Effect of Ni doping on magnetic and electrical properties in LaSr2Mn2-xNixO7

被引：0

作者：

Shi Zhao-Hui

Feng Jing ^{[1
]}

Meng Jian

Zhang Mi-Lin

机构：

[1] Harbin Engn Univ, Dept Chem, Harbin 150001, Peoples R China

[2] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem Phys, Changchun 130022, Peoples R China

来源：

CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2006年 / 22卷 / 08期

关键词：

magnetoresistance; perovskite; charge order; double exchange;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The effect of Ni substitution for Mn on magnetic and transport properties has been investigated for layered manganese oxides LaSr2Mn2-xNixO7. Nickel doping hampered the canted antiferromagnetic (AFM) exchange at low temperature and their Neel temperature (T-N) decreased from 138 K (x=0) to 102 K (x=0.3). Meanwhile, spin glass, charge ordering and metal-insulator transition are suppressed by Ni addition. The resistivity increases obviously with increasing x due to double exchange interaction channel broken by Ni2+ addition. The resistivity of all samples in low temperature range fits to the Mott's variable rang hopping (VRH) model, while it fits to nearest neighbor hopping of small polarons model in high temperature range.

引用

收藏

页码：1530 / 1534

页数：5

相关论文

共 12 条

[1] Magnetic properties of the LaNi1-xWxO3 (0≤x≤0.25) perovskites [J].

Alvarez, I ;

Fernandez-Diaz, MT ;

Martinez, JL ;

Veiga, ML ;

Pico, C .

JOURNAL OF SOLID STATE CHEMISTRY, 1997, 134 (02) :274-281

[2] Nature of small-polaron hopping conduction and the effect of Cr doping on the transport properties of rare-earth manganite La0.5Pb0.5Mn1-xCrxO3 [J].

Banerjee, A ;

Pal, S ;

Chaudhuri, BK .

JOURNAL OF CHEMICAL PHYSICS, 2001, 115 (03) :1550-1558

[3] FERROMAGNETIC INTERACTIONS IN NON-METALLIC PEROVSKITES [J].

BLASSE, G .

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1965, 26 (12) :1969-&

[4] Spatially inhomogeneous metal-insulator transition in doped manganites [J].

Fäth, M ;

Freisem, S ;

Menovsky, AA ;

Tomioka, Y ;

Aarts, J ;

Mydosh, JA .

SCIENCE, 1999, 285 (5433) :1540-1542

[5] Ruddlesden-popper Ln(n+1)Ni(n)O(3n+1) nickelates: Structure and properties [J].

Greenblatt, M .

CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE, 1997, 2 (02) :174-183

[6] DOUBLE EXCHANGE ALONE DOES NOT EXPLAIN THE RESISTIVITY OF LA1-XSRXMNO3 [J].

MILLIS, AJ ;

LITTLEWOOD, PB ;

SHRAIMAN, BI .

PHYSICAL REVIEW LETTERS, 1995, 74 (25) :5144-5147

[7] Colossal magnetoresistance [J].

Ramirez, AP .

JOURNAL OF PHYSICS-CONDENSED MATTER, 1997, 9 (39) :8171-8199

[8] Magnetic and transport properties of (La0.7-2xEux)(Ca0.3Srx)MnO3:: Effect of simultaneous size disorder and carrier density [J].

Rana, DS ;

Thaker, CM ;

Mavani, KR ;

Kuberkar, DG ;

Kundaliya, DC ;

Malik, SK .

JOURNAL OF APPLIED PHYSICS, 2004, 95 (09) :4934-4940

[9] Giant magnetoresistance and related properties of rare-earth manganates and other oxide systems [J].

Rao, CNR ;

Cheetham, AK ;

Mahesh, R .

CHEMISTRY OF MATERIALS, 1996, 8 (10) :2421-2432

[10] Magnetic phase transitions in the Nd(Mn0.9Me0.1)O3 (Me = Al, Fe, Cr, Zn) perovskites [J].

Troyanchuk, IO .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2001, 231 (01) :53-56