NICT 超伝導プロジェクト

◆　2004年度　研究論文

研究成果<<

川上　彰 , 鵜澤　佳徳 , 王　鎮 , 「窒化ニオブによるサブミリ波受信器の開発」電子情報通信学会和文論文誌Ｃ, Vol.J87-C,No.7,pp.549-556,2004

　
H. Abe, M. Naito, W. -J. Moon, K. Kaneko, A. Saito, Z. Wang, “Interface structures of AlN/MgB₂ thin films sputtered on sapphire c-and r-plane”, J. Appl. Phy. ,Vol.96, No.4, pp.2343- 2346, 2004

　
H.Shimakage, A.Saito, A.Kawakami, Z.Wang, “Fabrication condition dependence of as-grown MgB₂ thin films by co-evaporation method”, Physica C, Vol.408-410, pp.891-893, 2004

　
P. Vasek, H. Shimakage, Z. Wang, “Transverse voltage in zero external magnetic fields, its scaling and violation of the time-reversal symmetry in MgB₂”, Physica C, Vol.411, pp.164-169, 2004

　
A. Saito, H. Shimakage, A. Kawakami, Z. Wang, S. Kuroda, H. Abe, M. Naito, W. J. Moon, K. Kaneko, M .Mukaida, S. Ohshima, “XRD and TEM studies of as-grown MgB₂ thin films deposited on r-and c-plane sapphire substrates”, Physica C, Vol.412-414, pp.1366-1370 , 2004

　
S. Miki, K. Takahashi, D. Fujiwara, H. Shimakage, K. Sato, T. Yotsuya, K. Moriwaki, H. Fukuda, A. Saito, Z. Wang, T. Ishida, “Superconducting dc characteristics of meander lines made by 10B enriched MgB₂ thin films”, Physica C, Vol.412-414, pp.1387-1390, 2004

　
A. Kawakami, Y. Uzawa, Z. Wang, “Frequency dependence of penetration depth for epitaxial NbN thin films at 0.1-1.1 THz”, Physica C, Vol.412-414, pp.1455-1458, 2004

　
H. Ishida, A. Kawakami, Z. Wang, K. Hamasaki, “Relationship between 1/f noise parameter and Andreev reflection probability of epitaxial NbN/AlN or MgO/NbN tunnel junctions, Physica C, Vol.412-414, pp.1459-1462, 2004

　
K. Okanoue, H. Ishida, K. Hamasaki, A. Kawakami, Z. Wang, “Photon-assisted multiple-Abdreev reflections in high-Jc NbN/AlN/NbN tunnel junctions”, Physica C, Vol.412-414, pp.1463-1467, 2004

　
K. Takahasi, S. Miki, K. Satoh, K. Moriwaki, K. Fukuda, T. Yotsuya, H. Shimakage, Z. Wang, S. Okayasu, M. Katagiri, Y. Morii, K. Hojou, N. Niimura, T. shida, “Neutron detector by using a metallic high-Tc Superconductor MgB₂”, Physica C, Vol.412-414, pp.1597-1601, 2004

　
A. Saito, H. Shimakage, A. Kawakami, Z. Wang, M. Mukaida, S. Ohsima, “Preparation and properties of MgB₂/AlN/MgB₂ multi-layers for Josephson tunnel junctions”, Transactions of the Materials Research Society of Japan, Vol.29, pp.1327-1330, 2004

　
H. Shimakage, K. Tsujimoto, Z. Wang, M. Tonouti, “Characteristics of MgB₂/AlN/NbN Josephson junctions with optimized conditions”, Supercond. Sci. Technol.,Vol.17, pp.1376-1380, 2004

　
石田武和 , 王　鎮 , 四谷　任 , 町田昌彦 , 「金属系高温超伝導物質MgB2のエレクトロニクス応用－トンネル接合と熱緩和型パルス応答素子への展開に向けて－」, 個体物理, Vol.40 , No.1, pp51-67, 2005

　
H. Shimakage, K. Tsujimoto, Z. Wang, “All-MgB₂ tunnel junctions with aluminum nitride barriers”, Appl.Phys.Lett.,Vol.86, 072512, 2005

　
Y. Uzawa, M. Takeda, A. Kawakami, Z. Wang, S. Noguchi, "Design consideration for a two-distributed-junction tuning circuit", International of Infrared and Millimeter Waves, Vol.26, pp.41-54, 2005

　
.Y. Kameda, S. Yorozu, Y. Hashimoto, H. Terai, A. Fujimaki, N. Yoshikawa, "High-speed demonstration of single-flux-quantum cross-bar switch up to 50 GHz", IEEE Trans. Appl. Supercond., Vol.15, pp.6-10,2005