This paper has presented the thermodynamics action of crystal based on the Debye model. 在德拜模型的基础上研究晶体的热力学行为。
By the comparison of Ta nanoparticles and bulk , the specific heat of nanoparticles is larger and the Debye temperature is smaller than the bulk. 另外由比热的量测我们也发现样品制成奈米微粒后的比热大于块材，德拜温度降低。
