Electrical Transport in Dysprosium Iron Garnet

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概要

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• The thermoelectric powder 〓 (600-1200 K) and electrical conductivity σ (500-1200K) of Dy_3Fe_5O_<12> (Dysprosium Iron Garnet DyIG) are reported. Breaks in the slope of log σ vs T^<-1> were observed round 562 and 1000 K. Apart from these breaks, the log σ vs T^<-1> curves are linear, and their slopes correspond to activation energies of 0.72 eV (T<562 K), 0.90 eV (562-1000 K) and 0.66 eV (T>1000 K). 〓 remains practically constant above 1000 K, but below this temperature 〓 vs T^<-1> is linear and can be expressed by the relation 〓=-((0.242X10^3)/T+0.06)(mV)/K It is concluded that the charge carries in this solid are extrinsic and conduct via the thermally-activated hopping mechanism.

• 社団法人応用物理学会の論文
• 1979-12-05

著者

• Yadav Vijayee

  Department Of Physics University Of Gorakhpur:(present Address) Physics Department S.d.degree Colleg

• LAL H.B.

  Department of Physics, University of Gorakhpur

• Lal H.b.

  Department Of Physics University Of Gorakhpur

関連論文

• Electrical Transport in Dysprosium Iron Garnet
• Magnetic Susceptibility, Electrical Conductivity and Dielectric Constant of Eu_2(WO_4)_3 Single Crystals
• Electrical Transport in Rare-Earth Molybdates: Gd_2(MoO_4)_3 and Tb_2(MoO_4)_3

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