Superconductivity in amorphous and microcrystalline transition-metal alloys
Journal Article
·
· J. Appl. Phys., v. 46, no. 4, pp. 1787-1792
Results of x-ray diffraction, electrical resistivity, critical magnetic field, and transport measurements for several bulk amorphous and microcrystalline transition-metal superconductors obtained by liquid quenching are presented and discussed. Simple J/sub c/-H/sub c2/-T/sub c/ relations are observed for this class of materials. A linear relation between electronic diffusivity and nearest- neighbors distance is derived from critical field measurements. The relationship between the formation of an amorphous phase by rapid cooling from the liquid state, lattice stability, and the characteristics of phase diagrams are discussed. (auth)
- Research Organization:
- California Inst. of Tech., Pasadena
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-33-017815
- OSTI ID:
- 4112199
- Journal Information:
- J. Appl. Phys., v. 46, no. 4, pp. 1787-1792, Journal Name: J. Appl. Phys., v. 46, no. 4, pp. 1787-1792; ISSN JAPIA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360104* --Materials--Metals & Alloys--Physical Properties
AMORPHOUS STATE
BINARY ALLOY SYSTEMS
CRYSTALS
ELECTRIC CONDUCTIVITY
GOLD ALLOYS-- LANTHANUM ALLOYS
INTERMETALLIC COMPOUNDS
N50230* --Metals
Ceramics
& Other Materials--Metals & Alloys--Properties
Structure & Phase Studies
N66200 --Physics (Low Temperature)--Superconductivity
NICKEL ALLOYS-- NIOBIUM ALLOYS
PALLADIUM ALLOYS-- ZIRCONIUM ALLOYS
PHASE DIAGRAMS
QUENCHING
SUPERCONDUCTIVITY
X-RAY DIFFRACTION NIOBIUM ALLOYS-- RHODIUM ALLOYS
AMORPHOUS STATE
BINARY ALLOY SYSTEMS
CRYSTALS
ELECTRIC CONDUCTIVITY
GOLD ALLOYS-- LANTHANUM ALLOYS
INTERMETALLIC COMPOUNDS
N50230* --Metals
Ceramics
& Other Materials--Metals & Alloys--Properties
Structure & Phase Studies
N66200 --Physics (Low Temperature)--Superconductivity
NICKEL ALLOYS-- NIOBIUM ALLOYS
PALLADIUM ALLOYS-- ZIRCONIUM ALLOYS
PHASE DIAGRAMS
QUENCHING
SUPERCONDUCTIVITY
X-RAY DIFFRACTION NIOBIUM ALLOYS-- RHODIUM ALLOYS