Optical evidence of multiphase coexistence in single crystalline (formula presented)

H. J. Lee, K. H. Kim, M. W. Kim, T. W. Noh, B. G. Kim, T. Y. Koo, Sang-Wook Cheong, Y. J. Wang, X. Wei

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We investigated temperature (formula presented)- and magnetic field-dependent optical conductivity spectra (formula presented) of a (formula presented) single crystal, showing intriguing phase coexistence at low T. At (formula presented) a dominant charge-ordered phase produces a large optical gap energy of (formula presented) At (formula presented) at least two absorption bands newly emerge below 0.4 eV. Analyses of (formula presented) indicate that the bands should be attributed to a ferromagnetic metallic phase and a charge-disordered phase that coexist with the charge-ordered phase. This optical study clearly shows that (formula presented) is composed of multiphases that might have different lattice strains.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume65
Issue number11
DOIs
StatePublished - Jan 1 2002

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Optical conductivity
Absorption spectra
Energy gap
Single crystals
Magnetic fields
Crystalline materials
Temperature
absorption spectra
conductivity
single crystals

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Lee, H. J. ; Kim, K. H. ; Kim, M. W. ; Noh, T. W. ; Kim, B. G. ; Koo, T. Y. ; Cheong, Sang-Wook ; Wang, Y. J. ; Wei, X. / Optical evidence of multiphase coexistence in single crystalline (formula presented). In: Physical Review B - Condensed Matter and Materials Physics. 2002 ; Vol. 65, No. 11. pp. 1-6.
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abstract = "We investigated temperature (formula presented)- and magnetic field-dependent optical conductivity spectra (formula presented) of a (formula presented) single crystal, showing intriguing phase coexistence at low T. At (formula presented) a dominant charge-ordered phase produces a large optical gap energy of (formula presented) At (formula presented) at least two absorption bands newly emerge below 0.4 eV. Analyses of (formula presented) indicate that the bands should be attributed to a ferromagnetic metallic phase and a charge-disordered phase that coexist with the charge-ordered phase. This optical study clearly shows that (formula presented) is composed of multiphases that might have different lattice strains.",
author = "Lee, {H. J.} and Kim, {K. H.} and Kim, {M. W.} and Noh, {T. W.} and Kim, {B. G.} and Koo, {T. Y.} and Sang-Wook Cheong and Wang, {Y. J.} and X. Wei",
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Optical evidence of multiphase coexistence in single crystalline (formula presented). / Lee, H. J.; Kim, K. H.; Kim, M. W.; Noh, T. W.; Kim, B. G.; Koo, T. Y.; Cheong, Sang-Wook; Wang, Y. J.; Wei, X.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 65, No. 11, 01.01.2002, p. 1-6.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Optical evidence of multiphase coexistence in single crystalline (formula presented)

AU - Lee, H. J.

AU - Kim, K. H.

AU - Kim, M. W.

AU - Noh, T. W.

AU - Kim, B. G.

AU - Koo, T. Y.

AU - Cheong, Sang-Wook

AU - Wang, Y. J.

AU - Wei, X.

PY - 2002/1/1

Y1 - 2002/1/1

N2 - We investigated temperature (formula presented)- and magnetic field-dependent optical conductivity spectra (formula presented) of a (formula presented) single crystal, showing intriguing phase coexistence at low T. At (formula presented) a dominant charge-ordered phase produces a large optical gap energy of (formula presented) At (formula presented) at least two absorption bands newly emerge below 0.4 eV. Analyses of (formula presented) indicate that the bands should be attributed to a ferromagnetic metallic phase and a charge-disordered phase that coexist with the charge-ordered phase. This optical study clearly shows that (formula presented) is composed of multiphases that might have different lattice strains.

AB - We investigated temperature (formula presented)- and magnetic field-dependent optical conductivity spectra (formula presented) of a (formula presented) single crystal, showing intriguing phase coexistence at low T. At (formula presented) a dominant charge-ordered phase produces a large optical gap energy of (formula presented) At (formula presented) at least two absorption bands newly emerge below 0.4 eV. Analyses of (formula presented) indicate that the bands should be attributed to a ferromagnetic metallic phase and a charge-disordered phase that coexist with the charge-ordered phase. This optical study clearly shows that (formula presented) is composed of multiphases that might have different lattice strains.

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