Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Palczewski, Ari"'
Autor:
Lechner, Eric, Angle, Jonathan, Stevie, Fred, Kelley, Michael, Reece, Charles, Palczewski, Ari
Recently, Nb superconducting radio frequency cavities vacuum heat treated between 300-400 C for a few hours have exhibited very high quality factors (~5x10^10 at 2.0 K). New secondary ion mass spectrometry measurements of O, N and C show this enhance
Externí odkaz:
http://arxiv.org/abs/2106.06647
Accurate SIMS measurement of nitrogen in niobium relies on the use of closely equivalent standards, made by ion implantation, to convert nitrogen signal intensity to nitrogen content by determination of relative sensitivity factors (RSF). Accurate RS
Externí odkaz:
http://arxiv.org/abs/2012.05956
Autor:
Kondo, Takeshi, Palczewski, Ari, Hamaya, Yoichiro, Ogawa, K., Takeuchi, Tsunehiro, Wen, J. S., Xu, G. Z. J., Gu, Genda, Kaminski, Adam
Publikováno v:
Phys. Rev. Lett. 111, 157003 (2013)
The Fermi surface in the state of cuprates is highly unusual because it appears to consist of disconnected segments called arcs. Their very existence challenges the traditional concept of a Fermi surface as closed contours of gapless excitations in m
Externí odkaz:
http://arxiv.org/abs/1208.3448
Autor:
Kondo, Takeshi, Hamaya, Yoichiro, Palczewski, Ari D., Takeuchi, Tsunehiro, Wen, J. S., Xu, Z. J., Gu, Genda, Schmalian, Joerg, Kaminski, Adam
Publikováno v:
Nature Physics 7, 21 (2011)
The discovery of the pseudogap in the cuprates created significant excitement amongst physicists as it was believed to be a signature of pairing, in some cases well above the room temperature. In this "pre-formed pairs" scenario, the formation of pai
Externí odkaz:
http://arxiv.org/abs/1005.5309
Autor:
Liu, Chang, Kondo, Takeshi, Fernandes, Rafael M., Palczewski, Ari D., Mun, Eun Deok, Ni, Ni, Thaler, Alexander N., Bostwick, Aaron, Rotenberg, Eli, Schmalian, Joerg, Bud'ko, Sergey L., Canfield, Paul C., Kaminski, Adam
Publikováno v:
Nature Physics 6, 419 (2010)
The phase diagram of a correlated material is the result of a complex interplay between several degrees of freedom, providing a map of the material's behavior. One can understand (and ultimately control) the material's ground state by associating fea
Externí odkaz:
http://arxiv.org/abs/0910.1799
Integrating areas of current research into undergraduate physics labs can be a difficult task. The location of the magnetopause is one problem that can be examined with no prior exposure to space physics. The magnetopause location can be viewed as a
Externí odkaz:
http://arxiv.org/abs/0706.1985
Akademický článek
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Autor:
Reece, Charles, Angle, Jonathan, Kelley, Michael, Lechner, Eric, Palczewski, Ari, Stevie, Fred
Over the last several years, alloying of the surface layer of niobium SRF cavities has been demonstrated to beneficially lower the superconducting RF surface resistance. Nitrogen, titanium, and oxygen have all been demonstrated as effective alloying
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5595aa2d71e928d070d10cb5f2992f5a
The Linac Coherent Light Source II High Energy (LCLS-II-HE) upgrade at the SLAC National Accelerator Laboratory is being constructed in partnership with the Thomas Jefferson National Accelerator Facility (JLab) and the Fermi National Accelerator Labo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1856117f325b92e46ad8f2e6aa889bfb
Autor:
Lechner, Eric, Angle, Jonathan, Kelley, Michael, Palczewski, Ari, Reece, Charles, Stevie, Fred
N and O-alloyed superconducting radio frequency cavities exhibit extraordinary quality factors. Developing diffusion models that describe interstitial N and O in Nb is important for optimizing alloyed cavity quality factors and accelerating gradients
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5b8bd05dc78e8786a3ccce9dd22c45d