标题 |
![]() 纳米结构Ni3Al的低温电输运
相关领域
材料科学
冶金
凝聚态物理
物理
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其它 | The electrical resistivity in nanostructured Ni3Al has been discriminated to be dominated fully by the electron-magnon scattering with spin fluctuations and evolve in the form of T5/3 and T3/2 below and above its Curie temperature. In addition to doping into γ'-Ni3Al nanophases, excessive Ni atoms are demonstrated to aggregate at the cores of Ni3Al so that some γ-Ni nanophases are embedded in the γ'-Ni3Al ones for forming the core/shell nanostructure. The itinerant electrons from γ'-Ni3Al nanophases is further suggested to wander around the phonons in both γ-Ni and γ'-Ni3Al nanophases |
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