir V. Shvartsman, Harsh Trivedi
Publikováno v:
Acta Materialia. 90:1-9
In this article we report on the synthesis and multiferroic properties of cobalt ferrite (CoFe2O4)–barium titanate (BaTiO3) biphasic composites. The initial composite nanopowder was synthesized by a combination of co-precipitation and organosol met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78abe8473e0c7e11245be107698dd8f2
https://doi.org/10.1016/j.actamat.2015.02.032
https://doi.org/10.1016/j.actamat.2015.02.032