Investigations of even-order harmonic susceptibilities of MgB2 superconductors using critical state approach

Gencer, ALİ; Guclu, N; Yilmaz, H; Kilic, A; Askerzade, İMAN; Aksu, E; Hascicek, Ys

doi:10.1109/tasc.2003.812383

Investigations of even-order harmonic susceptibilities of MgB2 superconductors using critical state approach

Gencer A., Guclu N., Yilmaz H., Kilic A., Askerzade İ., Aksu E., ...Daha Fazla

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, cilt.13, sa.2, ss.3514-3517, 2003 (SCI-Expanded, Scopus)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 13 Sayı: 2
Basım Tarihi: 2003
Doi Numarası: 10.1109/tasc.2003.812383
Dergi Adı: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Sayfa Sayıları: ss.3514-3517
Anahtar Kelimeler: field dependent critical current density J(c), flux penetration, harmonic susceptibilities, MgB2, simplified Kim model, HIGH-TEMPERATURE SUPERCONDUCTORS, AC SUSCEPTIBILITIES, MAGNETIZATION, FIELD, CURRENTS, DISKS
Ankara Üniversitesi Adresli: Evet

Özet

Even-order harmonic susceptibilities chi(n) = chi(n)' + ichi(n)" (n is even) of MgB2 were measured at temperatures between n 15 and 45 K with small ac and dc field combinations. The simplified Vim model was employed to account for the main features of the experiments by use of a fitting equation H-p = H-alpha (1 - t)(beta) for temperature scaling. The experiments are in qualitative agreement with theory.