The Investigation of Quantum Materials using Multi-Nanoprobes

  • 2.2 Quantum sensing(Quantum metrology/Sensing/Imaging, Optical lattice clocks)
  • 2.3 Quantum materials(Topological materials/Thermoelectric devices/Functional materials)
Shuji Hasegawa
Graduate School of Science
Charge and spin transport phenomena in quantum materials such as topological and two-dimensional atomic-layer materials are investigated using our original method based on “multi-nanoprobes”. In particular, we aim to detect and manipulate Majorana particles in topological superconductors.
An electron microscopy image of a multi-nanoprobe that facilitates transport measurements at the nanometer scale.
Hasegawa Lab at Dpt. Physics, University of Tokyo
A scanning tunneling microscopy image of vortices in a crystal atomic layer of a topological superconductor.
Hasegawa Lab at Dpt. Physics, University of Tokyo

Related links

Research collaborators

Inst. Solid State Physics at University of Tokyo
Russian Academy of Science
Chongqing University (China)

Related publications

S. Yoshimoto, Y. Murata, K. Kubo, K. Tomita, K. Motoyoshi, T. Kimura, H. Okino, R. Hobara, I. Matsuda, S. Honda, M. Katayama, and S. Hasegawa: “Four-Point Probe Resistance Measurements Using PtIr-Coated Carbon Nanotube Tips”, Nano Letters Vol. 7, p. 956 (May, 2007).
A.V. Matetskiy, S. Ichinokura, L.V. Bondarenko, A.Y. Tupchaya, D.V. Gruznev, A.V. Zotov, A.A. Saranin, R. Hobara, A. Takayama, and S. Hasegawa: “Two-dimensional superconductor with giant Rashba effect: One-atomic-layer Tl-Pb compound on Si(111)”, Physical Review Letters Vol. 115, 147003 (Oct, 2015).

Related patents

Japan Patent 特願2018-537135: International Patent PCT/JP2017/029750 “Probe and production method therefor”


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