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Citation: Wei Kun, Shi Yan, He Lun-Yan. Crystal Structure and Infrared Spectra of Nanocrystalling Rare Earth Mixed Oxides Dy_1-xSr_xCoO_3-y[J]. Acta Physico-Chimica Sinica, ;1998, 14(10): 957-960. doi: 10.3866/PKU.WHXB19981019 shu

Crystal Structure and Infrared Spectra of Nanocrystalling Rare Earth Mixed Oxides Dy_1-xSr_xCoO_3-y

1.
Rare Earth Technical Centre of Nanchang University,Nanchang 330047

Received Date: 4 December 1997
Available Online: 15 October 1998

The crystal structure and infrared absorption spectra of nanocrystallines Dy1-xSrxCoO3-y (0.0≤x≤1.0) were studied. The results show that the latttice parameters were bigger than microcrystallines. The mixed oxides crystallized in orthorhombic (0.0≤x≤0.5) or tetra nal system (0.6≤x≤0.9) or hexa nal system (x=1.0 ). With symmetry centre of crystal structure variation, the spectra bands of nanocrystallines were fissioned. The infrarea absorption spectra of nanocrystallines appeared as quantum size effect.
- Nannocrystallines,
- Crystal structure,
- Infrared absorbtion spectra,
- Quantum size effect
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Crystal Structure and Infrared Spectra of Nanocrystalling Rare Earth Mixed Oxides Dy1-xSrxCoO3-y

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Crystal Structure and Infrared Spectra of Nanocrystalling Rare Earth Mixed Oxides Dy_1-xSr_xCoO_3-y