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Autor:
J. Tenbrink
Publikováno v:
Le Journal de Physique IV. :Pr2-409
Using common models for the dependence of coercive force H c on grain size and for grain growth kinetics a proportionality between H c and 1/√(Dt) is deduced with diffusion coefficient D and annealing time t. This relation has been verified over a
Publikováno v:
Physica C: Superconductivity. 258:213-221
The transport critical current density (Jc) of a mono, 19 and 37 filament Bi2Sr2Ca1Cu2Oδ wire has been measured in high fields at temperatures of 4.2 K up to 80 K. Measurements were made with the field applied parallel and perpendicular to the wire
Autor:
H Krauth, J Tenbrink
Publikováno v:
Superconductor Science and Technology. 7:754-758
The thermal expansion properties of polycrystalline Bi2Sr2Ca1Cu2O8+x melt-processed bulk specimens, and Bi2Sr2Ca1Cu2O8+x monocore as well as multifilamentary round wires in Ag or Ag-alloy matrix have been investigated over the temperature range from
Publikováno v:
Cryogenics. 33:846-850
The heat transfer on the surface of high temperature superconductor (HTSC) silver-sheathed Bi 2 Sr 2 Ca 1 Cu 2 O 8 + x tapes was studied during nucleate and film boiling of liquid helium and with single-phase natural convection of helium gas. It is s
Autor:
C. Espinoza, D.J. Clark, P. L. McGaughey, E. Figueroa, Rick Chartrand, Christopher Morris, Alexei V. Klimenko, Kevin R. Vixie, Thomas J. Asaki, Nicolas W. Hengartner, F. E. Pazuchanics, Larry J. Schultz, R. Schirato, C. C. Alexander, M. Cannon, Gary E. Hogan, J.J. Gomez, Brendt Wohlberg, Matthew J. Sottile, G. McGregor, J. Medina, J. A. Green, J. D. Bacon, William C. Priedhorsky, M. Galassi, A. R. Sanchez, J. Gonzales, Konstantin N. Borozdin, Alexander Saunders, Andrew M. Fraser, Andrew G. Green, R. G. Van de Water, C. Orum, M. Sossong, K. Mosher, A. Canabal-Rey, Gary Blanpied, J. Tenbrink
Publikováno v:
2006 IEEE Nuclear Science Symposium Conference Record.
We have built a detector capable of locating high Z objects in the sampling (middle) region of the detector. As atomic number increases, radiation length rapidly decreases, yielding larger variance in scattering angle. Cosmic ray muon tomography work