Ferroelectricity in natural samples of chalcocite, Cu 2 S | Zendy

Bieniulis Mark Z. | Zendy; Corry Charles E. | Zendy; Hoskins Earl R. | Zendy

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Ferroelectricity in natural samples of chalcocite, Cu 2 S

Author(s) -

Bieniulis Mark Z.,

Corry Charles E.,

Hoskins Earl R.

Publication year - 1987

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl014i002p00135

Subject(s) - chalcocite , ferroelectricity , mineralogy , materials science , dielectric , crystallite , curie temperature , permittivity , copper , hysteresis , electrical resistivity and conductivity , condensed matter physics , analytical chemistry (journal) , geology , metallurgy , chemistry , optoelectronics , chalcopyrite , electrical engineering , physics , chromatography , ferromagnetism , engineering

A structural phase transition, conductivity and dielectric permittivity anomalies, together with a polarization hysteresis loop which collapses above the Curie temperature (∼ 105°C) provide converging lines of evidence for ferroelectricity in the single and polycrystalline natural samples of chalcocite, Cu 2 S, investigated. Chalcocite is an important ore of copper, and its electrical properties are a factor both in exploration for the mineral and processing the ore.

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