Zobrazeno 1 - 10
of 36
pro vyhledávání: '"B. R. Weinberger"'
Autor:
John R. Hull, L. Lynds, S.A. Basinger, T.M. Mulcahy, H.E. Eaton, B. R. Weinberger, J. Van Valzah
Publikováno v:
IEEE Transactions on Magnetics. 27:2415-2422
A study of high-temperature superconductor composites for use in magnetic bearings applications is presented. Fabrication and characterization techniques are described. Magnetometry and mechanical force measurements are correlated, with particular em
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c74c053be3d98a826eb62e07e7717d3e
https://doi.org/10.1109/20.133706
https://doi.org/10.1109/20.133706
Publikováno v:
Superconductor Science and Technology. 3:381-388
An experimental study of Meissner effect levitation involving high-temperature superconductors is presented. Two simple apparatuses are described for quantifying the static and dynamic characteristics of levitated systems. The levitation properties o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49af4711c22496d64bf5d0a9a3564f68
https://doi.org/10.1088/0953-2048/3/7/010
https://doi.org/10.1088/0953-2048/3/7/010
Publikováno v:
Applied Physics Letters. 70:255-257
Measurements of both the ac magnetic susceptibility in melt processed and film Y–Ba–Cu–O and frictional losses of spinning permanent magnets levitated above Y–Ba–Cu–O are presented. A direct correlation is observed only when large suscept
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1770cb5746af700a38414d08709c98ea
https://doi.org/10.1063/1.118383
https://doi.org/10.1063/1.118383
Autor:
B. R. Weinberger, R. B. Garber
Publikováno v:
Applied Physics Letters. 66:2409-2411
A process is described for the deposition of anatase titanium dioxide films by reactive magnetron sputtering. The films have a porous columnar morphology with a high effective surface area making them well suited to be used as photocatalysts. Data ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15783e3a73301d8fddbd0cfd50304645
https://doi.org/10.1063/1.113956
https://doi.org/10.1063/1.113956
Publikováno v:
Journal of Applied Physics. 72:2089-2091
Magnetic levitation and stiffness have been measured in several systems composed of a permanent magnet elastically suspended above a stationary melt‐textured sample of Y‐Ba‐Cu‐O. The levitation force and vertical stiffness have been calculate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c92a23df87b8db0fa13d78dde93e3f2
https://doi.org/10.1063/1.351595
https://doi.org/10.1063/1.351595
Publikováno v:
Applied Physics Letters. 59:1132-1134
A study of drag in rotating permanent magnet/high temperature superconductor magnetic bearings is reported. The effects of magnet asymmetry, atmospheric resistance, and eddy currents are discussed. One of the bearings achieved a rotational speed of 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de8c5825097f081eda832be23130980e
https://doi.org/10.1063/1.106367
https://doi.org/10.1063/1.106367
Autor:
L. Lynds, B. R. Weinberger
Publikováno v:
Laser Ablation Mechanisms and Applications ISBN: 9780387977317
Pulsed KrF (248 nm) excimer laser ablation of targets can generate quasi-neutral ground state atomic particle plasmas with energies in the range of 200 -1100 eV. Onset of plasma formation occurs when optical intensities exceed 108 W/cm2. The expandin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7cf509a2f3733e703889739e538be6c
https://doi.org/10.1007/bfb0048378
https://doi.org/10.1007/bfb0048378
Autor:
B. R. Weinberger, L. Lynds
Publikováno v:
MRS Proceedings. 191
Pulsed KrF (248 nm) excimer laser ablation of targets can provide a source of atomic particles with energies in the range of 40 – 850 eV with beam-like characteristics. Optical intensities above about 109 W/cm2 lead mainly to single and multiply ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f51ad2ba3452af0e1647727ffd9c5a09
https://doi.org/10.1557/proc-191-3
https://doi.org/10.1557/proc-191-3
Optical Absorption in Polyacetylene: A Direct Measurement Using Photothermal Deflection Spectroscopy
Publikováno v:
Physical Review Letters. 53:86-89
We present direct measurements of the optical absorption in undoped and ammoniatreated polyacetylene utilizing the technique of photothermal deflection spectroscopy. Our spectra show an Urbach-type edge and a broad, N${\mathrm{H}}_{3}$-sensitive sub-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::452d7931c0a529f02503a8bb1ba53bff
https://doi.org/10.1103/physrevlett.53.86
https://doi.org/10.1103/physrevlett.53.86
Publikováno v:
The Journal of Chemical Physics. 72:4749-4755
We present electron spin resonance studies of the magnetic defect in undoped polyacetylene. Temperature dependences of the absorption spectra of (CD)x and (CH)x over the range 2–295 K have been obtained. The properties of the magnetic defect in ful
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f527992390181b26843f4fbaa0f163c
https://doi.org/10.1063/1.439808
https://doi.org/10.1063/1.439808