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EPR investigation of krohnkite, Na2Cu(SO4)2.2H2O

C R N Sarma, G Satyanandam, P V Gopalakrishna Murthy and C Haranadh

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An electron paramagnetic resonance study of krohnkite, Na2Cu(SO4)2.2H2O, has been carried out at room temperature (302K) for the first time. The two resonance lines observed in all the planes of investigation are explained on the basis of inherent twinning in the crystal. The twinning plane has been confirmed as the (001) plane. It is also shown that the twinning has no effect on the g-values. The observed linewidths are explained on the basis of exchange and hyperfine interactions.


PACS

76.30.-v Electron paramagnetic resonance and relaxation

71.70.Jp Nuclear states and interactions

71.70.Gm Exchange interactions

Subjects

Condensed matter: electrical, magnetic and optical

Dates

Issue 5 (14 March 1976)



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