The change in superconducting transition temperature Tc and Debye temperature is concluded to be due to the surface oxidation and/or the size effect.

• 所以我们将藉低温比热与磁性对钽块材与奈米微粒物理性质的探讨，研究造成超导转变温度下降，以及影响德拜温度改变的原因。