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Title: Control of magnetic anisotropy by orbital hybridization with charge transfer in (La 0.67Sr 0.33MnO 3) n/(SrTiO 3) n superlattice

Abstract

Here, the chemical asymmetry at the hetero-structure interface offers an effective opportunity to design desirable electronic structures by controlling charge transfer and orbital hybridization across the interface. However, controlling the hetero-interface remains a daunting task. Here, we report the modulation of interfacial coupling of (La 0.67Sr 0.33MnO 3) n/(SrTiO 3) n superlattices by manipulating the periodic thickness with n unit cells of SrTiO 3 and n unit cells of La 0.67Sr 0.33MnO 3 with a fixed thickness of ~120 unit cells. The easy axis of magnetic anisotropy rotates ~45° towards the out-of-plane direction from n = 10 to n = 2 at reduced temperature T Re = T/T S = 0.87, where T S is the temperature at the onset of magnetization.

Authors:
 [1]; ORCiD logo [2]; ORCiD logo [3];  [1];  [1];  [1]; ORCiD logo [4];  [4];  [1]; ORCiD logo [1];  [4];  [2];  [1]
  1. National Univ. of Singapore (Singapore)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States); Xiamen Univ., Xiamen (China); Xiamen Univ. Malaysia, Selangor (Malaysia)
  4. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1483749
Report Number(s):
BNL-209514-2018-JAAM
Journal ID: ISSN 1884-4049
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
NPG Asia Materials
Additional Journal Information:
Journal Volume: 10; Journal Issue: 9; Journal ID: ISSN 1884-4049
Publisher:
Nature Publishing Group Asia
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Zhang, Bangmin, Wu, Lijun, Zheng, Jincheng, Yang, Ping, Yu, Xiaojiang, Ding, Jun, Heald, Steve M., Rosenberg, Richard A., Venkatesan, Thirumalai Venky, Chen, Jingsheng, Sun, Cheng -Jun, Zhu, Yimei, and Chow, Gan Moog. Control of magnetic anisotropy by orbital hybridization with charge transfer in (La0.67Sr0.33MnO3)n/(SrTiO3)n superlattice. United States: N. p., 2018. Web. doi:10.1038/s41427-018-0084-8.
Zhang, Bangmin, Wu, Lijun, Zheng, Jincheng, Yang, Ping, Yu, Xiaojiang, Ding, Jun, Heald, Steve M., Rosenberg, Richard A., Venkatesan, Thirumalai Venky, Chen, Jingsheng, Sun, Cheng -Jun, Zhu, Yimei, & Chow, Gan Moog. Control of magnetic anisotropy by orbital hybridization with charge transfer in (La0.67Sr0.33MnO3)n/(SrTiO3)n superlattice. United States. doi:10.1038/s41427-018-0084-8.
Zhang, Bangmin, Wu, Lijun, Zheng, Jincheng, Yang, Ping, Yu, Xiaojiang, Ding, Jun, Heald, Steve M., Rosenberg, Richard A., Venkatesan, Thirumalai Venky, Chen, Jingsheng, Sun, Cheng -Jun, Zhu, Yimei, and Chow, Gan Moog. Tue . "Control of magnetic anisotropy by orbital hybridization with charge transfer in (La0.67Sr0.33MnO3)n/(SrTiO3)n superlattice". United States. doi:10.1038/s41427-018-0084-8. https://www.osti.gov/servlets/purl/1483749.
@article{osti_1483749,
title = {Control of magnetic anisotropy by orbital hybridization with charge transfer in (La0.67Sr0.33MnO3)n/(SrTiO3)n superlattice},
author = {Zhang, Bangmin and Wu, Lijun and Zheng, Jincheng and Yang, Ping and Yu, Xiaojiang and Ding, Jun and Heald, Steve M. and Rosenberg, Richard A. and Venkatesan, Thirumalai Venky and Chen, Jingsheng and Sun, Cheng -Jun and Zhu, Yimei and Chow, Gan Moog},
abstractNote = {Here, the chemical asymmetry at the hetero-structure interface offers an effective opportunity to design desirable electronic structures by controlling charge transfer and orbital hybridization across the interface. However, controlling the hetero-interface remains a daunting task. Here, we report the modulation of interfacial coupling of (La0.67Sr0.33MnO3)n/(SrTiO3)n superlattices by manipulating the periodic thickness with n unit cells of SrTiO3 and n unit cells of La0.67Sr0.33MnO3 with a fixed thickness of ~120 unit cells. The easy axis of magnetic anisotropy rotates ~45° towards the out-of-plane direction from n = 10 to n = 2 at reduced temperature TRe = T/TS = 0.87, where TS is the temperature at the onset of magnetization.},
doi = {10.1038/s41427-018-0084-8},
journal = {NPG Asia Materials},
number = 9,
volume = 10,
place = {United States},
year = {2018},
month = {9}
}

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