2556d0f754b8525fc8d1f12d0d168e6d licundpre_a2019v9n1.pdf a039b503ba1cda30b941f08c598f8e3440cb8460 licundpre_a2019v9n1.pdf 6ad0162e7d2b214a6509b5d29544ed61b90bc297f7173159bfa1be2b8f24b615 licundpre_a2019v9n1.pdf Title: LiCrO2 Under Pressure: In-Situ Structural and Vibrational Studies Subject: The high-pressure behaviour of LiCrO2, a compound isostructural to the battery compound LiCoO2, has been investigated by synchrotron-based angle-dispersive X-ray powder diffraction, Raman spectroscopy, and resistance measurements up to 41, 30, and 10 Gpa, respectively. The stability of the layered structured compound on a triangular lattice with R-3m space group is confirmed in all three measurements up to the highest pressure reached. The dependence of lattice parameters and unit-cell volume with pressure has been determined from the structural refinements of X-ray diffraction patterns that are used to extract the axial compressibilities and bulk modulus by means of Birch–Murnaghan equation-of-state fits. The pressure coefficients for the two Raman-active modes, A1g and Eg, and their mode-Grüneisen parameters are reported. The electrical resistance measurements indicate that pressure has little influence in the resistivity up to 10 GPa. The obtained results for the vibrational and structural properties of LiCrO2 under pressure are in line with the published results of the similar studies on the related compounds. Research work reported in this article contributes significantly to enhance the understanding on the structural and mechanical properties of LiCrO2 and related lithium compounds. Keywords: high-pressure; X-ray diffraction; Raman spectroscopy; equation of state Author: Alka B. Garg, Daniel Errandonea, Julio Pellicer-Porres, Domingo Martinez-Garcia, Swayam Kesari, Rekha Rao, Catalin Popescu and Marco Bettinelli Creator: LaTeX with hyperref package Producer: pdfTeX-1.40.18 CreationDate: Thu Dec 20 12:05:45 2018 CET ModDate: Thu Feb 28 18:27:28 2019 CET Tagged: no UserProperties: no Suspects: no Form: none JavaScript: no Pages: 18 Encrypted: no Page size: 595.276 x 841.89 pts (A4) Page rot: 0 File size: 5368012 bytes Optimized: yes PDF version: 1.5 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- OPZDHV+VnURWPalladioL Type 1 Custom yes yes no 855 0 FGJTPY+URWPalladioL-Ital Type 1 Custom yes yes no 859 0 DCHULC+URWPalladioL-Bold Type 1 Custom yes yes no 862 0 UOIUEO+URWPalladioL-Roma Type 1 Custom yes yes no 865 0 VIWIOF+CMSY10 Type 1 Builtin yes yes no 868 0 KPKQBJ+EURM10 Type 1 Builtin yes yes no 871 0 INEITC+TimesNewRomanPS-BoldItalicMT Type 1C WinAnsi yes yes no 876 0 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