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2221
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2223
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2224por Weymann, Christian, Lichtensteiger, Céline, Fernandez-Peña, Stéphanie, Cordero-Edwards, Kumara, Paruch, Patrycja“…Radio-frequency off-axis magnetron sputtering is a well established technique to produce high quality epitaxial thin films of complex oxides. It has been successfully used for over two decades to grow thin films, superlattices and even solid solutions. …”
Publicado 2020
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2225
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2226por Beev, Nikolai“…In this work measurements of excess noise in precision thin film and metal foil resistor networks are presented. …”
Publicado 2022
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2227
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2228por Turner, Daniel, Burt, Graeme, Chyhyrynets, Eduard, Dumbell, Keith, Junginger, Tobias, Leith, Stewart, Malyshev, Oleg, Medvids, Arturs, Onufrijevs, Pavels, Pira, Cristian, Ries, Rastislav, Seiler, Eugen, Sublet, Alban, Valizadeh, Reza, Vogel, Michael, Wilson, James“…Superconducting (SC) thin film coatings on Cu substrates are already widely used as an alternative to bulk Nb SRF structures. …”
Publicado 2022
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2229“…Superconducting radio-frequency (SRF) thin film cavities on copper substrates are employed in several particle accelerators. …”
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2230por Bloess, D, Durand, C, Mahner, E, Nakai, H, Weingarten, Wolfgang, Bosland, P, Mayer, J, Van Loyen, L“…Copper cavities with a thin niobium film as used in the large electron positron collider LEP would be also attractive for future linear colliders, provided the decrease of the Q-value with the accelerating gradient can be reduced. …”
Publicado 1996
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2231por Benvenuti, Cristoforo, Calatroni, Sergio, Campisi, I E, Darriulat, Pierre, Peck, M A, Russo, R“…Niobium-coated copper resonators are usually produced with an oxide interface between the film and the substrate. This oxide has two sources: the passivation layer inevitably formed on the surface of the cavity after chemical preparation before coating, and the niobium oxide which builds up on the surface of the cathode when it is exposed to air, and is transferred to the cavity surface during coa ting. …”
Publicado 1997
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2232
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2233
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2234
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2235por Benvenuti, Cristoforo, Calatroni, Sergio, Campisi, I E, Darriulat, Pierre, Peck, M A, Russo, R, Valente, A M“…A systematic study of superconducting properties of niobium films sputtered on the inner wall of radiofrequency cavities is presented. …”
Publicado 1998
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2236
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2237por Valente, A M, Benvenuti, Cristoforo, Calatroni, Sergio, Darriulat, Pierre, Peck, M A, Van't Hof, C A“…They are the formation of hydride precipitates, the contamination by discharge gas atoms and the presence of macroscopic defects in the film, induced by defects in the substrate. It will be shown that residual resistances as low as those obtained for bulk niobium can be achieved, together with a very small dependence on the amplitude of the RF field.…”
Publicado 1999
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2238por Benvenuti, Cristoforo, Chiggiato, P, Costa-Pinto, P, Escudeiro-Santana, A, Hedley, T, Mongelluzzo, A, Ruzinov, V, Wevers, I“…Sputter-deposited thin films of TiZrV are fully activated after 24 h "in situ" heating at 180 °C. …”
Publicado 1999
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2239
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2240“…The surface activation process of sputter-coated non-evaporable getter (NEG) thin films based on Ti-Zr and Ti-Zr-V alloys has been studied in situ by means of X-ray photoelectron spectroscopy. …”
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