کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1809558 | 1525202 | 2014 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
EPR and optical absorption studies of Cu2+ doped lithium maleate dihydrate single crystal
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
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چکیده انگلیسی
Electron paramagnetic resonance (EPR) study of Cu2+ doped lithium maleate dihydrate single crystal is done at liquid nitrogen temperature (LNT). Four hyperfine lines are observed in all directions, i.e. only a single site is observed. The spin Hamiltonian parameters are determined from EPR spectra: gx=2.100±0.002, gy=2.162±0.002, gz=2.215±0.002, Ax=(55±5)Ã10â4 cmâ1, Ay=(52±5)Ã10â4 cmâ1, Az=(50±5)Ã10â4 cmâ1. The results indicate that the copper ion enters the lattice interstitially. Using the spin Hamiltonian parameters obtained from EPR study the ground state wave function of Cu2+ ion in the lattice is determined. The optical absorption study of Cu2+ doped lithium maleate dihydrate at room temperature is also performed. With the help of optical and EPR data, the nature of bonding in the complex is discussed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 444, 1 July 2014, Pages 14-20
Journal: Physica B: Condensed Matter - Volume 444, 1 July 2014, Pages 14-20
نویسندگان
Ram Kripal, Shri Devi Pandey,