Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Liepe, Matthias U"'
Autor:
Sun, Zeming, Dare, Darrah K., Baraissov, Zhaslan, Muller, David A., Thompson, Michael O., Liepe, Matthias U.
Intermetallic Nb3Sn alloys have long been believed to form through Sn diffusion into Nb. However, our observations of significant oxygen content in Nb3Sn prompted an investigation of alternative formation mechanisms. Through experiments involving dif
Externí odkaz:
http://arxiv.org/abs/2305.05114
Autor:
Sun, Zeming, Baraissov, Zhaslan, Dukes, Catherine A., Dare, Darrah K., Oseroff, Thomas, Thompson, Michael O., Muller, David A., Liepe, Matthias U.
Publikováno v:
Supercond. Sci. Technol. 36 (2023) 115030
Surface structures on radio-frequency (RF) superconductors are crucially important in determining their interaction with the RF field. Here we investigate the surface compositions, structural profiles, and valence distributions of oxides, carbides, a
Externí odkaz:
http://arxiv.org/abs/2305.02467
Autor:
Sun, Zeming, Oseroff, Thomas, Baraissov, Zhaslan, Dare, Darrah K., Howard, Katrina, Francis, Benjamin, Hire, Ajinkya C., Sitaraman, Nathan, Arias, Tomas A., Transtrum, Mark K., Hennig, Richard, Thompson, Michael O., Muller, David A., Liepe, Matthias U.
Superconducting radio-frequency (SRF) resonators are critical components for particle accelerator applications, such as free-electron lasers, and for emerging technologies in quantum computing. Developing advanced materials and their deposition proce
Externí odkaz:
http://arxiv.org/abs/2302.14410
Autor:
Sun, Zeming, Baraissov, Zhaslan, Porter, Ryan D., Shpani, Liana, Shao, Yu-Tsun, Oseroff, Thomas, Thompson, Michael O., Muller, David A., Liepe, Matthias U.
Publikováno v:
Superconductor Science and Technology, 2023
Workbench-size particle accelerators, enabled by Nb3Sn-based superconducting radio-frequency (SRF) cavities, hold the potential of driving scientific discovery by offering a widely accessible and affordable source of high-energy electrons and X-rays.
Externí odkaz:
http://arxiv.org/abs/2302.02054
Autor:
Sun, Zeming, Ge, Mingqi, Maniscalco, James T., Arrieta, Victor, McNeal, Shawn R., Liepe, Matthias U.
Combining chemical vapor deposition (CVD) with electrochemical polish (EP) operations is a promising route to producing performance-capable superconducting films for use in the fabrication of cost-effective components for superconducting radiofrequen
Externí odkaz:
http://arxiv.org/abs/2301.00788
Nb3Sn and V3Si thin films are promising candidates as thin films for the next generation of superconducting radio-frequency (SRF) cavities. However, sputtered films often suffer from stoichiometry and strain issues during deposition and post annealin
Externí odkaz:
http://arxiv.org/abs/2301.00756
Autor:
Sitaraman, Nathan S., Sun, Zeming, Francis, Ben, Hire, Ajinkya C., Oseroff, Thomas, Baraissov, Zhaslan, Arias, Tomás A., Hennig, Richard, Liepe, Matthias U., Muller, David A., Transtrum, Mark K.
Niobium-zirconium (Nb-Zr) alloy is an old superconductor that is a promising new candidate for superconducting radio-frequency (SRF) cavity applications. Using density-functional and Eliashberg theories, we show that addition of Zr to a Nb surface in
Externí odkaz:
http://arxiv.org/abs/2208.10678
Autor:
Sitaraman, Nathan S., Carlson, Jared, Pack, Alden R., Porter, Ryan D., Liepe, Matthias U., Transtrum, Mark K., Arias, Tomás A.
Publikováno v:
Phys. Rev. B 103, 115106 (2021)
Antisite defects play a critical role in Nb$_3$Sn superconducting radio frequency (SRF) cavity physics. Such defects are the primary form of disorder in Nb$_3$Sn, and are responsible for stoichiometry variations, including experimentally observed tin
Externí odkaz:
http://arxiv.org/abs/1912.07576
Publikováno v:
Journal of Applied Physics; 12/14/2023, Vol. 134 Issue 22, p1-11, 11p
Publikováno v:
Phys. Rev. Applied 4, 044019 (2015)
Determining the optimal arrangement of superconducting layers to withstand large amplitude AC magnetic fields is important for certain applications such as superconducting radiofrequency cavities. In this paper, we evaluate the shielding potential of
Externí odkaz:
http://arxiv.org/abs/1506.08428