scholarly journals Giant magnetostriction and nonsaturating electric polarization up to 60 T in the polar magnet CaBaCo4O7

2021 ◽  
Vol 103 (17) ◽  
Author(s):  
Yi-Sheng Chai ◽  
Jun-Zhuang Cong ◽  
Jin-Cheng He ◽  
Dan Su ◽  
Xia-Xin Ding ◽  
...  
Keyword(s):  
Electric Polarization ◽  
Giant Magnetostriction

Spontaneous electric polarization and electric field gradient in hybrid improper ferroelectrics: insights and correlations

2021 ◽  
Author(s):  
Samuel Silva dos Santos ◽  
Michel L. Marcondes ◽  
Ivan P. Miranda ◽  
Pedro Rocha-Rodrigues ◽  
Lucy Vitória Credidio Assali ◽  
...  
Keyword(s):  
Electric Field ◽  
Electric Field Gradient ◽  
Ab Initio ◽  
Field Gradient ◽  
Electric Polarization ◽  
Double Perovskites

An ab-initio study for several hybrid improper ferroelectric (HIF) materials in the Ruddlesden-Popper phases and double perovskites structures is here presented. The focus is on the correlation between the electric...

scholarly journals Stacking faults in α−RuCl3 revealed by local electric polarization

2021 ◽  
Vol 103 (17) ◽  
Author(s):  
Xinrun Mi ◽  
Xiao Wang ◽  
Hengrui Gui ◽  
Maocai Pi ◽  
Tingting Zheng ◽  
...  
Keyword(s):  
Stacking Faults ◽  
Electric Polarization

scholarly journals Conservation Integrals in Nonhomogeneous Materials with Flexoelectricity

2021 ◽  
Vol 11 (2) ◽  
pp. 681
Author(s):  
Pengfei Yu ◽  
Weifeng Leng ◽  
Yaohong Suo
Keyword(s):  
Electromechanical Coupling ◽  
Energy Momentum Tensor ◽  
Great Influence ◽  
Operator Method ◽  
Electric Polarization ◽  
Momentum Tensor ◽  
Noether Theorem ◽  
Strain Gradients ◽  
Flexoelectric Effect ◽  
Nonhomogeneous Materials

The flexoelectricity, which is a new electromechanical coupling phenomenon between strain gradients and electric polarization, has a great influence on the fracture analysis of flexoelectric solids due to the large gradients near the cracks. On the other hand, although the flexoelectricity has been extensively investigated in recent decades, the study on flexoelectricity in nonhomogeneous materials is still rare, especially the fracture problems. Therefore, in this manuscript, the conservation integrals for nonhomogeneous flexoelectric materials are obtained to solve the fracture problem. Application of operators such as grad, div, and curl to electric Gibbs free energy and internal energy, the energy-momentum tensor, angular momentum tensor, and dilatation flux can also be derived. We examine the correctness of the conservation integrals by comparing with the previous work and discuss the operator method here and Noether theorem in the previous work. Finally, considering the flexoelectric effect, a nonhomogeneous beam problem with crack is solved to show the application of the conservation integrals.

ROLE OF ELECTRIC POLARIZATION IN THE THERMOLUMINESCENCE OF CHLOROPLASTS

1984 ◽  
Vol 40 (1) ◽  
pp. 119-125 ◽  
Author(s):  
P. P. Knox ◽  
P. S. Venediktov ◽  
A. A. Kononenko ◽  
Gy. I. Garab ◽  
Á. Faludi-Dániel
Keyword(s):  
Electric Polarization

Electric polarization and mechanism of B-type carbonated apatite ceramics

2011 ◽  
Vol 99A (1) ◽  
pp. 116-124 ◽  
Author(s):  
Akiko Nagai ◽  
Kazumasa Tanaka ◽  
Yumi Tanaka ◽  
Miho Nakamura ◽  
Kazuaki Hashimoto ◽  
...  
Keyword(s):  
Electric Polarization ◽  
Carbonated Apatite
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