scholarly journals Directly coupled superconducting quantum interference device magnetometer fabricated in magnesium diboride by focused ion beam

2002 ◽  
Vol 81 (1) ◽  
pp. 102-104 ◽  
Author(s):  
Gavin Burnell ◽  
Dae-Joon Kang ◽  
David A. Ansell ◽  
H.-N. Lee ◽  
S.-H. Moon ◽  
...  
Keyword(s):  
Quantum Interference ◽  
Focused Ion Beam ◽  
Magnesium Diboride ◽  
Ion Beam ◽  
Superconducting Quantum Interference Device ◽  
Superconducting Quantum Interference

CRITICAL CURRENT DEPENDENCE OF STACKED JOSEPHSON JUNCTIONS DC SQUID IN Bi2Sr2CaCu2O8+Δ

2007 ◽  
Vol 21 (18n19) ◽  
pp. 3270-3273 ◽  
Author(s):  
SANG-JAE KIM
Keyword(s):  
Magnetic Fields ◽  
Critical Current ◽  
Josephson Junctions ◽  
Quantum Interference ◽  
Focused Ion Beam ◽  
Ion Beam ◽  
Periodic Modulation ◽  
Superconducting Quantum Interference Device ◽  
Current Dependence ◽  
Loop Area

We investigate critical current (Ic) modulation of stacked Josephson junctions (SJJs) dc superconducting quantum interference device ( dc SQUID) on a Bi 2 Sr 2 CaCu 2 O 8+δ ( Bi -2212) whisker. A coupled SJJs with a completely perforated hole of 0.1 μ m × 0.2 μ m were fabricated by using a 3-D focused-ion-beam (FIB) etching method. Those dc SQUIDs exhibited uniform multi-branch structures and clearly oscillated critical current under external magnetic fields (He). With applying He, the clear periodic modulation patterns of Ic are obtained and well fitted to the calculated value from the loop area of 0.02 μm2.

A scanning superconducting quantum interference device microscope for room temperature samples

2002 ◽  
Vol 11 (11) ◽  
pp. 1135-1139 ◽  
Author(s):  
Ding Hong-Sheng ◽  
Zhang Feng-Hui ◽  
Yan Xiao-Ming ◽  
Han Shi-Ji ◽  
Dong Shi-Ying ◽  
...  
Keyword(s):  
Quantum Interference ◽  
Room Temperature ◽  
Superconducting Quantum Interference Device ◽  
Superconducting Quantum Interference
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