Zobrazeno 1 - 10
of 151
pro vyhledávání: '"Kyle G. Webber"'
Publikováno v:
Journal of Materiomics, Vol 9, Iss 4, Pp 673-682 (2023)
In this study, the stress-modulated energy storage properties of lead-free polycrystalline Ba0.85Ca0.15Zr0.1Ti0.9O3 was investigated as a function of temperature from 25 °C to 55 °C. The externally applied uniaxial compressive stress of −160 MPa
Externí odkaz:
https://doaj.org/article/18bb1e127e69408393e5ca74cd243f9a
Autor:
Juliana G. Maier, Tim Fuggerer, Daisuke Urushihara, Alexander Martin, Neamul H. Khansur, Ken-ichi Kakimoto, Kyle G. Webber
Publikováno v:
Crystals, Vol 14, Iss 4, p 296 (2024)
This study investigates the development of freestanding thick films (FSFs) of lead-free (Ba,Ca)(Zr,Ti)O3 and the role of grain growth on the electromechanical response. During deposition, room temperature powder aerosol deposition rapidly produces th
Externí odkaz:
https://doaj.org/article/892acb75f884440eb71c9314a54594fa
Autor:
Udo Eckstein, Jörg Exner, Andreja Bencan Golob, Katarina Ziberna, Goran Drazic, Hana Ursic, Haiko Wittkämper, Christian Papp, Jaroslaw Kita, Ralf Moos, Kyle G. Webber, Neamul H. Khansur
Publikováno v:
Journal of Materiomics, Vol 8, Iss 6, Pp 1239-1250 (2022)
Room-temperature fabrication of functional ceramic films using powder aerosol deposition (AD) is important for practical applications. However, the as-processed ferroelectric films show unusual temperature-dependent dielectric response, including enh
Externí odkaz:
https://doaj.org/article/e1fa370e084f4ed0be6e77c5416754c1
Publikováno v:
Crystals, Vol 13, Iss 3, p 463 (2023)
Composites based on ferroelectric Na0.5K0.5NbO3 (NKN) and paraelectric Al2O3 were observed using impedance spectroscopy at different temperatures. This allowed for the evaluation of the conduction processes of the bulk and grain boundary, revealing t
Externí odkaz:
https://doaj.org/article/71d71c244766410b9dd59f951c3bd082
Publikováno v:
Journal of Materiomics, Vol 4, Iss 1, Pp 13-26 (2018)
The recent review for the Restriction of Hazardous Substances Directive (RoHS) by the expert committee, appointed by the European Union, stated that the replacement of PZT “… may be scientifically and technologically practical to a certain degree
Externí odkaz:
https://doaj.org/article/2c12d11506634df0bc500f83b0e9bc33
Autor:
Michael Bergler, Kristian Cvecek, Ferdinand Werr, Alexander Veber, Julia Schreiner, Udo R. Eckstein, Kyle G. Webber, Michael Schmidt, Dominique de Ligny
Publikováno v:
Materials, Vol 14, Iss 13, p 3584 (2021)
Evolution of spectroscopic properties of a soda–lime silicate glass with different thermal history and under applied uniaxial stress was investigated using Raman and Brillouin spectroscopies as well as Nd3+ photoluminescence techniques. Samples of
Externí odkaz:
https://doaj.org/article/ff2923ecdb8f4e9eb3c0c7c1f06f46cc
Publikováno v:
Ceramics International. 49:18809-18817
Autor:
Gina E. Eyoum, Udo Eckstein, Hana Ursic, Monica Pinto-Salazar, Gerd Buntkowsky, Pedro B. Groszewicz, Stefano Checchia, Kouichi Hayashi, Kyle G. Webber, Neamul H. Khansur
Publikováno v:
Journal of Materials Chemistry A. 11:8285-8298
The annealing temperature and cooling rate influence on the structure and functional properties in K1/2Bi1/2TiO3.
Autor:
Udo Eckstein, Neamul H. Khansur, Daisuke Urushihara, Toru Asaka, Ken-ichi Kakimoto, Tobias Fey, Kyle G. Webber
Publikováno v:
Ceramics International. 48:33082-33091
Autor:
Ahmed Gadelmawla, David Dobesh, Udo Eckstein, Oliver Grübl, Matthias Ehmke, Maria Rita Cicconi, Neamul H. Khansur, Dominique de Ligny, Kyle G. Webber
Publikováno v:
Journal of Materials Science. 57:16581-16599
The influence of stress on the phase boundaries of polycrystalline lead-free perovskite (1 − x)Ba(Zr0.2Ti0.8)O3–x(Ba0.7Ca0.3)TiO3 (x = 0.4, 0.5, and 0.6) was characterized through the temperature- and stress-dependent small-signal dielectric and