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Title: Magnetic and ferroelectric orders in strained Gd{sub 1/2}Na{sub 1/2}TiO{sub 3}: First-principles calculations

Abstract

The emergent magnetic and ferroelectric orders in A-site ordered Gd{sub 1/2}Na{sub 1/2}TiO{sub 3} under lattice strain are investigated using the first-principles calculations. It is revealed that the lattice prefers the perovskite structure with alternatively stacked Ga-O and Na-O layers along the b-axis and the ground spin state favors the G-type antiferromagnetic (G-AFM) order. The ac-plane biaxial strain can remarkably tune the amplitude of ferroelectric polarization, while the G-AFM spin structure is robustly unaffected. The ±4% strains can trigger the change of polarization up to ±50% relative to the polarization value of unstrained structure. The present work suggests a possible scenario to control emergent multiferroic behaviors in Gd{sub 1/2}Na{sub 1/2}TiO{sub 3} via lattice strain.

Authors:
 [1];  [2];  [3]; ; ; ;  [1]
  1. Laboratory of Solid State Microstructures and Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093 (China)
  2. (China)
  3. Department of Physics, Southeast University, Nanjing 211189 (China)
Publication Date:
OSTI Identifier:
22410041
Resource Type:
Journal Article
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 117; Journal Issue: 17; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0021-8979
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ANTIFERROMAGNETISM; ATOMIC FORCE MICROSCOPY; FERROELECTRIC MATERIALS; GADOLINIUM COMPOUNDS; GROUND STATES; LAYERS; POLARIZATION; SODIUM COMPOUNDS; SPIN; STRAINS; TITANATES

Citation Formats

Zhou, P. X., School of Science, Nantong University, Nantong 226007, Dong, S., E-mail: sdong@seu.edu.cn, Xie, Y. L., Yan, Z. B., Zhou, X. H., and Liu, J.-M., E-mail: liujm@nju.edu.cn. Magnetic and ferroelectric orders in strained Gd{sub 1/2}Na{sub 1/2}TiO{sub 3}: First-principles calculations. United States: N. p., 2015. Web. doi:10.1063/1.4917060.
Zhou, P. X., School of Science, Nantong University, Nantong 226007, Dong, S., E-mail: sdong@seu.edu.cn, Xie, Y. L., Yan, Z. B., Zhou, X. H., & Liu, J.-M., E-mail: liujm@nju.edu.cn. Magnetic and ferroelectric orders in strained Gd{sub 1/2}Na{sub 1/2}TiO{sub 3}: First-principles calculations. United States. doi:10.1063/1.4917060.
Zhou, P. X., School of Science, Nantong University, Nantong 226007, Dong, S., E-mail: sdong@seu.edu.cn, Xie, Y. L., Yan, Z. B., Zhou, X. H., and Liu, J.-M., E-mail: liujm@nju.edu.cn. Thu . "Magnetic and ferroelectric orders in strained Gd{sub 1/2}Na{sub 1/2}TiO{sub 3}: First-principles calculations". United States. doi:10.1063/1.4917060.
@article{osti_22410041,
title = {Magnetic and ferroelectric orders in strained Gd{sub 1/2}Na{sub 1/2}TiO{sub 3}: First-principles calculations},
author = {Zhou, P. X. and School of Science, Nantong University, Nantong 226007 and Dong, S., E-mail: sdong@seu.edu.cn and Xie, Y. L. and Yan, Z. B. and Zhou, X. H. and Liu, J.-M., E-mail: liujm@nju.edu.cn},
abstractNote = {The emergent magnetic and ferroelectric orders in A-site ordered Gd{sub 1/2}Na{sub 1/2}TiO{sub 3} under lattice strain are investigated using the first-principles calculations. It is revealed that the lattice prefers the perovskite structure with alternatively stacked Ga-O and Na-O layers along the b-axis and the ground spin state favors the G-type antiferromagnetic (G-AFM) order. The ac-plane biaxial strain can remarkably tune the amplitude of ferroelectric polarization, while the G-AFM spin structure is robustly unaffected. The ±4% strains can trigger the change of polarization up to ±50% relative to the polarization value of unstrained structure. The present work suggests a possible scenario to control emergent multiferroic behaviors in Gd{sub 1/2}Na{sub 1/2}TiO{sub 3} via lattice strain.},
doi = {10.1063/1.4917060},
journal = {Journal of Applied Physics},
issn = {0021-8979},
number = 17,
volume = 117,
place = {United States},
year = {2015},
month = {5}
}