Structural and magnetic properties of Te-doped FeSe superconductors

Yanmaz Ekrem; Hacısalihoğlu M.; Dancer C.; Speller S.; Grevoner C.R.M.

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YANMAZ, Ekrem, HACISALIHOĞLU, M., DANCER, C., SPELLER, S., GREVONER, C.R.M.. Structural and magnetic properties of Te-doped FeSe superconductors. In: Materials Science and Condensed Matter Physics, 13-17 septembrie 2010, Chișinău. Chișinău, Republica Moldova: Institutul de Fizică Aplicată, 2010, Editia 5, p. 31.

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Materials Science and Condensed Matter Physics
Editia 5, 2010

Conferința "Materials Science and Condensed Matter Physics"
Chișinău, Moldova, 13-17 septembrie 2010

Structural and magnetic properties of Te-doped FeSe superconductors

Pag. 31-31

Yanmaz Ekrem¹, Hacısalihoğlu M.², Dancer C.³, Speller S.³, Grevoner C.R.M.³

¹ Karadeniz Technical University,
² Rize University,
³ University of Oxford

Disponibil în IBN: 12 aprilie 2021

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The effect of atomic substitution of Te in iron based superconductors FeSe (1:1 type), which exhibits the simplest crystal structure among the iron-based superconductors, have been investigated in terms of structural and magnetic properties using XRD, VSM, AC Susceptibility. Polycrystalline samples in stoichiometric ratio of FeSe1-xTex (x = 0.50, 0.60 and 0.75) were synthesized using the solid-state reaction. The magnetic susceptibility for the samples of x = 0.50(1) 0.50(2) , 0.60 and 0.75 showed a strong superconducting behavior and resistive Tc measurement showed the values of 7K, 12.6 K, 13 K and 9.6 K for x = 0.50(1) 0.50(2), 0.60 and 0.75 respectively. The a and c lattice parameters monotonically increased with increasing Te concentration.

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