Bijvoet pair
基礎(chǔ)科學(xué)

        Definition: The couple of reflections h, k, l and ,, is called a Friedel pair, or Bijvoetpair. Their intensities are equal if there is no absorption,but differ otherwise. Friedel’s law thendoes not hold. Generally speaking,when absorption is prese......（本文共 781 字）     [閱讀本文] >>