Search for circular dichroism in high-T sub / c/ superconductors

Circular dichroism is observed in reflection from a YBa sub 2 Cu sub 3 O sub 7 sub - sub x film, an etched YBa sub 2 Cu sub 3 O sub 7 crystal, and a Bi sub 2 Sr sub 2 CaCu sub 2 O sub 8 crystal. This signal develops at < 200 K and exhibits little change near T sub / c/ . T sub / c/ (onset) differ...

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Veröffentlicht in:	Physical review letters 1990-06, Vol.64 (24), p.2949-2952
Hauptverfasser:	Lyons, K B, Kwo, J, Dillon, J F
Format:	Artikel
Sprache:	eng
Schlagworte:	ALKALINE EARTH METAL COMPOUNDS BARIUM COMPOUNDS BARIUM OXIDES BISMUTH COMPOUNDS BISMUTH OXIDES CALCIUM COMPOUNDS CALCIUM OXIDES CHALCOGENIDES COOLING COPPER COMPOUNDS COPPER OXIDES CRYSTALS DATA ETCHING EXPERIMENTAL DATA HIGH-TC SUPERCONDUCTORS INFORMATION LOW TEMPERATURE MAGNETO-OPTICAL EFFECTS MATERIALS SCIENCE NUMERICAL DATA OXIDES OXYGEN COMPOUNDS PHYSICAL PROPERTIES STRONTIUM COMPOUNDS STRONTIUM OXIDES SUPERCONDUCTING FILMS SUPERCONDUCTORS SURFACE FINISHING THERMODYNAMIC PROPERTIES TRANSITION ELEMENT COMPOUNDS TRANSITION TEMPERATURE YTTRIUM COMPOUNDS 360204 > Ceramics, Cermets, & Refractories-- Physical Properties YTTRIUM OXIDES
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Beschreibung
Zusammenfassung:	Circular dichroism is observed in reflection from a YBa sub 2 Cu sub 3 O sub 7 sub - sub x film, an etched YBa sub 2 Cu sub 3 O sub 7 crystal, and a Bi sub 2 Sr sub 2 CaCu sub 2 O sub 8 crystal. This signal develops at < 200 K and exhibits little change near T sub / c/ . T sub / c/ (onset) differs for the various materials.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.64.2949