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Title: Room temperature optical anisotropy of a LaMnO3 thin-film induced by ultra-short pulse laser

Abstract

Ultra-short laser pulse induced optical anisotropy of LaMnO3 thin films grown on SrTiO3 substrates were observed by irradiation with a femto-second laser pulse with the fluence of less than 0.1 mJ/cm2 at room temperature. The transmittance and reflectance showed different intensities for different polarization states of the probe pulse after pump pulse irradiation. The theoretical optical transmittance and re ectance that assumed an orbital ordering of the 3d eg electrons in Mn3+ ions resulted in an anisotropic time dependent changes similar to those obtained from the experimental results, suggesting that the photo-induced optical anisotropy of LaMnO3 is a result of photo-induced symmetry breaking of the orbital ordering for an optically excited state.

Authors:
 [1];  [2];  [1];  [3];  [4];  [1];  [5];  [6];  [2];  [1]
  1. Chonbuk National Univ., Jeonju (Korea, Republic of)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Sungkyunkwan Univ., Suwon (Republic of Korea)
  4. Univ. of Kentucky, Lexington, KY (United States)
  5. Univ. of Tokyo (Japan)
  6. Stanford Univ., CA (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1185810
Alternate Identifier(s):
OSTI ID: 1226717
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 106; Journal Issue: 9; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Munkhbaatar, Purevdorj, Marton, Zsolt, Tsermaa, Bataarchuluun, Choi, Woo Seok, Seo, Sung Seok A., Kim, Jin Seung, Nakagawa, Naoyuki, Hwang, H. Y., Lee, Ho Nyung, and Myung-Whun, Kim. Room temperature optical anisotropy of a LaMnO3 thin-film induced by ultra-short pulse laser. United States: N. p., 2015. Web. doi:10.1063/1.4914094.
Munkhbaatar, Purevdorj, Marton, Zsolt, Tsermaa, Bataarchuluun, Choi, Woo Seok, Seo, Sung Seok A., Kim, Jin Seung, Nakagawa, Naoyuki, Hwang, H. Y., Lee, Ho Nyung, & Myung-Whun, Kim. Room temperature optical anisotropy of a LaMnO3 thin-film induced by ultra-short pulse laser. United States. https://doi.org/10.1063/1.4914094
Munkhbaatar, Purevdorj, Marton, Zsolt, Tsermaa, Bataarchuluun, Choi, Woo Seok, Seo, Sung Seok A., Kim, Jin Seung, Nakagawa, Naoyuki, Hwang, H. Y., Lee, Ho Nyung, and Myung-Whun, Kim. Wed . "Room temperature optical anisotropy of a LaMnO3 thin-film induced by ultra-short pulse laser". United States. https://doi.org/10.1063/1.4914094. https://www.osti.gov/servlets/purl/1185810.
@article{osti_1185810,
title = {Room temperature optical anisotropy of a LaMnO3 thin-film induced by ultra-short pulse laser},
author = {Munkhbaatar, Purevdorj and Marton, Zsolt and Tsermaa, Bataarchuluun and Choi, Woo Seok and Seo, Sung Seok A. and Kim, Jin Seung and Nakagawa, Naoyuki and Hwang, H. Y. and Lee, Ho Nyung and Myung-Whun, Kim},
abstractNote = {Ultra-short laser pulse induced optical anisotropy of LaMnO3 thin films grown on SrTiO3 substrates were observed by irradiation with a femto-second laser pulse with the fluence of less than 0.1 mJ/cm2 at room temperature. The transmittance and reflectance showed different intensities for different polarization states of the probe pulse after pump pulse irradiation. The theoretical optical transmittance and re ectance that assumed an orbital ordering of the 3d eg electrons in Mn3+ ions resulted in an anisotropic time dependent changes similar to those obtained from the experimental results, suggesting that the photo-induced optical anisotropy of LaMnO3 is a result of photo-induced symmetry breaking of the orbital ordering for an optically excited state.},
doi = {10.1063/1.4914094},
journal = {Applied Physics Letters},
number = 9,
volume = 106,
place = {United States},
year = {Wed Mar 04 00:00:00 EST 2015},
month = {Wed Mar 04 00:00:00 EST 2015}
}

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Works referenced in this record:

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