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机译:
Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA;
C-AXIS PHONONS; STRUCTURAL PHASE-TRANSITION; PLANE OPTICAL CONDUCTIVITY; SINGLE-CRYSTALS; HIGH-T(C) SUPERCONDUCTORS; INFRARED RESPONSE; CHARGE; LA2-XSRXNIO4; DEPENDENCE; OXYGEN;