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Soft chemical routes to the synthesis of extended solid solutions of wurtzite ZnO–MO (M=Mg,Co,Ni)

Jayaram, Vikram ; Sirisha Rani, B

Materials Science & Engineering A, 2001, Vol.304, pp.800-804 [Periódico revisado por pares]

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  • Título:
    Soft chemical routes to the synthesis of extended solid solutions of wurtzite ZnO–MO (M=Mg,Co,Ni)
  • Autor: Jayaram, Vikram ; Sirisha Rani, B
  • Assuntos: Wurtzite ; Spray Pyrolysis ; Gel Decomposition ; Metastability ; Engineering
  • É parte de: Materials Science & Engineering A, 2001, Vol.304, pp.800-804
  • Descrição: Spray pyrolysis and gel decomposition have been used to generate extended solid solutions of MO ( M = Mg , Co and Ni ) in the wurtzite modification of ZnO through kinetic limitations. Both routes yield a significantly greater extent of solution of CoO as compared to MgO and NiO. Published lattice stabilities for the wurtzite modifications of MO and the rock-salt form of ZnO are used to develop free energy–composition curves to relate the ease of solution to the driving force for partitioning. Reasons for the absence of single-phase rock-salt-based solid solutions are discussed.
  • Idioma: Inglês

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