晶格振动与固体热容研究 毕业论文.doc.doc

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1、晶格振动与固体热容研究摘要：本论文属于固体物理学范畴，主要针对于晶格振动对固体热容量的探讨。包括引言和五大部分：第一部分讨论了关于晶格振动的基础知识，其中包括简正运动；爱因斯坦和德拜理论；晶格的状态方程；第二部分讨论了固体热容的基础知识，其中包括固体热容量的经典理论，在固体热容的经典理论不适用的情况下发展出固体热容的量子理论和锐利金斯理论；第三部分讨论了固体热容受哪些因素影响，其中包括对固体热容能够产生影响的有两方面：一是晶格振动，二是电子气体运动，分析了晶格振动对固体热容量的影响，以及金属电子气体对固体热容的贡献；第四部分是结束语；第五部分是参考文献。关键词：晶格振动；固体热容量；电子Res

2、earchofLatticeVibrationandSolidHeatCapacityAbstract:Thispaperisbelongingtosolidphysicsareas,mainondiscussionofYuJinggridvibrationonhotcapacityofsolid，includingintroductionandfiveparts:thediscussionofthefirstpartisonfoundationknowledgeoflatticevibration,whichincludesJanemovement,EinsteinandDebyetheor

3、y,stateequationoflattice;thediscussionofthesecondpartisfoundationknowledgeofheatcapacityofsolid,whichincludesclassictheoryofhotcapacityofsolid,inthesituationofclassictheoryofheatcapacityofsolidnotapplying,developoutquantumtheoryofheatcapacityofsolidandsharpjeanstheory;thediscussionofthethirdpartisab

4、outheatcapacityofsolid,whichfactorseffectit,whichincludestwoaspectsofheatcapacityofsolidtoproducedeffect:oneislatticevibration,theotheriselectronicgasmovement,analyzethelatticevibrationeffectingonheatcapacityofsolidandmetalelectronicgascontributiontoheatcapacityofsolid;theforthpartisconclusions;thef

5、ifthpartisreferenceliterature;Keywords:latticevibration,heatcapacityofsolid;electronic目录引言····················································1一、晶格振动的基础知识·································2（一）简正振动········································2（二）爱因斯坦和德拜理论······························5（三）晶格的状态方程···········

6、······················13二、固体热容的基础知识································14（一）固体热容量的经典理论···························14（一）固体热容量的量子理论···························15（二）瑞利金斯理论···································16一、晶格振动对固体热容的影响··························17(一）金属电子对固体热容的影响·······················18(二）晶格振动对固体热容的影响····

7、···················21结束语·················································22参考文献···············································25晶格振动与固体热容研究引言在前两个世纪之中，晶体的几何规则性的研究有很大的发展。当时已经从理论上推断，晶体的这种宏观的规则性，是晶体中原子分子规