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Your search keyword '"L.W. Roeland"' showing total 3 results
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3 results on '"L.W. Roeland"'

1. de Haas-van Alphen Effect in the High-TcA15SuperconductorsNb3Sn andV3Si

Author

D.H. Lowndes, A.T. Van Kessel, L.W. Roeland, G. W. Webb, F.A. Muller, H.W. Myron, J. C. Wolfrat, F.M. Mueller, and A. J. Arko

Subjects
Superconductivity, Physics, Condensed matter physics, Condensed Matter::Superconductivity, General Physics and Astronomy, Frequency data, Fermi surface, Electronic structure, Electronic band structure, De Haas–van Alphen effect, Type-II superconductor, Magnetic field
Abstract

de Haas-van Alphen (dHvA) oscillations have been observed in ${\mathrm{Nb}}_{3}$Sn in the (110) plane and in ${\mathrm{V}}_{3}$Si at two orientations using single crystals of high resistance ratio and magnetic fields in excess of ${H}_{c2}$. The dHvA frequency data for ${\mathrm{Nb}}_{3}$Sn can be interpreted as a series of nested ellipsoids centered at $M$, as suggested by a recent high-precision calculation of the ${\mathrm{Nb}}_{3}$Sn Fermi surface.

Published
1978
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2. A magnet for semi-continuous fields up to 60 T

Author

L.W. Roeland, R. Gersdorf, and W.C.M. Mattens

Subjects
Physics, Electromagnet, business.industry, Electrical engineering, Thyristor, Electronic, Optical and Magnetic Materials, law.invention, Nuclear magnetic resonance, Electromagnetic coil, law, Magnet, Electrical and Electronic Engineering, business, Transformer
Abstract

The University of Amsterdam has a semicontinuous magnet in operation, which can generate fields up to 40 T and keep these fields constant (within 1:10/sup 4/) during 0.1 s for 40 T, and longer for lower fields. The authors discuss a project for the establishment of a 60-T 100-ms facility primarily based on the concept of the present 40 T 100-ms magnet with its controlled power supply, which makes, within certain limits, any desired field profile possible. A Cu-Be mantle with a core of pure Cu is the most-suitable candidate for the wire material of the 60 T coil. The power supply, rectifier, transformers, and thyristors needed are described. The prospects for the fulfilment of the design are briefly mentioned. >

Published
1988
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3. LIST OF CONTRIBUTERS

Author

S. Abe, K. Adachi, K. Aoki, K. Bessho, D. Bloch, S. Chikazumi, M. Date, F.R. de Boer, P.F. de Châtel, P. de Groot, L.J. de Jongh, G. De Vos, V.V. Eremenko, P. Feldmann, S. Foner, J.J.M. Franse, P.H. Frings, S. Fujiwara, K. Fukamichi, Y. Fukushima, H. Fukutani, R.J. Gambino, R. Gersdorf, M. Guillot, K.G. Gurtovoj, K. Hanzawa, I. Harada, T. Harada, Z. Henkie, F. Herlach, K. Higashi, H. Hirabayashi, H. Hiroyoshi, M. Honda, H. Hori, A. Hoshi, H. Ido, M. Ikebe, A. Isihara, Y. Isikawa, Y. Iwasa, V. Jaccarino, P. Janssen, Y. Kakudate, T. Kaneko, T. Kasuya, K. Katagiri, K. Katsumata, G. Kiko, A.R. King, M. Kobayashi, T. Komatsubara, A. Kotani, N. Kunitomi, N. Kuroda, K. Kurosawa, M. Kusakabe, A.S. Lagutin, Z.-H. Lee, M.J. Leupold, Zhi-Yi Liu, A. Marchand, P.J. Markowski, H. Maruyama, T. Mashimo, M. Matsui, W.C.M. Mattens, T.R. McGuire, A. Menovsky, A. Misu, N. Miura, S. Miura, H. Miyajima, T. Miyazaki, H. Mollymoto, K. Motizuki, M. Motokawa, F.A. Muller, Y. Muto, K. Nagayama, Y. Nakagawa, K. Nakamura, K. Nakao, N. Niitsuma, Y. Nishina, S. Noguchi, K. Noto, K. Okuda, F. Ono, R. Orbach, V.I. Ozhogin, Shiao-Thur Pan, R. Pauthenet, J.C. Picoche, L.W. Roeland, P. Rub, L.G. Rubin, S. Saito, T. Sakakibara, K. Sato, T. Satoh, H.J. Schneider-Muntau, Bao-Gen Shen, T. Shintomi, Y. Shiwa, H. Suematsu, K. Sugiyama, N. Suzuki, T. Suzuki, Y. Takada, S. Takagi, K. Takegahara, K. Tanaka, T. Tsuda, S. Tsuge, J. Tuchendler, J.C. Vallier, J. Voiron, M. Wake, Yi-Zhong Wang, K. Watanabe, R.J. Weggel, J.E.C. Williams, J. Witters, E.P. Wohlfarth, J.C. Wolfrat, Yong-Sheng Wu, O. Yamada, S. Yamada, A. Yamagishi, H. Yamauchi, A. Yanase, Fu-Min Yang, H. Yashima, H. Yasuoka, M. Yoshida, T. Yosida, and Xi-Chao Zhao

Published
1983
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