Decrease of Itinerant Holes near the Metal to Insulator Crossover in Superconducting La_<1.85>Sr_<0.15>CuO_4

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概要

• 論文の詳細を見る

• Polarized Cu L-edge X-ray absorption spectra (XAS) measurements of the unoccupied elec-tronic state of 3d.x .2 svmmetrv in surerconductin: L2L1.85SI0.15C1lO4 sinule crvstals show atemperature dependent anornaJous decrease of the density of itinerant holes below x1OO K. Theanomalous temperature coincides with the temperature of the metal to insulator (Ml) transitionand local lattice distortions in the Cu0z plane. The results give direct evidence of decrease ofitinerant states in the C1102 plane due to local lattice distortions across the II crossover in thenormal state.

• 社団法人日本物理学会の論文
• 1998-02-15

著者

• Lanzara Alessandra

  Dipartimento Di Fisica Universita'di Roma"la Sapienza

• Lanzara Alessandra

  Dipartimento Di Fisica Universita' Di Roma "la Sapienza

• Lanzara Alessandra

  Dipartimento De Fusica And Istituto Nazionale Di Fisica Della Materia (infm) Universita Di Roma &quo

• Naurang L.SAINI

  Dipartimento di Fisica,and Istituto Nazionale di Fisica della Materia (INFM)

• BIANCONI Antonio

  Dipartimento di Fisica,Universita'di Roma"La Sapienza"

• LAW Danial

  RUSTI Daresbury Laboratory

• MENOVSKY Alois

  Van der Waals Zeeman Lab,Universiteit van Amsterdam

• Krishna B.GARG

  Department of Physics,University of Rajasthan

• OYANAGI Hiyoyuki

  Electrotechnical Laboratory

• Menovsky Alois

  Van Der Waals Zeeman Lab Universiteit Van Amsterdam

• Krishna B.garg

  Department Of Physics University Of Rajasthan

• Naurang L.saini

  Dipartimento Di Fisica Universita'di Roma"la Sapienza

• Naurang L.saini

  Dipartimento Di Fisica And Istituto Nazionale Di Fisica Della Materia (infm):universita Di Roma"

• Saini Naurang

  Dipartimento De Fusica And Istituto Nazionale Di Fisica Della Materia (infm) Universita Di Roma &quo

• Bianconi Antonio

  Dipartimento Di Fisica Universita'di Roma"la Sapienza

関連論文

• Study of Cu-O and Cu-La Pair Correlation in Superconducting La_2CuO_ System by Cu K-Edge EXAFS
• Decrease of Itinerant Holes near the Metal to Insulator Crossover in Superconducting La_Sr_CuO_4
• Magnetic Properties of Dilute Uranium Alloys Y_U_xRu_2Si_2(x≲0.07)
• Superzone Gap Formation Evidenced by Specific Heat in UNiGa

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