Electron Spin Resonance of Cr^<5+> in Phenacite (Be_2SiO_4) Single Crystals
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概要
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Electron spin resonancein synthetic phenacite (Be_2SiO_4) single crystals doped with Cr_2O_3 is observed at about 77K and 4.2k at 9.5GHz with g_z=1.9929±0.008, g_x=1.9505±0.0005 and g_y=1.9581±0.0004 and the hyperfine coupling constant A for ^<53>Cr=25.2±0.2 gauss. The ESR signal is enhanced considerably by X-ray irradiation (35kV, 18mA, 8hr). It is proved that this spectrum is attributed to Cr^<5+> ion located either at the Be or at the Si sites.
- 社団法人日本物理学会の論文
- 1972-09-05
著者
-
Yamamoto Akiji
National Institute for Materials Science
-
Kojima Hironao
Faculty Of Engineering Yamanashi University
-
Tsukioka Masayuki
National Institute for Research in Inorganic Materials
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