…When X-rays pass through a particle with a size of about 10 to 3000 Å, a diffuse diffraction pattern or sometimes a clear diffraction ring is produced in the range of an extremely small angle (usually less than 1 degree) with respect to the incident X-ray. This phenomenon is called small-angle X-ray scattering or simply small-angle scattering. Even in ordinary crystals, the Bragg reflection of materials with long periods appears in this angle range. … *Some of the terminology that refers to "small angle X-ray scattering" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…X線が10~3000Åくらいの大きさの微粒子を通過するとき,入射X線ときわめて小さい角度(通常1度以下)範囲に散漫な回折像や,ときには明らかな回折環を生じる。この現象をX線小角散乱または単に小角散乱という。また普通の結晶でも,長い周期をもつ物質のブラッグ反射はこの角度範囲にあらわれる。… ※「X 線小角散乱」について言及している用語解説の一部を掲載しています。 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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