Exploring the structural and optical properties of lithium-chromium phosphate Li3Cr2(PO3)4

被引：2
作者：
Souissi, Hajer [1 ]
Kammoun, Souha [1 ]
Dhahri, Essebti [1 ]
Lopez-Lago, E. [2 ,3 ]
Costa, B. F. O. [4 ]
机构：
[1] Sfax Univ, Fac Sci Sfax, Appl Phys Lab, Luminescent Mat Phys Grp, BP 1171, Sfax 3000, Tunisia
[2] Univ Santiago De Compostela, Fac Opt Optometria, Dept Fis Aplicada, Galicia 15782, Spain
[3] Univ Santiago De Compostela, Inst Mat iMATUS, Galicia 15782, Spain
[4] Univ Coimbra, Phys Dept, CFisUC, P-3004516 Coimbra, Portugal
来源：
HELIYON | 2024年 / 10卷 / 16期
关键词：
Li3Cr2(PO4)(3) material; Neuhauser model; Crystal structure; Optical parameters; Crystal field theory; CRYSTAL-FIELD; INTERFERENCE DIPS; MOLECULAR-PROPERTIES; ELECTRONIC-STRUCTURE; ANALYTICAL EQUATIONS; VANADIUM PHOSPHATE; ABSORPTION-SPECTRA; INFRARED-SPECTRA; CATHODE MATERIAL; ENERGY-LEVELS;
D O I：
10.1016/j.heliyon.2024.e36188
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The Lithium-chromium phosphate Li3Cr2(PO3)(4) sample was synthesized via the solid-state reaction method. The morphological integrity and chemical homogeneity were verified by energy dispersive X-ray analysis (EDX) and scanning electron microscopy (SEM). Infrared and Raman patterns were also analyzed. Optical absorption spectrum analysis, conducted within the range of 10000 cm(-1) to 30000 cm(-1) at room temperature, yielded some optical parameters (Eg, Eu, u , delta, k, n). The Neuhauser model is used to interpret the interference dip which was on the absorption spectrum of Li3Cr2(PO3)(4). The Fourier transform of the autocorrelation function leads to the Zero Phonon Lines of the observed absorption energies. The electronic structure of Cr3+ (3d (Huang et al., 2009) 33) ions in Li3Cr2(PO3)4 was calculated using Racah method, which allowed for precise calculations of Racah and crystal-field parameters. The results showed good agreement between the theoretical and experimental energy levels.
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页数：18
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