scholarly journals Electric-field-induced paraelectric to ferroelectric phase transformation in prototypical polycrystalline BaTiO3

2014 ◽  
Vol 105 (16) ◽  
pp. 161903 ◽  
Author(s):  
Zhiyang Wang ◽  
Kyle G. Webber ◽  
Jessica M. Hudspeth ◽  
Manuel Hinterstein ◽  
John E. Daniels
Keyword(s):  
Phase Transformation ◽  
Electric Field ◽  
Ferroelectric Phase

scholarly journals Paraelectric/antiferroelectric/ferroelectric phase transformation in As-deposited ZrO2 thin films by the TiN capping engineering

2020 ◽  
Vol 195 ◽  
pp. 109020
Author(s):  
Chun-Yuan Wang ◽  
Chin-I Wang ◽  
Sheng-Han Yi ◽  
Teng-Jan Chang ◽  
Chun-Yi Chou ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Transformation ◽  
Ferroelectric Phase

Anisotropy of band gap absorption in TlGaSe2 semiconductor by ferroelectric phase transformation

2014 ◽  
Vol 105 (24) ◽  
pp. 242107 ◽  
Author(s):  
Karolis Gulbinas ◽  
Vytautas Grivickas ◽  
Vladimir Gavryushin
Keyword(s):  
Phase Transformation ◽  
Band Gap ◽  
Ferroelectric Phase

Cerium oxide capping on Y-doped HfO2 films for ferroelectric phase stabilization with endurance improvement

2021 ◽  
Author(s):  
Kazuto Mizutani ◽  
Takuya HOSHII ◽  
Hitoshi WAKABAYASHI ◽  
Kazuo TSUTSUI ◽  
Edward Yi Chang ◽  
...  
Keyword(s):  
Activation Energy ◽  
Phase Transformation ◽  
Cerium Oxide ◽  
Remnant Polarization ◽  
Ferroelectric Phase ◽  
Filament Formation ◽  
Conductive Filament ◽  
Phase Stabilization ◽  
Different Temperatures ◽  
Ferroelectric Switching

Abstract The effects of 1-nm-thick CeOx capping on 7.5-nm-thick Y-doped HfO2 films on the ferroelectric characteristics are investigated. From the ferroelectric characteristics of the samples annealed at different temperatures from 450 to 600oC and annealing durations, the time (τ) required to stabilize the ferroelectric phase at each temperature was shortened by the capping. The identical activation energy (Ea) of 2.65 eV for ferroelectric stabilization without and with capping suggests the same kinetics for phase transformation. However, an increase in the remnant polarization (Pr) was obtained. Only a few Ce atoms diffused into the underlying HfO2 film even after 600oC annealing. Ferroelectric switching tests revealed an improvement in endurance from 107 to 1010 by the capping, presumably owing to the suppression of conductive filament formation. Therefore, CeOx capping is effective in promoting the ferroelectric phase in HfO2 with high switching endurance.

Electrocaloric fatigue of lead magnesium niobate mediated by an electric-field-induced phase transformation

2019 ◽  
Vol 169 ◽  
pp. 275-283 ◽  
Author(s):  
Andraž Bradeško ◽  
Lovro Fulanović ◽  
Marko Vrabelj ◽  
Mojca Otoničar ◽  
Hana Uršič ◽  
...  
Keyword(s):  
Phase Transformation ◽  
Electric Field ◽  
Lead Magnesium Niobate ◽  
Magnesium Niobate ◽  
Lead Magnesium
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