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KMID : 1059519940380090628
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Journal of the Korean Chemical Society
1994 Volume.38 No. 9 p.628 ~ p.631
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Pulsed NMR Study of CuF2
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Lee Chgeol-Eui
Lee Chang-Hoon
Kim Jun-Hyeong
Kim Kun-Seok
Kim Keon
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Abstract
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We have studied the paramagnetic CuF2 using the techniques of pulsed nuclear magnetic resonance (NMR). The powder sample revealed two well-separated lines from the distinct 19F sites at room temperature. One of the lines showed little frequency shift. However, the other showed a large frequency shift, suggesting electron transfers. Furthermore, the two sites have very short spin-lattice relaxation times (T1). The frequency-shifted site has the shorter T1 than the unshifted one, reflecting the difference of the electron environments of the two sites.
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