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Citation: Fan Yi-Ning, Hu Zheng, Xu Zhao-Yi, Chen Yi. Crystallization Behavior of the Ultrafine Amorphous Nickel-Phosphorus Alloy Particles[J]. Acta Physico-Chimica Sinica, ;1993, 9(05): 684-686. doi: 10.3866/PKU.WHXB19930521 shu

Crystallization Behavior of the Ultrafine Amorphous Nickel-Phosphorus Alloy Particles

1.
Department of Chemistry, Nanjing University, Nanjing 210008

Received Date: 25 March 1993
Available Online: 15 October 1993

The crystallization behavior of the uhrafine amorphous Ni-P alloy particles prepared by chemical reduction has been studied by TEM, XRD, XPS and surface area measurments. It is found that neither sintering nor redispersion of the ultrafine par-ticles occurred during thermal treatment, but the surface and bulk structure of the amorphous alloy (sample a)were changed. For the case of the sample treated at 573 K, the alloy was partially segregated to Ni microcrystallites dispersed on the amorphous martrix (sample b). The increase in the surface area of the sample indicates the higher surface beterogeneity of the partially crystallized alloy. Increasing the temperature of thermal treatment to 773 K, the amorphous alloy was completely crystallized and segregated to Ni and Ni_3P alloy (sample c), and the surface area of the particles was decreased due to the aggregation of Ni crystallites at higher temperature.
- Amorphous; Ni-P alloy; Ultrafine particles; Crystallization
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沈阳化工大学材料科学与工程学院沈阳 110142

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Crystallization Behavior of the Ultrafine Amorphous Nickel-Phosphorus Alloy Particles

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com