Vibrational spectra of antiferromagnetic FeBO3 |
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| Authors: | K Wakamura T Okuda T Tsushima |
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| Institution: | Department of Fundamental Natural Science, Okayama College of Science, Ridaimachi 1-1, Okayama City, Japan;Electrotechnical Laboratory, Tanashi, Tokyo, Japan |
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| Abstract: | Transmission spectra of powdered ferric borate have been measured in the wave number region from 6000 cm-1 to 30 cm-1 at room and liq. N2 temperatures. Eight absorption bands observed are assigned as three A2u and five Eu phonon modes. Of those modes, the temperature dependence of the Eu mode ar 230 cm-1 (300 K) and the A2u mode at 277 cm-1 (300 K) have been measured in the temperature range containing the Néel temperature. They do not show the influence of magnetic ordering. |
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