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[求助]
晶格能和升華焓的關(guān)系
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小弟想根據(jù)升華焓來(lái)計(jì)算晶格能,在看了文獻(xiàn)之后發(fā)現(xiàn)升華焓和晶格能有著下面的關(guān)系 Elatt=Esl+Eatt=-Hsub-2RT 對(duì)于該方程的描述,文獻(xiàn)中是這樣寫(xiě)的:The slice energy, Esl, is the energy released on the formation of a stoichiometric growth slice, and the attachment energy, Eatt, is the energy released when the slice is attached to the surface of the growing crystal. The sum of the two is the lattice energy, which equals the sublimation enthalpy of the substance corrected for the difference between the gas-phase enthalpy and the solid-state enthalpy. 想問(wèn)下論壇里有沒(méi)有人知道這個(gè)方程中T指代的是什么溫度,我的理解是物質(zhì)的升華溫度,但是不知道對(duì)不對(duì)。 |
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