Zobrazeno 1 - 10
of 11
pro vyhledávání: '"D. M. Potrepka"'
Autor:
J. I. Budnick, D. M. Potrepka, A. A. Antonov, Anatoly I. Frenkel, Steve M. Heald, Ken Sills, D. I. Brewe, M. Daniel, I. K. Grigorieva, Douglas M. Pease, C. Nelson, M. Hammes, T. Rhodes
Publikováno v:
Review of Scientific Instruments. 71:3267-3273
We have constructed an x-ray monochromator based on a log spiral of revolution covered with highly oriented pyrolytic graphite. Such a monochromator is used for obtaining x-ray absorption edge fine structure by the fluorescence method, and is particu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2f962e180dde18f875e345fc88f7867
https://doi.org/10.1063/1.1287753
https://doi.org/10.1063/1.1287753
Autor:
A. R. Moodenbaugh, M. Balasubramanian, D. M. Potrepka, William A. Hines, D. B. Fenner, J. I. Budnick
Publikováno v:
Physical Review B. 60:10489-10499
${}^{63,65}\mathrm{Cu}$ nuclear quadrupole resonance (NQR), ${}^{63,65}\mathrm{Cu}$ and ${}^{79,81}\mathrm{Br}$ nuclear magnetic resonance (NMR), and Br K-edge x-ray-absorption fine-structure (XAFS) measurement techniques have been used to study the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad8c60ed17457bda7ce75ba54614793c
https://doi.org/10.1103/physrevb.60.10489
https://doi.org/10.1103/physrevb.60.10489
Autor:
Francis S. Galasso, D. M. Potrepka, L.G. Carreiro, L. Lynds, D. B. Fenner, C.E. Rossman, J. I. Budnick
Publikováno v:
Applied Superconductivity. 4:119-133
The characteristics of the transition to superconductivity in R Ba 2 Cu 3 O (7−δ) , where R includes: Y, Gd, Eu and Dy, have been investigated, for applications to transition-edge thin-film bolometers. Devices were fabricated from thin, epitaxial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca3ca6991f6220692b0c5cb0d2b590fb
https://doi.org/10.1016/s0964-1807(96)00019-1
https://doi.org/10.1016/s0964-1807(96)00019-1
Publikováno v:
Applied Physics Letters. 73:1137-1139
63,65Cu nuclear quadrupole resonance (NQR) and Br k-edge x-ray absorption fine structure (XAFS) have been used to study the local structures in well-characterized samples of deoxygenated and brominated YBa2Cu3Oy(YBCO). NQR shows that after brominatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59e4ba1a6661b73f203a0be6a4d11838
https://doi.org/10.1063/1.122108
https://doi.org/10.1063/1.122108
Publikováno v:
Physica C: Superconductivity. :611-612
Zero-field 63, 65 Cu nuclear quadrupole resonance (NQR) and nuclear magnetic resonance (NMR) spectra were obtained at 1.3 K for powdered samples of Y 1−x Ca x Ba 2 Cu 3 O y with 0 ≤ x ≤ 0.20. The results for the deoxygenated samples (y = 6.05)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6381a1f43529f846d590f85c4ff2e77
https://doi.org/10.1016/s0921-4534(00)00613-4
https://doi.org/10.1016/s0921-4534(00)00613-4
Publikováno v:
Journal of Applied Physics. 99:014108
Ba0.6Sr0.4TiO3 films with a thickness of 200nm were deposited on Pt–Si substrates at 400 and 700°C. Room-temperature tunability was measured and found to improve with deposition temperature, but losses also increased. The dielectric constant, tuna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::154a37b2cdfbe354cb3c6fe38db0427d
https://doi.org/10.1063/1.2159557
https://doi.org/10.1063/1.2159557
Publikováno v:
Physica C: Superconductivity. 159:61-69
A study of the interaction of pulsed coherent radiation from a Nd:YAG laser (wavelength 1064 nm) with solid targets used in the deposition of YBa2Cu3O7−x superconducting thin films is presented. Electron microscopy, time-of-flight mass spectroscopy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fda8804e8bf78c2ce71a383fd8edb67
https://doi.org/10.1016/0921-4534(89)90104-4
https://doi.org/10.1016/0921-4534(89)90104-4
Autor:
L. Lynds, H.E. Eaton, B. R. Weinberger, J. I. Budnick, D. M. Potrepka, D.B. Snow, R. Cipolli, C.T. Burila, Z. Tan
Publikováno v:
Physica C: Superconductivity. 161:91-104
An experimental study is presented of Y-Ba-Cu-O/Ag composites employing a variety of different experimental techniques: electrical transport, magnetometry, light and electron microscopy, electron microprobe analysis, X-ray diffractometry, and X-ray a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1960608f131918ddc8bd7c2790375355
https://doi.org/10.1016/0921-4534(89)90047-6
https://doi.org/10.1016/0921-4534(89)90047-6
Publikováno v:
SPIE Proceedings.
Thin films of Y-Ba-Cu-O and Y-Ba-Cu-O/Ag were deposited by pulsed Nd:YAG laser (1064 nm) ablation. Meissner flux exclusion and expulsion, magnetization hysteresis, and flux dynamics measurements were performed to demonstrate the utility of SQUID magn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::614a844762ebbe4796bb10d1a4eafd7e
https://doi.org/10.1117/12.951639
https://doi.org/10.1117/12.951639
Autor:
L. Lynds, B. R. Weinberger, D. P. Yang, J. I. Budnick, F. Otter, S. F. Galasso, William A. Hines, M. Filipkowski, D. M. Potrepka
Publikováno v:
MRS Proceedings. 99
We report low and high field vibrating sample magnetometry results and resistance measurements on a highly oriented, single-phase sample of Y1Ba2Cu3O7−x. We find no anisotropy for the low-field (1mT) Meissner effect or trapped flux. Ratios for high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4364d1b2e151a35a7c96c88ab4b1f949
https://doi.org/10.1557/proc-99-443
https://doi.org/10.1557/proc-99-443