scholarly journals In situ monitoring of electric field effect on domain wall motion in Co ultrathin films in direct contact with an electrolyte

2019 ◽  
Vol 115 (3) ◽  
pp. 032402 ◽  
Author(s):  
A. D. Lamirand ◽  
J.-P. Adam ◽  
D. Ravelosona ◽  
P. Allongue ◽  
F. Maroun
Keyword(s):  
Domain Wall ◽  
Electric Field ◽  
Ultrathin Films ◽  
Direct Contact ◽  
Field Effect ◽  
Wall Motion ◽  
Domain Wall Motion ◽  
In Situ Monitoring ◽  
Electric Field Effect

scholarly journals Effect of Electric Field and Temperature on Average Structure and Domain Wall Motion in 0.93Bi0.5Na0.5TiO3-0.07BaTiO3Ceramic

2013 ◽  
Vol 2013 ◽  
pp. 1-4
Author(s):  
Jian Wang ◽  
Yun Liu ◽  
Andrew Studer ◽  
Lasse Norén ◽  
Ray Withers
Keyword(s):  
Phase Transition ◽  
Domain Wall ◽  
Electric Field ◽  
Wall Motion ◽  
Domain Wall Motion ◽  
High Temperature Phase ◽  
Temperature Phase ◽  
Temperature Phase Transition ◽  
Diffraction Patterns

In situneutron powder diffraction patterns and dielectric spectra of 0.93Bi0.5Na0.5TiO3-0.07BaTiO3ceramic were investigated under different electrical fields and temperatures. An electric-field-induced phase transition from metrically cubic to metrically tetragonal, associated with strong domain wall motion, occurs. Such induced phase and domain wall motion are unchanged until the high-temperature phase transition occurs from metrically tetragonal to metrically cubic. All these changes are irrelevant to the observed depolarization temperature (75°C). The depolarization behaviour is thus suggested to be associated with the local structure caused by the octahedral tilt twinning disorder.

Observations of Magnetic Domain Structure Change in Nd2Fe14B Magnets at Elevated Temperature with External Magnetic Field by Lorentz Microscopy

2015 ◽  
Vol 1754 ◽  
pp. 31-36 ◽  
Author(s):  
Toshimasa Suzuki ◽  
Koichi Kawahara ◽  
Haruka Tanaka ◽  
Kimihiro Ozaki
Keyword(s):  
Elevated Temperature ◽  
Domain Wall ◽  
Wall Motion ◽  
Magnetic Domain ◽  
Domain Wall Motion ◽  
Magnetic Domain Wall ◽  
Lorentz Microscopy ◽  
Pinning Effect ◽  
In Situ Observations

ABSTRACTIn this study, we conducted the in-situ observations of the magnetic domain structure change in Nd2Fe14B magnets at elevated temperature by transmission electron microscopy (TEM) / Lorentz microscopy. The in-situ observations in Nd2Fe14B magnets revealed that the magnetization reversal easily occurred at the elevated temperature. At more than 180°C, the magnetic domain wall motion could be observed by applying the magnetic field of less than 20 mT. The motion of the magnetic domain wall was discontinuous and the domain wall jumped to one grain boundary to the neighboring grain boundary at 180°C. On the other hand, the continuous domain wall motion within grain interior as well as discontinuous domain wall motion was observed at 225°C, and some grain boundaries showed still strong pinning effect even at 225°C. The temperature dependence of the pinning effect of grain boundaries would not uniform.

Electric Field Driven Magnetic Domain Wall Motion in Iron Garnet Films

2009 ◽  
Vol 152-153 ◽  
pp. 143-146 ◽  
Author(s):  
A. Logginov ◽  
G. Meshkov ◽  
A. Nikolaev ◽  
E. Nikolaeva ◽  
A. Pyatakov ◽  
...  
Keyword(s):  
Domain Wall ◽  
Electric Field ◽  
Wall Motion ◽  
Magnetic Domain ◽  
Domain Wall Motion ◽  
Gadolinium Gallium Garnet ◽  
Magnetic Domain Wall ◽  
Garnet Films ◽  
Dynamic Observation ◽  
Iron Garnet

The room temperature magnetoelectric effect was observed in epitaxial iron garnet films that appeared as magnetic domain wall motion induced by electric field. The films grown on gadolinium-gallium garnet substrates with various crystallographic orientations were examined. The effect was observed in (210) and (110) films and was not observed in (111) films. Dynamic observation of the domain wall motion in 800 kV/cm electric field pulses gave the domain wall velocity in the range 30÷50 m/s. Similar velocity was achieved in magnetic field pulse about 50 Oe.

Dynamics of domain-wall motion in ferroelectric liquid crystals in an electric field

2009 ◽  
Vol 51 (11) ◽  
pp. 2415-2420 ◽  
Author(s):  
A. L. Andreev ◽  
I. N. Kompanets ◽  
T. B. Andreeva ◽  
Yu. P. Shumkina
Keyword(s):  
Liquid Crystals ◽  
Domain Wall ◽  
Electric Field ◽  
Wall Motion ◽  
Domain Wall Motion ◽  
Ferroelectric Liquid Crystals

Defect-mediated domain-wall motion and enhanced electric-field-induced strain in hot-pressed K0.5Na0.5NbO3 lead-free piezoelectric ceramics

2021 ◽  
Vol 129 (2) ◽  
pp. 024102
Author(s):  
Yi-Xuan Liu ◽  
Hao-Cheng Thong ◽  
Yue-Yu-Shan Cheng ◽  
Jia-Wang Li ◽  
Ke Wang
Keyword(s):  
Domain Wall ◽  
Electric Field ◽  
Wall Motion ◽  
Domain Wall Motion ◽  
Piezoelectric Ceramics ◽  
Lead Free ◽  
Electric Field Induced Strain

In-situ Observation of Domain Wall Motion in Electroplated Ni80-Fe20 Thin Film by Lorentz TEM and DPC Imaging

2017 ◽  
Vol 22 (4) ◽  
pp. 563-569 ◽  
Author(s):  
Su Jin Lee ◽  
Hyo-Jong Lee ◽  
Kyung Song ◽  
Si-Young Choi ◽  
Hyun Soon Park
Keyword(s):  
Thin Film ◽  
Domain Wall ◽  
Wall Motion ◽  
Domain Wall Motion ◽  
In Situ Observation

Reversible magnetic domain-wall motion under an electric field in a magnetoelectric thin film

2008 ◽  
Vol 92 (11) ◽  
pp. 112509 ◽  
Author(s):  
Tien-Kan Chung ◽  
Gregory P. Carman ◽  
Kotekar P. Mohanchandra
Keyword(s):  
Thin Film ◽  
Domain Wall ◽  
Electric Field ◽  
Wall Motion ◽  
Magnetic Domain ◽  
Domain Wall Motion ◽  
Magnetic Domain Wall

scholarly journals Reversible Electric-Field-Driven Magnetic Domain-Wall Motion

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
Kévin J. A. Franke ◽  
Ben Van de Wiele ◽  
Yasuhiro Shirahata ◽  
Sampo J. Hämäläinen ◽  
Tomoyasu Taniyama ◽  
...  
Keyword(s):  
Domain Wall ◽  
Electric Field ◽  
Wall Motion ◽  
Magnetic Domain ◽  
Domain Wall Motion ◽  
Magnetic Domain Wall
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