TSEE from some copper alloys

• Published in: Japanese Journal of Applied Physics 1985, Vol.24 (S4), p.135-139
• Main Authors: SHIMADA, H, NAKAJIMA, K
• Format: Article
• Language: English
• Subjects: Condensed matter: electronic structure, electrical, magnetic, and optical properties; Cross-disciplinary physics: materials science; rheology; Electron and ion emission by liquids and solids; impact phenomena; Exact sciences and technology; Exoelectron emission; Materials science; Metals, semimetals and alloys; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation; Other interactions of matter with particles and radiation; Physics; Specific materials
• ISSN: 0021-4922; 1347-4065
• DOI: 10.7567/jjaps.24s4.135

TSEE from Cu-primary solid solutions which were abrabed was measured using a GM counter. The glow curve of a Cu solution involving Zn or Al could hardly be observed after one heating. This result indicates that the alloy surfaces were covered with a ZnO or Al 2 O 3 film. The formation of a ZnO or Al 2 O 3 film was due to a displacement reaction during the oxidations of the alloy surface. This lead to an enhancement of the solute atom concentration on the oxide surface. The oxygen concentration change with the solute content in Cu–Zn and Cu–Al could be interpreted in terms of the starting temperatures and activation energies determined from the glow curves. The TSEE of Cu–Ni and Cu–Ge had similar profiles and developed within the temperature range of the pure Cu glow curve.