Ferroelectric Polarization-Switching Dynamics and Wake-Up Effect in Si-Doped HfO2

2018 ◽  
Vol 11 (3) ◽  
pp. 3142-3149 ◽  
Author(s):  
Tae Yoon Lee ◽  
Kyoungjun Lee ◽  
Hong Heon Lim ◽  
Myeong Seop Song ◽  
Sang Mo Yang ◽  
...  
Keyword(s):  
Polarization Switching ◽  
Ferroelectric Polarization ◽  
Switching Dynamics ◽  
Si Doped

scholarly journals Thin films of vinylidene fluoride copolymer with tetrafluoroethylene: dynamics of ferroelectric polarization switching

2020 ◽  
Vol 21 (1) ◽  
pp. 43-51
Author(s):  
S. N. Fedosov ◽  
A. E. Sergeeva
Keyword(s):  
Thin Films ◽  
Space Charge ◽  
Polyvinylidene Fluoride ◽  
Vinylidene Fluoride ◽  
Polarization Switching ◽  
Ferroelectric Polarization ◽  
Relaxation Processes ◽  
Switching Dynamics ◽  
Additional Processing ◽  
Electrical Induction

The vinylidene fluoride copolymer with tetrafluoroethylene P(VDF-TFE) is a typical ferroelectric polymer that has not been sufficiently studied so far in comparison with pure polyvinylidene fluoride (PVDF) and its copolymer with trifluoroethylene. The purpose of this work was to reveal the features of forming ferroelectric polarization and its switching in thin films of P(VDF-TFE) under various conditions, such as the level of the applied electric field and the duration of its action within 8 orders of magnitude from 10 μs to 100 s. The sequence of voltage pulses applied during poling and polarization reversal allowed to reveal the characteristics of the polarization switching dynamics. To increase the resolution of the measurements, two complementary methods of recording electrical induction were used. The features of polarization and space charge relaxation over time have been studied by thermally stimulated depolarization method. A new phenomenon of gradual separation of the relaxation processes associated with polarization and space charge was observed. Both components were accompanied by trapped charges that compensated the depolarizing field. Several practical recommendations have been formulated regarding the desirable values of poling parameters and additional processing to increase the ferroelectric polarization stability.

Implementation of an electrically modifiable artificial synapse based on ferroelectric field-effect transistors using Al-doped HfO2 thin films

Nanoscale ◽  
2020 ◽  
Vol 12 (25) ◽  
pp. 13421-13430 ◽  
Author(s):  
So-Jung Yoon ◽  
Seung-Eon Moon ◽  
Sung-Min Yoon
Keyword(s):  
Thin Films ◽  
Field Effect ◽  
Field Effect Transistors ◽  
Polarization Switching ◽  
Ferroelectric Polarization ◽  
Gate Insulators ◽  
Switching Dynamics ◽  
Artificial Synapse

Biological synaptic behaviors such as short-/long-term plasticity were implemented by ferroelectric polarization switching dynamics of Al-doped HfO2 ferroelectric gate insulators.

Effect of wake-up on the polarization switching dynamics of Si doped HfO2 thin films with imprint

2020 ◽  
Vol 823 ◽  
pp. 153777 ◽  
Author(s):  
Min Chul Chun ◽  
Sanghyun Park ◽  
Solmin Park ◽  
Ga-yeon Park ◽  
Min Jin Kim ◽  
...  
Keyword(s):  
Thin Films ◽  
Polarization Switching ◽  
Switching Dynamics ◽  
Si Doped

Ferroelectric Polarization Switching Dynamics and Domain Growth of Triglycine Sulfate and Imidazolium Perchlorate

2016 ◽  
Vol 2 (6) ◽  
pp. 1600038 ◽  
Author(s):  
He Ma ◽  
Wenxiu Gao ◽  
Junling Wang ◽  
Tom Wu ◽  
Guoliang Yuan ◽  
...  
Keyword(s):  
Polarization Switching ◽  
Triglycine Sulfate ◽  
Domain Growth ◽  
Ferroelectric Polarization ◽  
Switching Dynamics

Ferroelectric Polarization Switching in Sodium Nitrite

1963 ◽  
Vol 18 (8) ◽  
pp. 1229-1230 ◽  
Author(s):  
Ichiro Hatta ◽  
Shozo Sawada ◽  
Yohko Asao ◽  
Taketoshi Yanagi
Keyword(s):  
Sodium Nitrite ◽  
Polarization Switching ◽  
Ferroelectric Polarization

Polarization-switching dynamics and microstructures of ferroelectric (Bi0.5Na0.5)TiO3 single crystals

2013 ◽  
Vol 62 (7) ◽  
pp. 1035-1040
Author(s):  
Ken Yanai ◽  
Hiroaki Onozuka ◽  
Yuuki Kitanaka ◽  
Yuji Noguchi ◽  
Masaru Miyayama ◽  
...  
Keyword(s):  
Single Crystals ◽  
Polarization Switching ◽  
Switching Dynamics
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