Response of microwave surface impedance in EuBa2Cu3O7−x film to a low magnetic field

1992 ◽  
Vol 194 (3-4) ◽  
pp. 363-369 ◽  
Author(s):  
Makoto Sato ◽  
Tsuneo Konaka ◽  
Hidefumi Asano
Keyword(s):  
Magnetic Field ◽  
Surface Impedance ◽  
Microwave Surface Impedance ◽  
Low Magnetic Field

Effect of ${\rm BaZrO}_{3}$ Inclusions on the Microwave Surface Impedance of YBCO Films in a Magnetic Field

2009 ◽  
Vol 19 (3) ◽  
pp. 2917-2920 ◽  
Author(s):  
N. Pompeo ◽  
R. Rogai ◽  
V. Galluzzi ◽  
A. Augieri ◽  
G. Celentano ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Surface Impedance ◽  
Ybco Films ◽  
Microwave Surface Impedance

EFFECTS OF A MAGNETIC FIELD ON THE MICROWAVE SURFACE IMPEDANCE OF Bi2Sr2CaCu2O8-x SINGLE CRYSTALS

2003 ◽  
Vol 17 (04n06) ◽  
pp. 922-928
Author(s):  
E. SILVA ◽  
R. ROGAI ◽  
R. MARCON ◽  
S. SARTI ◽  
R. FASTAMPA ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Surface Impedance ◽  
Surface Resistance ◽  
Vortex Motion ◽  
Fixed Temperature ◽  
Microwave Surface Impedance ◽  
Motion Models ◽  
Dc Magnetic Field ◽  
Surface Reactance ◽  
Sudden Decrease

We present measurements of the field-induced change of the microwave surface impedance in optimally doped Bi 2 Sr 2 CaCu 2 O 8-x crystals. Measurements are taken with microwave fields in the (a,b) planes. A moderate (< 0.7 T) dc magnetic field is applied normal to the (a,b) planes. Measurements are taken for temperatures above 70 K. At fixed temperature, with increasing field the surface resistance presents a sharp onset at low fields, a steep rise then a plateau or a peak, followed by a second, slower rise with the field. The surface reactance presents similarly a steep raise at low fields above the onset, then a sudden decrease. We discuss the applicability of commonly established vortex motion models to the observed response, and we find that substantial inconsistencies emerge. Possible influences of the layered nature on the vortex response are investigated.

HYMU 80

Alloy Digest ◽  
1971 ◽  
Vol 20 (10) ◽  
Keyword(s):  
Magnetic Field ◽  
Fracture Toughness ◽  
Corrosion Resistance ◽  
Heat Treating ◽  
Initial Permeability ◽  
Nickel Iron ◽  
Technology Corporation ◽  
Carpenter Technology Corporation ◽  
Low Magnetic Field ◽  
Maximum Permeability

Abstract Carpenter HYMU 80 is an unoriented 80% nickel-iron-molybdenum alloy which offers extremely high initial permeability and maximum permeability with minimum hysteresis loss at low magnetic field strengths. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-5. Producer or source: Carpenter Technology Corporation. Originally published May 1953, revised October 1971.

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