Results overview: Found 2 records in 0.02 seconds.
Articles, 2 records found
Articles 2 records found  
1.
4 p, 246.1 KB Flux-flow critical-state susceptibility of superconductors / Chen, Du-Xing (Universitat Autònoma de Barcelona. Departament de Física) ; Sánchez Moreno, Álvaro (Universitat Autònoma de Barcelona. Departament de Física) ; Pardo Vivé, Enric (Slovak Academy of Sciences. Institute of Electrical Engineering) ; American Physical Society
The field-amplitude Hm and circular frequency ω dependent ac susceptibility, χ=χ'−jχ'', of a hard superconducting cylinder with flux-flow type current-voltage characteristic is calculated. A remarkable feature of the resultant χ(Hm,ω) is that both the maximum χ'', χ''m, and dlgHm(χ''m)/dlgω increase with increasing ω. [...]
2005 - 10.1063/1.1947370
Applied physics letters, Vol. 86, Issue 24 (June 2005) , p. 242503/1-242503/3  
2.
4 p, 260.7 KB ac susceptibility and critical-current densities in sintered YBa2Cu3O7−δ superconductors / Chen, Du-Xing (Institució Catalana de Recerca i Estudis Avançats) ; Sánchez Moreno, Álvaro (Universitat Autònoma de Barcelona. Departament de Física) ; Pardo Vivé, Enric (Universitat Autònoma de Barcelona. Departament de Física) ; Bartolomé Porcar, María Elena (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
The field-amplitude and frequency dependent complex ac susceptibility of a well sinteredYBa2Cu3O7−δ disk has been measured at 77K, which shows that its intra- and intergranular critical-current densities are determined by the collective flux creep inside the grains and the maximum Josephsoncurrents across the grain boundaries, respectively. [...]
2006 - 10.1063/1.2336596
Applied physics letters, Vol. 89, Issue 7 (August 2006) , p. 072501/1-072501/3  

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