Özet
Superconductivity and magnetic properties were studied for La and Pt substituted (Ca, Ba) 0.9 La 0.1 Fe 1.9 Pt 0.1 As 2 samples using structural, resistivity and magnetic measurement techniques. All bulk samples were synthesized by solid-state reaction method and annealed under a specific annealing technique with a time-dependent annealing process in vacuumed quartz tubes. ThCr 2 Si 2 -type crystal structure was concluded for both samples varying with in- and out-of-plane lattice parameters. The superconducting critical temperatures were determined by resistivity and under H = 20 Oe magnetization measurements, which were performed between the temperature ranges of 0-200 K. The upper and lower critical fields were determined and possible Meissner effects were roughly figured out to understand the level of shielding from M-H measurements. The maximum critical temperature was obtained from Ca 0.9 La 0.1 Fe 1.9 Pt 0.1 As 2 .
Orijinal dil | İngilizce |
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Makale numarası | 1950008 |
Dergi | International Journal of Modern Physics B |
Hacim | 33 |
Basın numarası | 4 |
DOI'lar | |
Yayın durumu | Yayınlanan - 10 Şub 2019 |
Harici olarak yayınlandı | Evet |