Electronic Phase Separation in La_<1.2>Sr_<1.8>Mn_2O_7 Observed by ^<55>Mn Nuclear Magnetic Resonance

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概要

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• A single crystal of perovskite bilayer manganite La_<1.2>Sr_<1.8>Mn_2O_7 has been studied by the ^<55>Mn NMR technique. The observed spectra at 4.2 K in zero external magnetic field are broad and spread in the frequency range 310-480 MHz. The shape of the spectrum depends strongly on the rf radiation field for exciting and refocusing a spin-echo signal. In external magnetic fields up to 1.75 T, signals arising from both metallic and insulating phases are observed, which is an evidence of the electronic phase separation.

• 社団法人日本物理学会の論文
• 2003-04-15

著者

• RENARD Jean-Pierre

  Institute d'Electronique Fondamentale

• Shimizu Kazuaki

  Department Of Physics Faculty Of Science Okayama University

• Shimizu K

  Osaka Univ. Osaka

• Revcolevschi A

  Univ. Paris‐sud Orsay Fra

• Revcolevschi Alexandre

  Laboratoire Da Physico-chimie De I'etat Solide

• Shimizu K

  Graduate School Of Engineering Science Osaka University

• Renard Jean-pierre

  Institut D' Electronique Fundamentale

• SHIMIZU Kenji

  Faculty of Education, Toyama University

• VELAZQUEZ Matias

  Institut d' Electronique Fundamentale

• Velazquez Matias

  Institut D' Electronique Fundamentale : Laboratoire Da Physico-chimie De I'etat Solide

• Shimizu Katsuya

  Department Of Material Physics Faculty Of Engineering Science Osaka University:crest Japan Science A

• Shimizu Kenji

  Faculty Of Education Toyama University

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