A ) the analyse of normal state specific heat of mgb2 shows : there is a strong einstain mode at about 310k . therefore its lattice specific heat composes of debye and einstain contribution 1 )對mgb2正常態(tài)比熱的分析表明,在310k左右有一支強的愛因斯坦模,因此其晶格比熱應由debye項和愛因斯坦項構成。