Manifestation and control of superconductivity in semiconductor surface reconstructions
Project/Area Number |
25247053
|
Research Category |
Grant-in-Aid for Scientific Research (A)
|
Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Condensed matter physics I
|
Research Institution | National Institute for Materials Science |
Principal Investigator |
Uchihashi Takshi 国立研究開発法人物質・材料研究機構, 国際ナノアーキテクトニクス研究拠点, MANA研究者 (90354331)
|
Co-Investigator(Kenkyū-buntansha) |
SAKAMOTO Kazuyuki 千葉大学, 融合科学研究科, 教授 (70261542)
|
Project Period (FY) |
2013-04-01 – 2016-03-31
|
Project Status |
Completed (Fiscal Year 2015)
|
Budget Amount *help |
¥44,460,000 (Direct Cost: ¥34,200,000、Indirect Cost: ¥10,260,000)
Fiscal Year 2015: ¥10,140,000 (Direct Cost: ¥7,800,000、Indirect Cost: ¥2,340,000)
Fiscal Year 2014: ¥10,140,000 (Direct Cost: ¥7,800,000、Indirect Cost: ¥2,340,000)
Fiscal Year 2013: ¥24,180,000 (Direct Cost: ¥18,600,000、Indirect Cost: ¥5,580,000)
|
Keywords | 超伝導 / 表面超構造 / 二次元 / 原子層 / 有機分子 / 電気伝導 / 走査トンネル顕微鏡 / 超高真空 / 超伝導材料・素子 / 表面・界面物性 / 物性実験 / 超伝導材料・素子 / 表面・界面物性 |
Outline of Final Research Achievements |
We have studied the superconductivity of the Si(111)-(root7xroot3)-In surface reconstruction, which consists of indium atomic layers on a silicon surface, through electron transport measurement, scanning tunneling microscopy, and angle-resolved photoelectron spectroscopy. Our results include the observation of superconducting fluctuations inherent in a two-dimensional system, the discovery of Josephson vortices at surface atomic steps, the real-space observation of a disorder-induced superconductor-metal transition, and the control of superconductivity using the charge transfer and spins originating from organic molecules. We have also found anisotropic Dirac-like electronic states of self-assembled radical organic molecules.
|
Report
(4 results)
Research Products
(92 results)
-
-
-
[Journal Article] Self-assembled honeycomb lattice in the monolayer of cyclic thiazyl diradical BDTDA (=4,4′-bis(1,2,3,5-dithiadiazolyl)) on Cu(111) with a zero-bias tunneling spectra anomaly2015
Author(s)
Masayuki Yamamoto, Rie Suizu, Sudipta Dutta, Puneet Mishra, Tomonobu Nakayama, Kazuyuki Sakamoto, Katsunori Wakabayashi, Takashi Uchihashi & Kunio Awaga
-
Journal Title
Scientific Reports
Volume: 5
Issue: 1
Pages: 18359-18359
DOI
NAID
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[Journal Article] Recent progress in scanning electron microscopy for the characterization of fine structural details of nano materials2014
Author(s)
M. Suga, S. Asahina, Y. Sakuda, H. Kazumori, H. Nishiyama, T. Nokuo, V. Alfredsson, T. Kjellman, S.M. Stevens, H.S. Cho, M. Cho, L. Han, S. Che, M.W. Anderson, F. Schuth, H. Deng, O.M. Yaghi, Z. Liu, H.Y. Jeong, A. Strein, K. Sakamoto, R. Ryoo, and O. Terasaki
-
Journal Title
Progress in Solid State Chemistry
Volume: 42
Issue: 1-2
Pages: 1-21
DOI
Related Report
Peer Reviewed
-
-
-
[Journal Article] Valley filter by extraordinary Rashba spin on silicon2013
Author(s)
K. Sakamoto, T.-H. Kim, T. Kuzumaki, B. Müller, Y. Yamamoto, M. Ohtaka, J. Osiecki, K. Miyamoto, Y. Takeichi, A. Harasawa, S. D. Stolwijk, A. B. Schmidt, J. Fujii, R. I. G. Uhrberg, M. Donath, H. W. Yeom and T. Oda
-
Journal Title
Nat. Commun
Volume: 4
Issue: 1
Pages: 2073-2073
DOI
Related Report
Peer Reviewed
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[Presentation] Structural and electronic characterization of supramolecular motors on a Au(111) substrate2015
Author(s)
S. Vijayaraghavan, P. Mishra, S. Yoshizawa, J. P. Hill, W. Van Rossom, M. Grisolia, J. Echeverria, T. Ono, K. Ariga, T. Nakayama, C. Joachim, and T. Uchihashi
Organizer
日本物理学会 第70回年次大会
Place of Presentation
早稲田大学早稲田キャンパス(東京都)
Year and Date
2015-03-21 – 2015-03-24
Related Report
-
-
-
[Presentation] A Current-driven Supramolecular Motor with In-situ surface Chiral Directionality Switching2015
Author(s)
S. Vijayaraghavan, P. Mishra, S. Yoshizawa, J. P. Hill, W. Van Rossom, M. Grisolia, J. Echeverria, T. Ono, K. Ariga, T. Nakayama, C. Joachim, and T. Uchihashi
Organizer
MANA International Symposium 2015
Place of Presentation
Tsukuba, Japan
Year and Date
2015-03-11 – 2015-03-13
Related Report
-
-
-
-
-
-
-
-
-
-
[Presentation] 半導体表面超構造における超伝導2014
Author(s)
内橋隆
Organizer
日本物理学会2014年秋季大会
Place of Presentation
中部大学春日井キャンパス(春日井市)
Year and Date
2014-09-07 – 2014-09-10
Related Report
Invited
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[Presentation] Tunneling current driven rotation of Pt-porphyrin dimers on Au(111) surface2014
Author(s)
P. Mishra, T. Nakayama, T. Uchihashi, T. Ono, Y. Nakajima, F. Ozawa, J. Hill, W. V. Rossom, K. Ariga, C. Joachim
Organizer
MANA International Symposium 2014
Place of Presentation
Tsukuba, Japan
Related Report
-
-
-
-
-
-
-
-
[Presentation] Stepwise rotation of Pt-porphyrin derivative molecules on a Au(111) surface2013
Author(s)
P. Mishra, T. Nakayama, T. Uchihashi, T. Ono, Y. Nakajima, F. Ozawa, J. Hill, W. V. Rossom, K. Ariga, C. Joachim
Organizer
ACSIN-12
Place of Presentation
Tsukuba, Japan
Related Report
-
-
-
-
-
-
-
[Presentation] A peculiar non-vortical Rashba spin structure originating from the symmetry of the surface2013
Author(s)
Kazuyuki Sakamoto, Takuya Kuzumaki, Beate, Muller, Yuta Yamamoto, Minoru Ohtaka, Takashi Aoki, Hirotaka Ishikawa, Emilia Annese, Jacek Osiecki, Koji Miyamoto, Yasuo Takeichi, Ayumi Harasawa, Roger, Uhrberg, Tatsuki Oda
Organizer
19th International Vacuum Congress
Place of Presentation
Paris, France
Related Report
-
-
-
-
-