Study of the Verwey transition in magnetite by low field and magnetically modulated non-resonant microwave absorption

2007 ◽  
Vol 316 (2) ◽  
pp. e738-e740 ◽  
Author(s):  
M.P. Gutiérrez ◽  
G. Alvarez ◽  
H. Montiel ◽  
R. Zamorano ◽  
R. Valenzuela
Keyword(s):  
Microwave Absorption ◽  
Verwey Transition ◽  
Low Field

Multiphase superconductivity in OO-PPV/C60 composite doped by alkali metals low-field microwave absorption and SQUID study

1996 ◽  
Vol 264 (3-4) ◽  
pp. 161-171 ◽  
Author(s):  
Katsumi Yoshino ◽  
Anvar A. Zakhidov ◽  
Hirotake Kajii ◽  
Hisashi Araki ◽  
Kazuya Tada ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Alkali Metals ◽  
Low Field

Angular dependence of low-field microwave absorption in Co-rich amorphous alloys

2007 ◽  
Vol 353 (8-10) ◽  
pp. 908-910 ◽  
Author(s):  
H. Montiel ◽  
G. Alvarez ◽  
R. Zamorano ◽  
R. Valenzuela
Keyword(s):  
Microwave Absorption ◽  
Angular Dependence ◽  
Amorphous Alloys ◽  
Low Field

Modulated microwave absorption in single crystal Bi–Sr–Ca–Cu–O

1992 ◽  
Vol 7 (4) ◽  
pp. 837-843
Author(s):  
R.S. Rubins ◽  
Z. Trybula ◽  
S. Waplak ◽  
John E. Drumheller ◽  
Donglu Shi ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Modulation Amplitude ◽  
Broad Line ◽  
Low Field ◽  
A Value ◽  
Flux Trapping ◽  
Line Absorption ◽  
The Relationship ◽  
Maximum Field ◽  
Absorption Measurements

Modulated microwave absorption measurements at 9.3 GHz were made on the low field absorption observed in the superconducting phase of Bi–Sr–Ca–Cu–O. The line intensity observed with a low modulation amplitude of 50 mOe showed a maximum between 70 K and 80 K and dropped to zero near 95 K. With a modulation amplitude of 10 Oe, an additional broad line absorption was observed above 88 K, peaking in intensity near 95 K, and disappearing above 100 K. Hysteresis, associated with flux trapping, occurred when the maximum field Hmax in a sweep cycle exceeded a critical value H*(T), which varied from about 7 Oe at 59 K to 1 Oe at 82 K. For Hmax > H*, the hysteresis splitting at first varied linearly with (Hmax – H*), later saturating at a value δHmax(T). Above 70 K, the relationship δHmax = b(T0 – T) was obeyed with T0 = 92.3 K and b· = −0.3 Oe/K for H perpendicular and b· = −0.23 Oe/K for H parallel to the c-axis.

Low Field Microwave Absorption Study on K3C60

1998 ◽  
pp. 207-210
Author(s):  
Kazushi Sugawara ◽  
Nozomi Ohya ◽  
Nobuhito Arai ◽  
Keiji Yamamoto ◽  
Haruo Hirose
Keyword(s):  
Microwave Absorption ◽  
Absorption Study ◽  
Low Field

Flux trapping on multi-superconducting phase PAT12-C60Rb composite: Low-field microwave absorption study

1997 ◽  
Vol 103 (11) ◽  
pp. 607-614 ◽  
Author(s):  
Hisashi Araki ◽  
Hirotake Kajii ◽  
Kazuya Tada ◽  
Anvar A. Zakhidov ◽  
Kyuya Yakushi ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Superconducting Phase ◽  
Absorption Study ◽  
Low Field ◽  
Flux Trapping

Low-field microwave absorption in mechanical mixes of superconducting YBa2Cu3O7 –xwith Al2O3and BaPbO3

1990 ◽  
Vol 86 (22) ◽  
pp. 3829-3830 ◽  
Author(s):  
Robert Janes ◽  
Kaushal K. Singh ◽  
Jane Blunt ◽  
Peter P. Edwards
Keyword(s):  
Microwave Absorption ◽  
Low Field

Model for low-field microwave absorption in granular type-II superconductors

1995 ◽  
Vol 52 (21) ◽  
pp. 15475-15478 ◽  
Author(s):  
A. Pertile ◽  
O. A. Lopez ◽  
H. A. Farach ◽  
R. J. Creswick ◽  
C. P. Poole
Keyword(s):  
Microwave Absorption ◽  
Type Ii ◽  
Type Ii Superconductors ◽  
Low Field

Novel normal-state low field microwave absorption in SmFeAsO1−xFx iron pnictide superconductors

2020 ◽  
Vol 307 ◽  
pp. 113800
Author(s):  
R.B. Onyancha ◽  
J. Shimoyama ◽  
Jayashree Das ◽  
H. Ogino ◽  
U.O. Aigbe ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Normal State ◽  
Iron Pnictide ◽  
Low Field ◽  
Pnictide Superconductors
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