Structure and properties of the ordered double perovskites Sr2MWO6 (M = Co, Ni) by sol-gel route
作者： S.Z. Tian , J.C. Zhao , C.D. Qiao , X.L. Ji , B.Z. Jiang
DOI: 10.1016/J.MATLET.2006.01.083
关键词: Tetragonal crystal system 、 Powder diffraction 、 Néel temperature 、 Crystal structure 、 Impurity 、 Valence (chemistry) 、 Magnetoresistance 、 Magnetic moment 、 Crystallography 、 Materials science 、 Nuclear magnetic resonance
摘要: The single-phase double perovskites Sr2MWO6 (M=Co, Ni) were prepared by sol-gel method. Crystal Structure, magnetic properties and the morphology of Sr2CoWO6 Sr2NiWO6 investigated. X-ray powder diffraction (XRD) analysis shows single phase structure for without any traces impurities crystal all samples belongs to tetragonal I4/m space group. SEM image indicate that grains are homogeneous connect each other very well. Neel temperature 23 K 59 K, respectively. Magnetic measurements showed moment in these originates mainly from interactions between Ni ions Co ions.
elsevier.com
core.ac.uk 
sci-hub.se 参考文章(30)
S. F. Ho, S. Contarini, J. W. Rabalais, Ion-beam-induced chemical changes in the oxyanions (Moyn-) and oxides (Mox) where M = chromium, molybdenum, tungsten, vanadium, niobium and tantalum The Journal of Physical Chemistry. ,vol. 91, pp. 4779- 4788 ,(1987) , 10.1021/J100302A027
M. Bibes, J. Fontcuberta, A. Roig, Ll. Balcells, J. Navarro, B. Martı́nez, Cationic ordering control of magnetization in Sr2FeMoO6 double perovskite Applied Physics Letters. ,vol. 78, pp. 781- 783 ,(2001) , 10.1063/1.1346624
J. Lindén, T. Yamamoto, M. Karppinen, H. Yamauchi, T. Pietari, Evidence for valence fluctuation of Fe in Sr2FeMoO6−w double perovskite Applied Physics Letters. ,vol. 76, pp. 2925- 2927 ,(2000) , 10.1063/1.126518
T. H. Kim, M. Uehara, S-W. Cheong, S. Lee, LARGE ROOM-TEMPERATURE INTERGRAIN MAGNETORESISTANCE IN DOUBLE PEROVSKITE SRFE1- X(MO OR RE)XO3 Applied Physics Letters. ,vol. 74, pp. 1737- 1739 ,(1999) , 10.1063/1.123672
K.-I. Kobayashi, T. Kimura, H. Sawada, K. Terakura, Y. Tokura, Room-temperature magnetoresistance in an oxide material with an ordered double-perovskite structure Nature. ,vol. 395, pp. 677- 680 ,(1998) , 10.1038/27167
H. Kato, T. Okuda, Y. Okimoto, Y. Tomioka, K. Oikawa, T. Kamiyama, Y. Tokura, Structural and electronic properties of the ordered double perovskites A 2 M ReO 6 ( A =Sr,Ca; M =Mg,Sc,Cr,Mn,Fe,Co,Ni,Zn) Physical Review B. ,vol. 69, pp. 184412- ,(2004) , 10.1103/PHYSREVB.69.184412
AK Azad, S-G Eriksson, A Mellergård, SA Ivanov, J Eriksen, H Rundlöf, None, A study on the nuclear and magnetic structure of the double perovskites A2FeWO6 (A = Sr, Ba) by neutron powder diffraction and reverse Monte Carlo modeling Materials Research Bulletin. ,vol. 37, pp. 1797- 1813 ,(2002) , 10.1016/S0025-5408(02)00872-3
M Gateshki, J M Igartua, E Hern ndez-Bocanegra, X-ray powder diffraction results for the phase transitions in Sr2MWO6 (M = Ni, Zn, Co, Cu) double perovskite oxides Journal of Physics: Condensed Matter. ,vol. 15, pp. 6199- 6217 ,(2003) , 10.1088/0953-8984/15/36/309
AK Azad, S Ivanov, S-G Eriksson, H Rundlöf, J Eriksen, R Mathieu, P Svedlindh, None, Structural and magnetic properties of the double perovskite Sr2MnWO6 Journal of Magnetism and Magnetic Materials. ,vol. 237, pp. 124- 134 ,(2001) , 10.1016/S0304-8853(01)00501-7
M. García-Hernández, J. L. Martínez, M. J. Martínez-Lope, M. T. Casais, J. A. Alonso, Finding universal correlations between cationic disorder and low field magnetoresistance in FeMo double perovskite series. Physical Review Letters. ,vol. 86, pp. 2443- 2446 ,(2001) , 10.1103/PHYSREVLETT.86.2443