Department of Electrical Engineering and Information Systems, The University of Tokyo
TOPOLOGICAL QUANTUM ELECTRONICS LABORATORY
Research Facilities
We are merited by many shared facilities from the Tanaka-Ohya group, Cryogenic Research Center and Nanotechnology Platform of The University of Tokyo
III - V Group Molecular Beam Epitaxy System (EQ2100)
Base pressure: 1×10^-10Torr
Installed sources:
Ga,Al,In（Group III）
Si, Be (Dopants)
Mn, Fe (Transition element, for magnetic material）
As（Group V) EPI Valved cracker cell 500 cc
Sb (group V) MBE Komponenten valved cracker cell 420 cc
In-situ observation: Reflection High Energy Electron Diffraction (RHEED)
※ Using under collaboration with Tanaka lab
Dirac-Materials Molecular Beam Epitaxy System (MBE508)
Base pressure: 1×10^-10Torr
Installed sources:
Ga,Al,In（Group III）
Sn, Bi, Fe
As（Group V) EPI Valved cracker cell 500 cc
Sb (group V) K-cell
In-situ observation: Reflection High Energy Electron Diffraction (RHEED)
※ Using under collaboration with Tanaka lab
Metal Molecular Beam Epitaxy System (System M)
Base pressure: 1×10^-9Torr
Substrate can be cooled using Liquid Nitrogen
◆ MBE chamber (4 ports): Fe,Al,Sn
◆ E-beam deposition chamber (3 pockets): SiO2, Nb, EuS
Available for Shadow-mask growth
Magnetic Circular Dichroism (MCD) System – JASCO J700
Magnetotransport Measurement System (3 systems)
◆ Photo-detector：GaAs, S1 Photomultiplier (wavelength range 0.2-1.1μm)
◆ Magnetic field range：~1.2T
◆ Temperature range：4.5K ~ RT
◆ Magnetic field range：~1T
◆ Temperature range：3.5K ~ RT
◆ Motor-driven Magnet Rotation System
Oxford Inst. Superconducting Magnet System
Cryogen-free.
Magnetic field range：0~12T
Temperature range：295 mK ~ RT
Magnetic Properties
Measurement System 3
(common facility of Cryogenic Research Center)
Magnetic field range：0~7T
Temperature range：1.5 K ~ RT
Electron Spin Resonance
(ESR) System
(common facility of Nanotechnology Platform)
Nano-device Fabrication Lab
(common facility of Dept. of EEIS)
Takeda Super-cleanroom
(common facility of Nanotechnology Platform,
the University of Tokyo)
