Robustness of the electronic structure and charge transfer in topological insulator Bi2Te2Se and Bi2Se2Te thin films under an external electric field

2020 ◽  
Vol 22 (7) ◽  
pp. 3867-3874 ◽  
Author(s):  
Yurong Ruan ◽  
Lu Huang ◽  
Yanmin Yang ◽  
Guigui Xu ◽  
Kehua Zhong ◽  
...  
Keyword(s):  
Thin Films ◽  
Electronic Structure ◽  
Charge Transfer ◽  
Electric Field ◽  
External Electric Field ◽  
Topological Insulator ◽  
Electrical Field ◽  
External Electrical Field

The electronic structure and charge transfer of Bi2Te2Se and Bi2Se2Te thin films are robust to an external electrical field.

Electric field control of resistive switching and magnetization in epitaxial LaBaCo2O5+δ thin films

2019 ◽  
Vol 21 (17) ◽  
pp. 8843-8848 ◽  
Author(s):  
Jamal Shaibo ◽  
Rui Yang ◽  
Zhe Wang ◽  
He-Ming Huang ◽  
Jue Xiong ◽  
...  
Keyword(s):  
Thin Films ◽  
Electric Field ◽  
Bond Length ◽  
Resistive Switching ◽  
Oxygen Vacancies ◽  
Electrical Field ◽  
External Electrical Field ◽  
Field Control

Resistive switching and magnetization in epitaxial LaBaCo2O5+δ films can be controlled through an external electrical field, and the switching is related to the tuning of oxygen vacancies and the Co–O–Co bond length.

THE EFFECT OF ELECTRIC FIELD ON THE DIELECTRIC PERMITTIVITY OF BST/STO SUPERLATTICE

2013 ◽  
Vol 27 (10) ◽  
pp. 1350066 ◽  
Author(s):  
ZHI-GAO ZUO ◽  
FU-RI LING ◽  
DAN LI ◽  
JIN-SONG LIU ◽  
JIAN-QUAN YAO
Keyword(s):  
Dielectric Properties ◽  
Dielectric Permittivity ◽  
Electric Field ◽  
External Electric Field ◽  
Ferroelectric Properties ◽  
Transformation Strain ◽  
Elastic Interaction ◽  
Dielectric Behavior ◽  
Electrical Field ◽  
External Electrical Field

A nonlinear thermodynamic model is developed for investigating the effect of external electric field on the dielectric properties of Ba 0.6 Sr 0.4 TiO 3/ SrTiO 3( BST / STO ) super-lattice. The transformation strain induced by the external electrical field are analyzed and calculated. It is found that the dielectric and ferroelectric properties of the ( BST / STO ) superlattice vary substantially with the interlayer elastic interaction caused by the external electrical field. The results also provide better understanding of the dielectric behavior of BST / STO superlattice with external electric field and a necessary step in the development of the general nonlinear theory.

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