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- W2003154320 abstract "Temperature dependences of magnetic susceptibility, <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>chi(T)</tex> , of single crystals and one-phase polycrystalline ternary molibdenum sulfides with various degree of perfection <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>alpha =R_{300K}/R_{T_{K}}=I2 K</tex> (where <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>R</tex> is the electrical resistence, T <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>K</inf> is the temperature of transition into the superconducting state) have been studied in the temperature range 4,2-300 K. Materials under study had the following superconducting parameters: <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>T_{K}=I2 K</tex> , the transition halfwidth for the best samples was <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>Delta T_{K}= =0,17 K, dH_{c_{2}}/dT=80-105</tex> kOe/K. It is found that the magnetic susceptibility of investigated samples is paramagnetic and grows temperature decrease and α rise. Strong temperature dependence, χ and the fact that <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>dchi/dT< 0</tex> may be accounted for if to assume that the model of electron energy spectrum is valid for ternary molib-denum salfides. According to this model the energy dependence of the density of electron states has the peak near the Fermi level, <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>N(E_{F})</tex> , and the Fermi level corresponds to that part in the <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>N(E_{F})</tex> curve where <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>dN(E_{F})dE>0</tex> . The band structure, model proposed for ternary molybdenum sulfides to explain our experimental results agrees with the dispersion law which is theoretically developed by O. K. Andersen." @default.
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- W2003154320 date "1981-09-01" @default.
- W2003154320 modified "2023-09-27" @default.
- W2003154320 title "Ultrahigh critical magnetic fields superconductors Pb<inf>0.9</inf>Mo<inf>6</inf>S<inf>7.5</inf>" @default.
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- W2003154320 doi "https://doi.org/10.1109/tmag.1981.1061313" @default.
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