Aluminum Antimonide

Title: Aluminum Antimonide
CAS Registry Number: 25152-52-7
Molecular Formula: AlSb
Molecular Weight: 148.74
Percent Composition: Al 18.14%, Sb 81.86%
Literature References: Prepn of high purity crystals, resistance measurements, activation energies: Justi, Lautz, Abh. Braunschw. Wiss. Ges. 5, 36 (1953); C.A. 48, 1756i (1954). Electrical properties: Willardson et al., J. Electrochem. Soc. 101, 354 (1954); and prepn: Kover, Compt. Rend. 243, 648 (1956). Zone melting to remove impurities and to improve electr properties: Scheel, Z. Metallkd. 46, 58 (1955), C.A. 49, 4486f (1955). Oxidation by water: Rudorff, Kohlmeyer, Z. Metallkd. 45, 608 (1954), C.A. 49, 7432c (1955).
Properties: Lattice constant: 6.1361´10-8 cm. mp 1050°. Absorption const, n, width of forbidden zone (opt & electr) = 0.78; 3.4; 16; 1.65 e.v.: Oswald, Schade, Z. Naturforsch. 9a, 611 (1954); C.A. 49, 52a (1955). Width of forbidden band = 1.6 e.v. at 0 K: Blunt et al., Phys. Rev. 96, 578 (1954); C.A. 49, 2861b (1955).
Melting point: mp 1050°
Use: In semiconductor research.
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