INEQUIVALENT PROTON HYPERFINE COUPLINGS OF CRO4(3-) IN LINH4SO4 AND LIKSO4 CRYSTALS - AN EPR STUDY

被引:1
|
作者
CHOU, SY
YU, JT
WU, CJ
JENG, YH
机构
[1] NATL TAIWAN NORMAL UNIV,INST PHYS,TAIPEI 11718,TAIWAN
[2] NATL YUNLIN POLYTECN INST,PHYS LAB,HUWEI 63208,TAIWAN
[3] TAIWAN PROVINCIAL TEACHERS COLL,DEPT MATH & SCI EDUC,HUALIEN 97055,TAIWAN
关键词
D O I
10.1016/0038-1098(93)90397-6
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The CrO43- radicals produced by gamma-irradiation in LiNH4SO4 and LiKSO4 crystals exhibit hyperfine splittings due to two magnetically inequivalent protons. This is in contrast to the magnetic equivalence of the proton hyperfine splittings observed for the NH3+ radicals simultaneously produced in these same host lattices. The proton hyperfine splittings of the CrO43- radicals also exhibit much more significant anisotropies than those exhibited by the protons of the NH3+ radicals. These imply a slowing-down of dynamics of the ammonium protons adjacent to the CrO43- radical.
引用
收藏
页码:149 / 152
页数:4
相关论文
共 50 条
  • [31] EPITAXIAL OVERGROWTH OF LIKSO4 ON BETA-K2SO4 SINGLE-CRYSTALS
    LOPEZANDRES, S
    SUAREZ, MJ
    PRIETO, M
    CRYSTAL RESEARCH AND TECHNOLOGY, 1995, 30 (06) : 775 - 783
  • [32] A NEW PHASE-TRANSITION IN LINH4SO4 - AN X-RAY STUDY
    SIMONSON, T
    DENOYER, F
    MORET, R
    JOURNAL DE PHYSIQUE, 1984, 45 (07): : 1257 - 1261
  • [33] IONIC MOBILITY IN IMPERFECT CRYSTALS OF PBMOO4, LINBO3, AND LIKSO4
    ASRAROV, S
    BORISOV, BF
    KRAEVSKII, T
    CHARNAYA, EV
    SOVIET ELECTROCHEMISTRY, 1992, 28 (12): : 1503 - 1509
  • [34] Ab initio calculations of the electronic structure and specific optical features of β-LiNH4SO4 single crystals
    Rudysh, M. Ya.
    Brik, M. G.
    Stadnyk, V. Yo.
    Brezvin, R. S.
    Shchepanskyi, P. A.
    Fedorchuk, A.
    Khyzhun, O. Y.
    Kityk, I. V.
    Piasecki, M.
    PHYSICA B-CONDENSED MATTER, 2018, 528 : 37 - 46
  • [36] Ionicity and birefringence of α-LiNH4SO4 crystals: ab initio DFT study, X-ray spectroscopy measurements
    Rudysh, M. Ya.
    Brik, M. G.
    Khyzhun, O. Y.
    Fedorchuk, A. O.
    Kityk, I. V.
    Shchepanskyi, P. A.
    Stadnyk, V. Yo.
    Lakshminarayana, G.
    Brezvin, R. S.
    Bak, Z.
    Piasecki, M.
    RSC ADVANCES, 2017, 7 (12) : 6889 - 6901
  • [37] The thermodynamic behaviour of Sm3+-doped LiKSO4 crystals
    El-Aziz, YMA
    JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, 1997, 50 (5-6): : 873 - 878
  • [38] Refractometry of β-modification LiNH4SO4 crystals with an admixture of Mn2+ and Cu2+
    Brezvin, R.S.
    Shchepanskyi, P.A.
    Shapravskyi, A.O.
    Stadnyk, V.Yo.
    Rudysh, M.Ya.
    Ftomyn, N.Y.
    Fizika Nizkikh Temperatur, 2024, 50 (10): : 1012 - 1017
  • [39] Refractometry of β-modification LiNH4SO4 crystals with an admixture of Mn2+ and Cu2+
    Brezvin, R. S.
    Shchepanskyi, P. A.
    Shapravskyi, A. O.
    Stadnyk, V. Yo.
    Rudysh, M. Ya.
    Ftomyn, N. Y.
    LOW TEMPERATURE PHYSICS, 2024, 50 (10) : 911 - 916
  • [40] The thermodynamic behaviour of Sm3+-doped LiKSO4 crystals
    Y. M. Abd El-Aziz
    Journal of thermal analysis, 1997, 50 (5-6): : 873 - 878