Research on order phase and second-entering-type spin glass behavior of La0.3Ca0.7Mn1－xVxO3 system | Zendy

Guoqing Yan | Zendy; Mao Qiang | Zendy; Guiying Wang | Zendy; Huanyin Guo | Zendy; Ning Liu | Zendy

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Research on order phase and second-entering-type spin glass behavior of La0.3Ca0.7Mn1－xVxO3 system

Author(s) -

Guoqing Yan,

Mao Qiang,

Guiying Wang,

Huanyin Guo,

Ning Liu

Publication year - 2010

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.59.5759

Subject(s) - antiferromagnetism , spin glass , condensed matter physics , electron paramagnetic resonance , charge ordering , materials science , spin (aerodynamics) , magnetization , phase (matter) , electrical resistivity and conductivity , charge (physics) , paramagnetism , order (exchange) , doping , nuclear magnetic resonance , physics , magnetic field , thermodynamics , finance , quantum mechanics , economics

The influence of V doping at Mn site on charge order and spin order of La0.3Ca0.7MnO3 system has been studied by the measurement of magnetization-temperature (M-T) curves,resistivity-temperature (ρ-T) curves and electron spin resonance (ESR) spectra of samples La0.3Ca0.7Mn1xVxO3 (x=0.05,0.10,0.134,0.20).The results show that, when 0.05≤3≤0.134,charge ordering (CO) phase exists in the system,and the spin order of the system exhibits the serial changes of paramagnetism (PM)—charge ordering (CO)—antiferromagnetism (AFM) with the decrease of temperature.When x=0.20,the charge ordering melts,and the system exhibits second-entering-type spin glass behavior.

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