Chemical formula: GaP. Orange-yellow translucent crystal. Zinc-smelterite structure. a 0 = 10.300 Å. It can be obtained by the direct reaction of gallium with phosphorus, or by the reaction of gallium oxide with phosphorus at 900-1000°C. If it contains unreacted gallium, it becomes green-yellow and opaque. Specific gravity: 4.13, melting point: 1465°C, dielectric constant: 9.1, energy band: 2.2 eV. As a so-called III-V compound (a compound of group III and group V elements), it has semiconducting properties similar to those of silicon and germanium, and is as important as gallium arsenide (GaAs). Source: Heibonsha World Encyclopedia, 2nd Edition Information |
化学式GaP。橙黄色半透明結晶。セン亜鉛鉱型構造をもつ。a0=10.300Å。ガリウムとリンとの直接反応,900~1000℃における酸化ガリウムとリンとの反応により得られる。未反応のガリウムを含むと緑黄色不透明となる。比重4.13,融点1465℃,透電定数9.1,エネルギー帯2.2eV。いわゆるIII‐V化合物(III族元素とV族元素との化合物)として,ケイ素,ゲルマニウムと類似の半導体の性質を有し,ヒ化ガリウムGaAs等と並んで重要である。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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