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首页> 外文期刊>Applied Physics >Analysis of electron paramagnetic resonance and optical studies of central metal ion (Cu~(2+)) in lithium potassium phthalate single crystal
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Analysis of electron paramagnetic resonance and optical studies of central metal ion (Cu~(2+)) in lithium potassium phthalate single crystal

机译:邻苯二甲酸锂单晶中央金属离子(Cu〜(2+)的电子顺磁共振和光学研究分析

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摘要

Molecular ion Cu2+ in lithium potassium phthalate (LiKP) single crystal has been grown at room temperature by slow evaporation process. Single crystal EPR study has been taken for the LiKP:Cu2+ crystal. Presence of two Cu2+ sites is reported from EPR data. Angular variation plot in the three planes is used to determine the principal g and A values. Spin Hamiltonian parameter values reveal that site A and site B exist as orthorhombic and axial crystal field symmetry around the impurity ion. Substitutional incorporation has occurred for site A and site B exists as interstitial position in the LiKP:Cu2+ crystal lattice. Using admixture coefficient terms, the ground state of the grown crystal has been calculated. Molecular orbital coefficients have been obtained from the principal g and A values. Optical absorption study was carried out at room temperature. Through optical absorption data, D-q, D-s, and D-t parameters have been evaluated, showing the tetragonally distorted octahedral symmetry of Cu2+ ion in LiKP lattice.
机译:通过缓慢的蒸发过程在室温下生长了邻苯二甲酸锂(LIKP)单晶的分子离子Cu 2 +。针对LIKP:CU2 +晶体进行了单晶EPR研究。从EPR数据报告了两个CU2 +网站的存在。三个平面中的角度变化图用于确定主体g和值。 Spin Hamiltonian参数值显示,位于杂质离子周围的位置A和位点B存在于杂质和轴向晶体场对称。出售地点A的替代掺入,并且网站B存在于LIKP中的间隙位置:CU2 +晶格。使用混合系数术语,已经计算了生长晶体的研磨状态。已经从主G和值获得了分子轨道系数。光学吸收研究在室温下进行。通过光学吸收数据,已经评估了D-Q,D-S和D-T参数,显示了在Likp格子中的Cu2 +离子的四边形扭曲的八面体对称。

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  • 来源
    《Applied Physics》 |2019年第2期|95.1-95.9|共9页
  • 作者单位

    Gandhigram Rural Inst Deemed Be Univ Dept Phys Dindigul 624302 Tamil Nadu India;

    CSIR Cent Electrochem Res Inst Karaikkudi 630003 Tamil Nadu India;

    CSIR Cent Electrochem Res Inst Karaikkudi 630003 Tamil Nadu India;

    Gandhigram Rural Inst Deemed Be Univ Dept Phys Dindigul 624302 Tamil Nadu India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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