scholarly journals Hybrid Superconducting-Ferromagnetic [Bi2Sr2(Ca,Y)2Cu3O10]0.99(La2/3Ba1/3MnO3)0.01 Composite Thick Films

Materials ◽  
2019 ◽  
Vol 12 (6) ◽  
pp. 861 ◽  
Author(s):  
J. Mejía-Salazar ◽  
José Perea ◽  
Roberto Castillo ◽  
Jesús Diosa ◽  
Eval Baca
Keyword(s):  
Magnetic Field ◽  
Low Cost ◽  
Thick Films ◽  
Annealing Process ◽  
Cuprate Superconductor ◽  
Temperature Dependent ◽  
Hybrid Compound ◽  
High Tc ◽  
Temperature Dependent Resistivity ◽  
Mgo Substrate

We report here on the development of composite thick films exhibiting hybrid superconducting and ferromagnetic properties, produced through a low-cost, fast, and versatile process. These films were made of high Tc cuprate superconductor Bi2Sr2(Ca,Y)2Cu3O10 (with Y:Ca ratio of 5%) and ferromagnetic perovskite La2/3Ba1/3MnO3, synthesized by melting-quenching annealing process on a MgO substrate. Curie temperature for La2/3Ba1/3MnO3 was determined (~336 K ) by magnetic field assisted thermogravimetric analysis (TGA), while superconducting behavior of Bi2Sr2(Ca,Y)2Cu3O10/MgO films was observed through temperature-dependent resistance measurements. Superconducting features in our hybrid compound were corroborated by temperature-dependent resistivity and magnetic susceptibility.

MICROWAVE ABSORPTION STUDIES ON HIGH-Tc SUPERCONDUCTORS AND RELATED MATERIALS VI—NON-RESONANT MICROWAVE ABSORPTION IN ULTRA-THIN Bi-Sr-Ca-Cu-O FILMS—

1992 ◽  
Vol 06 (05) ◽  
pp. 265-272 ◽  
Author(s):  
K. SUGAWARA ◽  
T. SUGIMOTO ◽  
D.J. BAAR ◽  
Y. SHIOHARA ◽  
S. TANAKA
Keyword(s):  
Magnetic Field ◽  
Microwave Absorption ◽  
Signal Intensity ◽  
Critical Magnetic Field ◽  
High Tc Superconductors ◽  
Temperature Relation ◽  
High Tc ◽  
Absorption Studies ◽  
Increasing Temperature ◽  
Mgo Substrate

Non-resonant microwave absorption (NRMA) studies have been done for Bi-Sr-Ca-Cu-O (BSCCO) films with thicknesses of 30 Å and 15 Å fabricated on MgO substrate by MOCVD. For the latter two kinds of samples have been fabricated: BSCCO/MgO and BiOx/BSCCO/MgO . NRMA signals have been detected up to about 70–75 K for all the samples. The lower critical magnetic field H c1 * of the 30 Å film was severely increased by the application of a magnetic field of several kGauss, whereas it is almost unaffected in the case of 15 Å films. H c1 * increases but the signal intensity decreases with increasing temperature for all the 30 Å and 15 Å samples. The temperature dependence of the intensity is quite different from that of thicker films (100 Å and 350 Å), in which the intensity vs. temperature relation has a peak (or peaks) at particular temperature(s).

Effect of the pressure and magnetic field on the temperature-dependent resistivity of heavy-fermion systems

1992 ◽  
Vol 46 (22) ◽  
pp. 14903-14905 ◽  
Author(s):  
Alexandre S. Rozhavsky ◽  
Alexandre M. Zagoskin ◽  
Yurij G. Naidyuk ◽  
Igor G. Tuluzov
Keyword(s):  
Magnetic Field ◽  
Heavy Fermion ◽  
Temperature Dependent ◽  
Fermion Systems ◽  
Heavy Fermion Systems ◽  
Temperature Dependent Resistivity

MICROWAVE ABSORPTION STUDIES ON HIGH-Tc SUPERCONDUCTORS AND RELATED MATERIALS V-ANOMALOUS BEHAVIOR OF LOW MAGNETIC FIELD MICROWAVE ABSORPTION IN AN ULTRA-THIN Bi-Sr-Ca-Cu-O FILM

1991 ◽  
Vol 05 (30) ◽  
pp. 1981-1987 ◽  
Author(s):  
K. SUGAWARA ◽  
T. SUGIMOTO ◽  
D.J. BAAR ◽  
Y. SHIOHARA ◽  
S. TANAKA
Keyword(s):  
Magnetic Field ◽  
Temperature Dependence ◽  
Microwave Absorption ◽  
Anomalous Behavior ◽  
High Tc Superconductors ◽  
High Tc ◽  
Absorption Studies ◽  
Signal Changes ◽  
Low Magnetic Field ◽  
Mgo Substrate

Non-resonant microwave absorption (NRMA) studies have been done on a 100 Å thick Bi-Sr-Ca-Cu-O film fabricated on MgO substrate by MOCVD. Temperature dependence of NRMA intensity reveals that the intensity becomes maximum at around 30 K, 40 K and 55 K, and minimum at around 35 K and 50 K. The sign (or phase) of the signal changes by passing through these intensity minimum temperatures. Furthermore, the linewidths of the NRMA signals anomalously increase in the vicinity of these temperatures.

scholarly journals Preparation of Bi-Pb-Sr-Ca-Cu-O High Tc Thick Films on Ag or MgO Substrate with Superconductor Paste.

1995 ◽  
Vol 42 (7) ◽  
pp. 817-820
Author(s):  
Toshiaki Ishikawa ◽  
Takashi Tsubota ◽  
Kentaro Ohhashi ◽  
Nobuyoshi Takabatake
Keyword(s):  
Thick Films ◽  
High Tc ◽  
Mgo Substrate

Characteristics of Bi-2223 Thick Films on an MgO Substrate Prepared by a Coating Method.

2002 ◽  
Vol 37 (9) ◽  
pp. 479-484
Author(s):  
Michiharu Ichikawa ◽  
Hiroyuki Kado ◽  
Masatoyo Shibuya ◽  
Masahiro Kojima ◽  
Masakazu Kawahara ◽  
...  
Keyword(s):  
Thick Films ◽  
Coating Method ◽  
Mgo Substrate

Simulation of Temperature-Dependent Resistivity for Manganite La 1/3 Ca 2/3 MnO 3

2006 ◽  
Vol 23 (6) ◽  
pp. 1551-1553 ◽  
Author(s):  
Cao Shuo ◽  
Zhou Qing-Li ◽  
Guan Dong-Yi ◽  
Lu Hui-Bin ◽  
Yang Guo-Zhen
Keyword(s):  
Temperature Dependent ◽  
Temperature Dependent Resistivity

scholarly journals Microstructure and Thermoelectric Properties of (Bi0.48Sb1.52)Te3 Thick Films Prepared with Tape Casting Method

Electronics ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 140
Author(s):  
Lichen Liu ◽  
Ziping Cao ◽  
Min Chen ◽  
Jun Jiang
Keyword(s):  
Thermoelectric Properties ◽  
Low Cost ◽  
Thick Films ◽  
Tape Casting ◽  
Casting Process ◽  
Casting Method ◽  
Glass Substrates ◽  
Conductive Films ◽  
Casting Technology

This paper reports the fabrication and characterization of (Bi0.48Sb1.52)Te3 thick films using a tape casting process on glass substrates. A slurry of thermoelectric (Bi0.48Sb1.52)Te3 was developed and cured thick films were annealed in a vacuum chamber at 500–600 °C. The microstructure of these films was analyzed, and the Seebeck coefficient and electric conductivity were tested. It was found that the subsequent annealing process must be carefully designed to achieve good thermoelectric properties of these samples. Conductive films were obtained after annealing and led to acceptable thermoelectric performance. While the properties of these initial materials are not at the level of bulk materials, this work demonstrates that the low-cost tape casting technology is promising for fabricating thermoelectric modules for energy conversion.

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