Hiroyuki Tamura
NTT Basic Research Laboratories,
Quantum Solid State Physics Research Group,
Research Scientist, Ph.D
31 Morinosato Wakamiya,
Atsugishi, Kanagawa,
2430198 JAPAN
TEL:+81462402538
FAX:+81462404727
Presentations and Patents
Conference Presentations

“Spinsplit and spinunpolarized incompressible strips revealed by optical local spin injection”, S. Nomura, S. Mamyouda, H. Ito, Y. Shibata, Y. Ootuka, S. Kashiwaya, M. Yamaguchi, H. Tamura, and T. Akazaki, International Symposium on Advanced Nanodevices and Nanotechnology, Waikoloa, Hawaii (Nov. 29Dec. 4, 2015), Oral Session on December 3, 2015.

“Fourier Transform Scanning Tunneling Spectroscopy of InAs(111)A Surface”, K. Kanisawa and H. Tamura, International Symposium on Nanoscale Transport and Technology (ISNTT2015), NTT Atsugi R&D center, Kanagawa, Japan, November 1720 (2015), Poster presentation (PWe23).

“QuasiexcitonQuasielectron Trion Emission in the Fractional Quantum Hall Effect Regime”, S. Nomura, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Hirayama, M. Korkusinski, and P. Hawrylak, International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS), February 18th Wed  20th Fri 2015, MiyagiZao Royal Hotel, Miyagi, Japan

Cationic Twodimensional Surface States at Epitaxial InAs(111)A Surface Characterized Using Lowtemperature Scanning Tunneling Microscopy, K. Kanisawa and H. Tamura, 41st Conference on the Physics and Chemistry of Surfaces and Interfaces (PCSI41), Santa Fe, New Mexico, USA, January 1216 (2014), We1145.

Mapping of spinresolved quantum Hall chiral edge channels, S. Nomura, S. Mamyouda, H. Ito, Y. Shibata, Y. Ootuka, S. Kashiwaya, M. Yamaguchi, H. Tamura and T. Akazaki, International Symposium on Nanoscale Transport and Technology (ISNTT2013), NTT Atsugi R&D center, Kanagawa, Japan, November 2629 (2013), PTu10.

Electronic structure of twodimensional cation lattice at the InAs(111)A surface, K. Kanisawa and H. Tamura, International Symposium on Nanoscale Transport and Technology (ISNTT2013), NTT Atsugi R&D center, Kanagawa, Japan, November 2629 (2013), PWe28.

Admittance study of lateral transport in DNTTbased MIS capacitors, T. Hayashi, N. Take, H. Tamura, K. Muraki, T. Sekitani, and T. Someya, The 9th International ThinFilm Transistor Conference, The University of Tokyo, March 12, 2013, 1pLP16.

Imaging of spinresolved quantum Hall edge states by nearfield scanning optical microscopy, H. Ito, S. Mamyouda, Y. Shibata, Y. Ootuka, S. Nomura, S. Kashiwaya, M. Yamaguchi, H. Tamura and T. Akazaki, 20th International Conference on Electronic Properties of TwoDimensional Systems (EP2DS20), Wroclaw University of Technology,Poland, 15 July, 2013, TuOE8.

Phase evolution in the spinincoherent Luttinger liquid, H. Tamura, T. Kobayashi, T. Akazaki, 20th International Conference on Electronic Properties of TwoDimensional Systems (EP2DS20), Wroclaw University of Technology,Poland, 15 July, 2013,TuP104.

“Fine structures in photoluminescence in the fractional quantum Hall regime in low magnetic field”, Shintaro Nomura, Masumi Yamaguchi, Hiroyuki Tamura, Tatsushi Akazaki, Yoshiro Hirayama, Marek Korkusinski, and Pawel Hawrylak, 31st International Conference on the Physics of Semiconductors (ICPS 2012), Zurich, Switzerland, July 29Aug 3, 2012, Poster35.8.

“Imaging of quantum Hall edge states under quasiresonant excitation by a nearfield scanning optical microscope”, Hironori Ito, Yusuke Shibata, Syuhei Mamyoda, Satoshi Kashiwaya, Masumi Yamaguchi, Tatsushi Akazaki, Hiroyuki Tamura, Youiti Ootuka, and Shintaro Nomura, 31st International Conference on the Physics of Semiconductors (ICPS 2012), Zurich, Switzerland, July 29Aug 3, 2012, Poster35.10.

“Spin polarized current in Mndoped InAs pn diodes”, Hiroyuki Tamura, Tatsushi Akazaki, and Hiro Munekata, 31st International Conference on the Physics of Semiconductors (ICPS 2012), Zurich, Switzerland, July 29Aug 3, 2012, Poster36.6.

“Narrowing of photoluminescence linewidth in the nonlinear screening regime”, Masumi Yamaguchi, Shintaro Nomura, Hiroyuki Tamura, and Tatsushi Akazaki, 31st International Conference on the Physics of Semiconductors (ICPS 2012), Zurich, Switzerland, July 29Aug 3, 2012, Poster38.61.

S. Nomura, H. Ito, K. Furuya, Y. Shibata, S. Kashiwaya, M. Yamaguchi, H. Tamura, T. Akazaki, and Y. Ootuka, “Imaging of Quantum Hall Edge States by Nearfield Optical Microscopy”, International Workshop on Quantum Nanostructure& Nanoelectronics, 2011/10/34, Komaba, Japan, Mo5.

H. Ito, K. Furuya, Y. Shibata, S. Kashiwaya, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Ootuka, S. Nomura, “Imaging of edge states in a quantum Hall liquid by quasiresonant nearfield optical excitation”, Electronic Properties of TwoDimensional Systems (EP2DS19), July 2529, 2011, Florida, USA, MoP66.

S. Nomura, H. Ito, K. Furuya, Y. Shibata, S. Kashiwaya, M. Yamaguchi, H. Tamura, T. Akazaki, and Y. Ootuka, “Imaging of Quantum Hall Edge States by Nearfield Optical Microscopy”,International Workshop on Quantum Nanostructure & Nanoelectronics, 2011/10/34, Komaba, Tokyo.

H. Ito, K. Furuya, Y. Shibata, S. Kashiwaya, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Ootuka, S. Nomura, “Imaging of edge states in a quantum Hall liquid by quasiresonant nearfield optical excitation”, Electronic Properties of TwoDimensional Systems (EP2DS19), July 2529, 2011, Florida, USA, MoP66.

S. Nomura, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Hirayama and P. Hawrylak, “Composite Fermion picture for photoluminescence in the fractional quantum Hall effect regime”, International Symposium on Nanoscale Transport and Technology(ISNTT2011), January 1114 (2011), Atsugi, Japan, Fr10.

K. Miyagi, M. Yamaguchi, H. Tamura, T. Akazaki, S. Nomura, “Gate voltage dependence of lifetime of photoluminescence from an asymmetric GaAsAlGaAs double quantum wells”, International Symposium on Nanoscale Transport and Technology(ISNTT2011), January 1114 (2011), Atsugi, Japan, PTu34.

H. Ito, K. Furuya, Y. Shibata, Y. Ootuka, S. Kashiwaya, M. Yamaguchi, H. Tamura, T. Akazaki, S. Nomura, “Investigation of the Spatial Profile of the QuantumHall Edge State by the Photovoltage Mapping Using Nearfield Optical Microscopy”, International Symposium on Nanoscale Transport and Technology(ISNTT2011), January 1114 (2011), Atsugi, Japan, PWe17.

M. Yamaguchi, S. Nomura, H. Tamura, T. Akazaki, “Motional Narrowing of Photoluminescence Linewidth of 2DEGhole Emission”, International Symposium on Nanoscale Transport and Technology(ISNTT2011), January 1114 (2011), Atsugi, Japan, PWe18.

T. Kobayashi, S. Tsuruta, S. Sasaki, H. Tamura, T. Akazaki, “Transmissionphase Anomaly and a Possible Zerofield Spin Splitting in a Quantum Point Contact”, International Symposium on Nanoscale Transport and Technology(ISNTT2011), January 1114 (2011), Atsugi, Japan, PWe30.

S. Amaha, T. Hatano, W. Izumida, K. Ono, K. Kono, H. Tamura, S. Teraoka, T. Kubo, Y. Tokura, J. A. Gupta, D. G. Austing and S. Tarucha, “Laterally and Vertically Coupled Triple Vertical Quantum Dots”, 2011 Frontiers in Nanoscale Science and Technology Workshop, January 57 (2011), RIKEN Wako Campus, Wako, Saitama, Japan, P10.

S. Amaha, T. Hatano, W. Izumida, K. Ono, H. Tamura, S. Teraoka, T. Kubo, Y. Tokura, J. A. Gupta, D. G. Austing, S. Tarucha, Laterally and vertically coupled triple vertical quantum dots, 30th International Conference on the Physics of Semiconductors (ICPS2010), July 2530 (2010), Seoul, Korea, MoB17

Shintaro Nomura, Masumi Yamaguchi, Hiroyuki Tamura, Tatsushi Akazaki, Yoshiro Hirayama, Dynamical correlation of fractionally charged excitons with a twodimensional electron system, 30th International Conference on the Physics of Semiconductors (ICPS2010), July 2530 (2010), Seoul, Korea, P1196

Masumi Yamaguchi, Haruki Sanada, Shintaro Nomura, Tetsuomi Sogawa, Hiroyuki Tamura, Tatsushi Akazaki, Spin lifetime of localized electrons in a gated undoped GaAs quantum well at low electron density, 30th International Conference on the Physics of Semiconductors (ICPS2010), July 2530 (2010), Seoul, Korea, P1259

H. Ito, K. Furuya, Y. Shibata, Y. Ootuka, S. Nomura, S. Kashiwaya, M. Yamaguchi, H. Tamura, T. Akazaki, Realspace mapping of compressible and incompressible strips by a nearfield scanning optical microscope, 30th International Conference on the Physics of Semiconductors (ICPS2010), July 2530 (2010), Seoul, Korea, P2188M.

Yamaguchi, S. Nomura, H. Tamura, and T. Akazaki, " Photoluminescence spectroscopy of lowdensity twodimensional electron system in electric fields", 14th International Conference on Narrow Gap Semiconductors and Systems, 13th  17th July 2009, Sendai, Japan, PTu32.

M. Yamaguchi, S. Nomura , M. Delbecq H. Tamura and T. Akazaki, "Establishment of equilibrium of electrostatic potential by photoirradiation in a GaAs quantum well at low temperature", International Conference on Optics of Excitons in Confined Systems, Madrid, September 7th to 11th 2009. PTh39

S. Sasaki, H. Tamura, S. Miyashita, T. Maruyama, T. Akazaki, T. Fujisawa, “FanoKondo interplay in a sidecoupled double quantum dot”, EP2DS18, Kobe, July 19  24, 2009, E9e

S. Amaha, T. Hatano, H. Tamura, S. Teraoka, T. Kubo, Y. Tokura, D. G. Austing, S. Tarucha, “Electronic states in laterally coupled vertical triple quantum dots”, EP2DS18, Kobe, July 19  24, 2009, TheP40

H. Tamura, S. Sasaki, “FanoKondo effect in sidecoupled double quantum dot”, EP2DS18, Kobe, July 19  24, 2009, TueP43

S. Nomura, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Hirayama, “Circular polarization reversal of split photoluminescence peaks at ν of slightly less than 1”, EP2DS18, Kobe, July 19  24, 2009, MoeP66

M. Yamaguchi, S. Nomura, H. Tamura, T. Akazaki, “Photoluminescence spectra of gated undoped quantum well with lateral potential modulation in low electron density, EP2DS18, Kobe, July 19  24, 2009, MoeP24

S. Amaha, T. Hatano, D.G. Austing, H. Tamura, S. Teraoka, T. Kubo, Y. Tokura, and S.Tarucha, “Electronic Charge and Spin States in Laterally Coupled Triple Quantum Dots”, International Symposium on Nanoscale Transport and Technology”, Jan. 2023, 2009, Atsugi, Kanagawa, PWe26

M. Yamaguchi, S. Nomura, H. Tamura, and T. Akazaki, Photoluminescence Spectra of Gated Undoped GaAs Quantum Wells at Low Electron Density with a SquareMesh Surface Gate”, International Symposium on Nanoscale Transport and Technology”, Jan. 2023, 2009, Atsugi, Kanagawa, PWe07

S. Nomura, M. Yamaguchi, H. Tamura, T. Akazaki, T. Maruyama, S. Miyashita,and Y. Hirayama, “Electron Density Dependence of Photoluminescence Peak Splitting in a Gated Undoped Quantum Well”, International Symposium on Nanoscale Transport and Technology”, Jan. 2023, 2009, Atsugi, Kanagawa, Th08

T. Kobayashi, S. Tsuruta, S. Sasaki, H. Tamura, and T. Akazaki, “Nonequilibrium transmissionphase measurement of parallel quantum point contacts using magnetic focusing”, International Symposium on Nanoscale Transport and Technology, Jan. 2023, 2009, Atsugi, Kanagawa, PWe14

S. Sasaki, H. Tamura, S. Miyashita, T. Maruyama, T. Akazaki, and T. Fujisawa, “KondoFano Effect in a SideCoupled Double Quantum Dot”, International Symposium on Nanoscale Transport and Technology, Jan. 2023, 2009, Atsugi, Kanagawa, PTu11.

H. Tamura, “Simulation of electron phase evolution in parallel quantum point contacts”, 1st International Conference of the Grand Challenge to NextGeneration Integrated Nanoscience, Tokyo, Japan, June 37, 2008, 2CMP14.

"Crossover from resonance to antiresonance Kondo effect in a quantum dot device", Hiroyuki Tamura, International Conference on Electronic Properties of Twodimensional Systems (EP2DS17), TUPE110, Genova, Italy, July 1520 2007.

"Interplay between electrostatic and tunnel couplings in an independently contacted double quantum dotquantum wire coupled device", S. Sasaki, H. Tamura, S. Miyashita, T. Maruyama, T. Akazaki, Y. Hirayama and H. Takayanagi, International Conference on Electronic Properties of Twodimensional Systems (EP2DS17), TUPE109, Genova, Italy, July 1520 2007.

"Photoluminescence evolution across the metalinsulator transition in an undoped GaAs quantum well", M. Yamaguchi, S. Nomura, T. Maruyama, S. Miyashita, Y. Hirayama, H. Tamura, and T. Akazaki, International Conference on Electronic Properties of Twodimensional Systems (EP2DS17), TUPE107, Genova, Italy, July 1520 2007.
 "Optical mapping of properties of twodimensional electron system in magnetic fields", N. Hayashi、K. Tsumura、S. Nomura, M. Yamaguchi、H. Tamura、T. Akazaki, and Y. Hirayama, International Conference on Electronic Properties of Twodimensional Systems (EP2DS17), MOPE114, Genova, Italy, July 1520 2007.

"Density dependent electron effective mass probed by photoluminescence down to dilute electron density limit", S. Nomura S, M. Yamaguchi, T. Akazaki, H. Tamura, T. Maruyama, S. Miyashita, Y. Hirayama, International Conference on Electronic Properties of Twodimensional Systems (EP2DS17), MOPE113, Genova, Italy, July 1520 2007.

"Simultaneous measurement of photoluminescence and capacitance spectra in a GaAs quantum well ", Hiroyuki Tamura (Invited), Optical Properties of LowDimensional Systems (OPLDS2007), May 30  June 2, 2007, National Research Council of Canada.

“Transport Properties of an Independently Contacted Double Quantum DotQuantum Wire Coupled Device”, S. Sasaki, H. Tamura, S. Miyashita, T. Maruyama, T. Akazaki, Y. Hirayama, H. Takayanagi, International Conference on Nanoelectronics, Nanostructures and Carrier Interactions, PWe06, 2023 February, 2007, Atsugi, Japan.

“Ballistic Current Injection into a Semiconductor Quantum Dot”, T. Kobayashi, S. Tsuruta, S. Kang, S. Sasaki, H. Tamura, T. Fujisawa , Y. Tokura , T. Akazaki, International Conference on Nanoelectronics, Nanostructures and Carrier Interactions, PWe05, 2023 February, 2007, Atsugi, Japan.

“Controlling electric field and electron density in a doublegated GaAs/AlGaAs quantum well”, M. Yamaguchi, S. Nomura, K. Miyakoshi, H. Tamura, T. Akazaki, H. Takayanagi, 12th Advanced Heterostructure Workshop, December 38, 2006, Hawaii, USA

"Enhancement of electron effective mass and reduced mass in dilute electron regime", S. Nomura, M. Yamaguchi, T. Akazaki, K. Miyakoshi, H. Tamura, H. Takayanagi, Y. Hirayama, International Conference on the Physics of Semiconductors, TuA3i.6, 2428 July, 2006, Vienna, Austria.

"Nonlocal spin control in a double quantum dotquantum wire coupled system", S. Sasaki, S. Kang, S. Miyashita, T. Maruyama, H. Tamura, T. Akazaki, Y. Hirayama, and H. Takayanagi, International Conference on the Physics of Semiconductors, WeA1b.4, 2428 July, 2006, Vienna, Austria.

"Hofstadter's butterfly energy diagram and the Hall conductance in Kagome lattice potential", H. Tamura, K. Miyakoshi, S. Murakami, H. Takayanagi, International Conference on the Physics of Semiconductors, TuA3n.20, 2428 July, 2006, Vienna, Austria.

"Spin correlation in a doublequantumdot device", H. Tamura, S. Sasaki, S. Kang, S. Miyashita, T. Maruyama, T. Akazaki, Y. Hirayama and H. Takayanagi, The 4th International Symposium on Nanotechnology (JAPAN NANO 2006), Tokyo, Feb. 2021, 200

"Photoluminescence measurements on a GaAs quantum well in a modulated potential with a square lattice structure", M. Yamaguchi, S. Nomura, K. Miyakoshi, H.Tamura, T. Akazaki, T. Maruyama, S. Miyashita, Y. Hirayama, and H. Takayanagi, International Symposium on Mesoscopic Superconductivity and Spintronics 2006, NTT R&D Center, Atsugi, Kanagawa, Japan (Feb. 27, 2006).

"Density dependent electron effective mass in a backgated quantum well", S. Nomura, M. Yamaguchi, T. Akazaki, K. Miyakoshi,H.Tamura, H. Takayanagi, and Y. Hirayama, International Symposium on Mesoscopic Superconductivity and Spintronics 2006, NTT R&D Center, Atsugi, Kanagawa, Japan. (Feb. 27, 2006)

"Spin correlateion in a double quantum dotquantum wire coupled system", S. Sasaki, S. Kang, K. Kitagawa, M. Yamaguchi, S. Miyashita, T. Maruyama, H. Tamura, T. Akazaki, Y. Hirayama, and H. Takayanagi, International Conference on New Phenomena in Mesoscopic Structures (27 Nov  2 Dec, 2005, Hawaii, USA).

"Magnetooptical properties of electronhole states in GaAs quantum wires", H. Tamura, M. Yamaguchi, S. Nomura, T. Akazaki, H. Takayanagi, P. Mohan, J. Motoshisa, and T. Fukui, International Conference on New Phenomena in Mesoscopic Structures (27 Nov  2 Dec, 2005, Hawaii, USA).

"RKKY interaction and Kondo effect in double quantumdot devices", H. Tamura (invited), International Workshop on Spins and Quantum Transport (12 October  14 October 2005, Sendai).

Control of electronhole wave functions in a wide quantum well by electric fields, H. Tamura, M. Yamaguchi, S. Nomura, T. Akazaki, H. Takayanagi, 1st NAREGI International Nanoscience Conference, June 14  17, 2005, Nara, Japan

Charged excitons in a backgated undoped quantum well in the integer and the fractional quantumHall regimes, M. Yamaguchi, S. Nomura, T. Akazaki, H. Tamura, H. Takayanagi, Y. Hirayama, IQEC/Pacific Rim 2005 (11  15 July. 2005, Tokyo).

S. Nomura, M. Yamaguchi, T. Akazaki, H. Tamura, H. Takayanagi, Y. Hirayama, Electronhole states in the fractional quantum Hall regime probed by photoluminescence, The 15th International Conference on the Electronic Properties of TwoDimensional Systems (11 July  15 July 2005, Albuquerque)

Electricfield control of electronhole wave functions in a wide quantum well, M. Yamaguchi, S. Nomura, K. Miyakoshi, T. Akazaki, H. Tamura, H. Takayanagi, The 15th International Conference on the Electronic Properties of TwoDimensional Systems (11 July  15 July 2005, Albuquerque)

M. Yamaguchi, S. Nomura, T. Akazaki, H. Tamura, H. Takayanagi, P. Mohan, J. Motohisa, and T. Fukui, Magnetooptics of GaAs quantum wire lattices grown by selectivearea MOVPE, The 15th International Conference on the Electronic Properties of TwoDimensional Systems (11 July  15 July 2005, Albuquerque)

S. Nomura, M. Yamaguchi, T. Akazaki, H. Tamura, H. Takayanagi, Y. Hirayama, Electronhole complexes in a backgated quantum well in the fractional quantum Hall regime｣ (invited), WEHeraeusSeminar "ElectronExciton Interactions in Semiconductor Nanostructures" (29 May  1 June 2005, Bad Honnef)

Photoluminescence spectroscopy of a dulute electron system in a backgated undoped quantum well, S. Nomura, M. Yamaguchi, D. Sato, T. Akazaki, H. Tamura, H. Takayanagi, and Y. Hirayama, International Conference of Nanoelectronics, Nanostructures and Carrier Interactions (NNCI2005), Jan. 31Feb. 2, 2005, Atsugi, Japan.

Hofstadter's butterfly energy band in quantum dot lattices, K. Miyakoshi, H. Tamura, and H. Takayanagi, International Conference of Nanoelectronics, Nanostructures and Carrier Interactions (NNCI2005), Jan. 31Feb. 2, 2005, Atsugi, Japan.

Hofstadter's fractal band diagram in Kagome quantumdotlattice, K. Miyakoshi, H. Tamura, and H. Takayanagi, International Workshop on Novel Quantum Phenomena in Transition Metal Oxides (TMO2004), Nov. 2224, 2004, Sendai, Japan.

Control and Detection of Electron and Hole States in DoubleGated Quantum Wells, M. Yamaguchi, H. Takayanagi, S. Nomura, T. Akazaki and H. Tamura, 11th Advanced Heterostructure Workshop (AHW11), December 510, 2004, Hawaii, USA

Optical investigation of the electrons in gated quantum wells and quantumdot arrays, S. Nomura, M. Yamaguchi, D. Sato, T. Akazaki, H. Tamura, H. Takayanagi, T. Saku, Y. Hirayama, and Y. Aoyagi , 11th Advanced Heterostructure Workshop (AHW11), December 510, 2004, Hawaii, USA

Hofstadter’s fractal band diagram in the Kagome quantumdotlattice, Kenji Miyakoshi, Hiroyuki Tamura, and Hideaki Takayanagi, 11th Advanced Heterostructure Workshop (AHW11), December 510, 2004, Hawaii, USA

Negatively charged excitons in a backgated undoped heterostructure S. Nomura, M. Yamaguchi, D. Sato, T. Akazaki, H. Tamura, H. Takayanagi, T. Saku, and Y. Hirayama, International Conference on the Physics of Semiconductors (ICPS27), July 2630, 2004, Flagstaff, Arizona

Magnetooptics in Bedeltadoped GaAs quantum wells with a back gate, M. Yamaguchi, S. Nomura, D. Sato, T. Akazaki, H. Tamura, and H. Takayanagi, International Conference on the Physics of Semiconductors (ICPS27), July 2630, 2004, Flagstaff, Arizona

Tunable Exchange Interaction in QuantumDotArray Devices, H. Tamura, K. Shiraishi, and H. Takayanagi, International Conference on the Physics of Semiconductors (ICPS27), July 2630, 2004, Flagstaff, Arizona

Tunable exchange interaction and Kondo screening in quantum dot devices (Invited talk), H. Tamura, The 2nd Quantum Transport NanoHana International Workshop, Chiba, 2004.3.24

Electrondensity dependence of Photoluminescence from Bedeltadopoed GaAs quantum wells with a back gate, D. Sato, S. Nomura, M. Yamaguchi, T. Akazaki, H. Tamura, and H. Takayanagi, International Symposium on Mesoscopic Superconductivity and Spintronics 2004 (MS+S2004), Atsugi, 2004.3.2

Transport properties of a quantum wire with a sidecoupled quantum dot, M. Yamaguchi, A. Richter, H. Tamura, T. Akazaki, and H. Takayanagi, International Symposium on Mesoscopic Superconductivity and Spintronics (MS+S2004), Atsugi, 2004.3.2

Toward Tunable Magnetism in Quantum Dot Devices, H. Tamura, K. Shiraishi, L. I. Glazman, A. Richter, M. Yamaguchi, T. Akazaki, and H. Takayanagi, International Symposium on Mesoscopic Superconductivity and Spintronics 2004 (MS+S2004), Atsugi, 2004.3.2

Conductance oscillations of a quantum wire with a sidecoupled quantum dot, M. Yamaguchi, A. Richter, H. Tamura, T. Akazaki, and H. Takayanagi, XXXIXth Rencontres de Moriond, Italy, 2004.1.25

Kondo effect in a quantum wire coupled with double sidedots, H. Tamura and L.I. Glazman, International Symposium on New Phenomena in Mesoscopic Structures, USA, 2003.12.1

Design of New Properties and Functions Based on Quantum Wire Networks, K. Shiraishi, H. Tamura, and H. Takayanagi, International Symposium on Functional Semiconductor Nanosystems FSNS2003, Atsugi, 2003.11.11

Tunable Kondo effect in a quantum dot device, H. Tamura and L. I. Glazman, 15th International Conference on Electronic Properties of TwoDimensional Systems (EP2DS15), Nara, 2003.7.15

Fieldinduced Semiconductor Quantum Dots defined by a single metallic Frontgate, A.Richter, Y.Harada, H.Tamura, T.Akazaki, T.Saku, Y.Hirayama, and H.Takayanagi, International Symposium on Carrier Interactions and Spintronics in Nanostructures CISN2003 (Atsugi, March 1012, 2003)

A fieldinduced Semiconductor Quantum Dot defined by a single metallic Frontgate, A.Richter, K.Matsuda, Y.Harada, H.Tamura, T.Akazaki, Y.Hirayama, and H.Takayanagi, 2nd International Conference on Semiconductor Quantum Dots QD2002 (Tokyo, September 30  October 3, 2002)

Observations of Magnetoresistance Oscillations in a Quantum Dot Array System, Y.Harada, T.Akazaki, H.Tamura, K.Matsuda, T.Kimura, Y.Hirayama, and H.Takayanagi, 26th International Conference on the Physics of Semiconductors (Edinburgh, July 29  August 2 2002)

Hund's Rule in Artificial Atoms, Y.Asari, H.Tamura, and K.Takeda, International Symposium on Mesoscopic Superconductivity and Spintronics MS+S2002 (Atsugi, March 46, 2002)

Observations of AharanovBohm Oscillations in a Quamtum Dot Array Systems, Y.Harada, T.Akazaki, H.Tamura, M.Matsuda, T.Kimura, Y.Hirayama, and H.Takayanagi, International Symposium on Mesoscopic Superconductivity and Spintronics MS+S2002 (Atsugi, March 46, 2002)

Design of superconductors in quamtum dot superlattices, T.Kimura, H.Tamura, K.Kuroki, K.Shiraishi, H.Takayanagi, and R.Arita, International Symposium on Mesoscopic Superconductivity and Spintronics MS+S2002 (Atsugi, March 46, 2002)

Material design in quantum dot superlattices, H.Tamura, K.Shiraishi, T.Kimura, and H.Takayanagi, International Symposium on Mesoscopic Superconductivity and Spintronics MS+S2002 (Atsugi, March 46, 2002)

Material design in quantum dot superlattices (Invited talk), K.Shiraishi, H.Tamura, T.Kimura, and H.Takayanagi, 4th Asian Workshop on FirstPrinciple Electronics (Taipei, October 2931, 2001)

Material design based on quantum dot arrays (Invited talk), K.Shiraishi, H.Tamura, T.Kimura, and H.Takayanagi, 1st International Meeting on Formation and Characterization of Compound Semiconductor Nanostructures (Tsukuba, August 14, 2001)

Magnetic field effects on ferromagnetismand transport properties of kagome dot superlattices, T.Kimura, H.Tamura, K.Shiraishi, and H.Takayanagi, International Conference of Electronic Properties of TwoDimensional Systems EP2DS (Prague, July 30August 3, 2001)

Spherical artificial atom in magnetic fields, Y.Asari, H.Tamura, and K.Takeda, 1st International Workshop on Quantum Nonplanar Nanostructures and Nanoelectronics (Tsukuba, July 24, 2001)

Design of a semiconductor ferromagnet in a quantum dot array (Invited talk), K.Shiraishi, H.Tamura, T.Kimura, and H.Takayanagi, Gordon Research Conference, "Thin film and crystalgrowth mechanism" (Williamstowm, USA, July 2001)

Magnetic field effects on the flatband ferromagnetism on a kagome dot array, T.Kimura, H.Tamura, K.Shiraishi, and H.Takayanagi, International Symposium on Carrier Interactions in Mesoscopic Systems (Atsugi, February 2001)

Hund's rule in a spherical artificial atom, Y.Asari, H.Tamura, and K.Takeda, International Symposium on Carrier Interactions in Mesoscopic Systems (Atsugi, February 2001)

Design of a semiconductor ferromagnet in artificial crystals, H.Takayanagi, H.Tamura, K.Shiraishi, and T.Kimura, XXXVI Rencontres de Mariond, "Electronic Correlations: from meso to nanophysics" (Les Arcs, January 2001)

Theoretical Studies of Ferromagnetism in Semiconductor Dot Array, K.Shiraishi, H.Tamura, and H.Takayangi, 3rd JapanKorea Joint Workshop on FirstPrinciples Electronic Structure Calculations (Tsukuba, Oct.30Nov.1, 2000)

Anisotropic parabolic quantum dot in magnetic field, Y.Asari, H.Tamura, and K.Takeda, 3rd JapanKorea Joint Workshop on FirstPrinciples Electronic Structure Calculations (Tsukuba, Oct.30Nov.1, 2000)

Artificial Crystals Designed in Semiconductor Dot Arrays (Invited talk), H.Tamura, K.Shiraishi, T.Kimura, and H.Takayanagi, 4th International Symposium on Quantum Functional Devices, Kanazawa (November 2000)

Flatband Ferromagnetism in Semiconductor Dot Arrays, H.Tamura, K.Shiraishi, and H.Takayanagi, 25th International Conference of Physics of Semiconductors ICPS, Osaka (September 2000)

Semiconductor Ferromagnetism in Quantum Dot Array, H.Tamura, K.Shiraishi, and H.Takayanagi, International Conference of Semiconductor Quantum Dots, Munich (July 2000)

Theory of activated conduction in a Si single electron transistor, H.Tamura, Y.Takahashi, and K.Murase, 4th International Symposium on New Phenomena in Mesoscopic Structures (Hawaii, USA), December, 1998.

Orbital magnetism of disordered quantum dots: Effects of temperature and Coulomb interaction, H.Tamura and M.Ueda, 23rd International Conference on the Physics of Semiconductors (Berlin, Germany), July, 1996.

Orbital Magnetism of Quantum Dots: Effect of Disorder and ElectronElectron Interaction, H.Tamura and M.Ueda, Third International Symposium on New Phenomena in Mesoscopic Structures (Hawaii, USA), December, 1995.

Analytical Study of Electrical Transport in Quantum Wires in the Presence of Magnetic Field and SpinOrbit Scattering, H.Tamura and T.Ando, 33rd Yamada Conference on the Application of High Magnetic Fields in Semiconductor Physics (Chiba, Japan), August, 1992.
 Conductance Fluctuations in Quantum Wires , H.Tamura and T.Ando, 14th Taniguchi Symposium on Physics of Mesoscopic System (Shima, Japan), November, 1991.
Patents

Japan Patent No. H10305370 (filed August 27, 1998)
Structure of semiconductor quantum well and method of manufacturing the same,
K. Shiraishi, M. Nagase, S. Horiguchi, Y. Ono, H. Kageshima, Y. Takahashi, and H. Tamura 
Japan Patent No. H11350297 (filed December 9, 1999)
Magnetic body,
H. Tamura, K. Shiraishi, H. Takayanagi 
Japan Patent No.2000170024 (filed June 7, 2000)
Superconductor,
H. Tamura, K. Shiraishi, H. Takayanagi 
Japan Patent No.2000374332 (filed December 8, 2000)
Magnetic body using semiconducting material,
H. Tamura, K. Shiraishi, and H. Takayanagi 
US Patent No.09/732,807 (filed December 8, 2000)
Magnetic body formed by quantum dot array using nonmagnetic semiconductor,
H. Tamura, K. Shiraishi, and H. Takayanagi 
Japan Patent No.2001242424 (filed August 9, 2001)
Superconductor on the plaquette lattice,
T. Kimura, H. Tamura, H. Takayanagi 
Japan Patent No.2002256036 (filed August 30, 2002)
Magnetic body, magnetic device using the same, and method of manufacturing the same,
H. Tamura and H. Takayanagi 
Japan Patent No.2003295541 (filed August 19, 2003)
Magnetic body, magnetic device using the same, and method of manufacturing the same,
H. Tamura and H. Takayanagi 
US Patent No.10/654306 (filed September 2, 2003)
Magnetic body, magnetic device using the same, and method of manufacturing the same,
H. Tamura and H. Takayanagi 
EU Patent (UK, Germany, France), No.03019530.9 (filed August 29, 2003)
Magnetic body, magnetic device using the same, and method of manufacturing the same,
H. Tamura and H. Takayanagi 
China Patent, No.03157956.6 (filed September 1, 2003)
Magnetic body, magnetic device using the same, and method of manufacturing the same,
H. Tamura and H. Takayanagi 
Japan Patent No.2006210215 (filed August 1, 2006)
Method of spin separation, spinfilter, spintansistor
M. Yamaguchi, T. Akazaki, H. Tamura, and T.Kobayashi