Browse > Article
http://dx.doi.org/10.4283/JKMS.2004.14.2.071

Mossbauer studies of LiFeO2 powders by sol-gel process  

An, Sung-Yong (국민대학교 물리학과)
Kim, Chul-Sung (국민대학교 물리학과)
Abstract
$\alpha$-LiFe $O_2$ powders have been prepared by a sol-gel method. The crystallographic and magnetic properties were characterized with a x-ray diffractometry, Mossbauer spectroscopy, and vibrating Samples magnetometry. The ${\gamma}$-LiFe $O_2$+LiFe$_{5}$ $O_{8}$ phase is observed in the Samples annealed at $600^{\circ}C$ for 3h in air and $\alpha$-LiFe $O_2$ phase is observed in the Samples annealed at $600^{\circ}C$ for 3 h in $H_2$(5%)/Ar(Bal.) gas atmosphere. The crystal structure of $\alpha$-LiFe $O_2$ is found to be cubic with a lattice a=4.193$\pm$0.0005 $\AA$. The Neel temperature of $\alpha$-LiFe $O_2$ is found to be 130$\pm$3 K.
Keywords
sol-gel method; Mossbauer spectroscopy; LiFe $O_2$; LiFe$_{5}$ $O_{8}$;
Citations & Related Records
연도 인용수 순위
  • Reference
1 /
[ J.L.Dormann;A.Tomas;M.Nogues ] / Phys. Stat. Sol. (a)   DOI   ScienceOn
2 /
[ F.D.Barros;P.J.Viccaro;J.O.Artman ] / Phys. Lett.
3 /
[ D.T.Margulies;F.T.Parker;A.E.Berkowitz ] / J. Appl. Phys.   DOI   ScienceOn
4 /
[ M.Schieber ] / J. Inorg. Nucl. Chem.   DOI   ScienceOn
5 /
[ V.Berbenni;A.Mariniand;D.Capsoni ] / Z. Naturforsch. (a)
6 /
[ W.H.V.Aulock ] / Handbook of microwave ferrite materials
7 /
[ G.M.Argentina;P.D.Baba ] / IEEE Trans. Microwave Theory Tech.   DOI
8 /
[ A.J.Pointon;R.C.Saull ] / J. Am. Ceram. Soc.   DOI
9 뫼스바우어분광학 /
[ 옥항남 ] / 대우학술총서 자연과학 6
10 /
[ M.Tabuchi;K.Ado;H.Sakaebe;C.Masquelier;H.Kageyama;O.Nakamura ] / Solid State Ionics   DOI   ScienceOn
11 /
[ I.Horio;X.Z.Zhou;A.H.Morrish ] / ICF 6 Proc.