93Nb Nuclear Quadrupole Resonance in Orthorhombic Phase of Niobium Pentabromide
1982 年 51 巻 5 号 p. 1347-1348
詳細
1982 年 51 巻 5 号 p. 1347-1348
The 93Nb NQR has been investigated in one phase of NbBr5 which was identified to be orthorhombic by the X-ray analysis. The resonance frequencies have been measured between 4.2 K and 423 K, its melting point. The coupling constant showed a positive temperature dependence up to melting point. The temperature dependence of the coupling constant is compared between NbBr5 and NbCl5 from the view point of π-bond character.
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