64. "2D Quantum Mechanical Simulation of Gate-Leakage Current in Double-Gate n-MOSFETs"
Satoru Muraoka, Ryotoa Mukai, Satofumi Souma, and Matsuto Ogawa
International Conference on Simulation of Semiconductor Processes and Devices
(SISPAD 2009, 2009/9/9-11 San Diego, USA）

63. "Effect of interface structure on current spin-polarization in narrow gap
semiconductor heterostructures"
Satofumi Souma and Matsuto Ogawa
14th International Conference on Modulated Semiconductor Structures (MSS-14)
（2009/7/19-24 Kobe Japan）

62. "Spin-polarization in InAs/AlSb double barrier resonant tunneling structures:
influnce of barrier material and interface structure"
Satofumi Souma and Matsuto Ogawa"
14th International Conference on Narrow Gap Semiconductor and Systems (NGSS-14)
（2009/7/13-17 Sendai Japan）

61. "Simulation of Graphene Nanoribbon Spin-Filter Device with Spin-Density Functional
Tight-Binding Method"
Satofumi Souma, Matsuto Ogawa, Takahiro Yamamoto, and Kazuyuki Watanabe
13th International Workshop on Computational Electronics (IWCE 2009)
（2009/5/27-29 Beijing, China）

60 "Influence of Edge Roughness on the Performance of Graphene Nano-Ribbon Devices",
Satofumi Souma, Matsuto Ogawa, Takahiro Yamamoto, and Kazuyuki Watanabe
International Meeting for Future of Electron Devices, Kansai (IMFEDK2009)
（2009/5/14-15）

59 "2D simulation of Gate-Leakage Current in Double-Gate n-MOSEFT Based on
Non-Equilibrium Green's function"
Satoru Muraoka, Ryotoa Mukai, Satofumi Souma, and Matsuto Ogawa
International Meeting for Future of Electron Devices, Kansai (IMFEDK2009)
（2009/5/14-15, Kansai Univ. Japan）

58. "Analysis of the Electronic Structures in Silicon Nano-Structures by
a Tight-Binding Model"
Koji Matsuda, Satofumi Souma, and Matsuto Ogawa
International Meeting for Future of Electron Devices, Kansai (IMFEDK2009)
（2009/5/14-15, Kansai Univ. Japan）

57. "Influence of Geometrical Deformation on Transport Characteristics
through Carbon Nantubes"
Masaaki Mouri, Matsuto Ogawa, Satofumi Souma
International Meeting for Future of Electron Devices, Kansai (IMFEDK2009)
（2009/5/14-15, Kansai Univ. Japan）

56. "強束縛近似法によるSi ナノワイヤにおける電子状態解析"
松田浩二，相馬聡文，小川真人
第５６回応用物理学関係連合講演会(2009/3/30-4/2 筑波大学)

55. "カーボンナノチューブにおける圧力の輸送特性への影響"
毛利真章，小川真人，相馬聡文
第５６回応用物理学関係連合講演会(2009/3/30-4/2 筑波大学)

54. ナノグラフェン素子における電流のスピン偏極制御に関する理論解析
相馬聡文, 小川真人, 山本 貴博, 渡辺 一之
第５６回応用物理学関係連合講演会(2009/3/30-4/2 筑波大学)

53. "カーボンナノチューブの輸送特性における圧力と格子欠陥の効果"
毛利真章，小川真人，相馬聡文
日本物理学会　第６４回年次大会(2009/3/27-30 立教大学)

52. "狭ギャップ半導体共鳴トンネル素子のスピン依存伝導における界面構造の影響"
相馬聡文　小川真人
日本物理学会　第６４回年次大会(2009/3/27-30 立教大学)

51."Spin Dependent Transport in Graphene Nano Ribbon Devices"
S.Souma, M.Ogawa, T.Yamamoto, and K.Watanabe
American Physical Society March Meeting, March 2009

50.
グラフェンナノエレクトロニクス-鉛筆の芯と相対論的量子力学の出会いと発展の場所
相馬聡文
第１７回「ＫＯＢＥ工学サミット」
(2008/12/5 神戸大学工学部)

49.
Computational Modeling of Spin-Dependent Transport in Graphene Nanoribbon Devices
Satofumi Souma, Matsuto Ogawa, Takahiro Ogawa, Kazuyuki Watanabe
The 23rd Nishinomiya-Yukawa Memorial International Workshop
Spin Transport in Condensed Matter (STCM)
(2008/1126 Yukawa Institute for Theoretical Physics, Kyoto University )

48.
COMPUTATIONAL MODELING OF GRAPHENE NANO-RIBBON SPIN DEVICES BASED ON
SPIN-DENSITY-FUNCTIONAL TIGHT-BINDING METHOD,
Satofumi Souma, Matsuto Ogawa, Takahiro Ogawa, Kazuyuki Watanabe
International Symposium on Graphene Devices (ISGD)
(2008/11/17-19 会津大学）

47
Calculation of Strain Effecs on the I-V Characteristics of Ultra Small MOSFETs
Based on NEGF Approach
Helmy Fitriawan, Satofumi Souma, and Matsuto Ogawa
2008 International Conference on Solid State Devices and Materials
(2008 9/24-26, Tsukuba International Congress Center)

46.
グラフェンナノリボン素子におけるスピン輸送シミュレーション
相馬聡文, 小川真人, 山本 貴博, 渡辺 一之
日本物理学会2008秋季大会(9/20-23　岩手大学)

45.
グラフェンナノリボンFETの数値シミュレーション
相馬聡文
電気学会「超集積化・環境ＣＭＯＳデバイス調査専門委員会」「化合物半導体電子デバイス調査専門委員会」合同委員会―「電子デバイス応用に向けたグラフェンの現状と将来展望」　依頼講演
(2008/7/25 早稲田大学大久保キャンパス)

44
グラフェンナノリボンを用いた新規デバイスの提案とシミュレーション
相馬聡文
応用物理学会シリコンテクノロジー分科会モデリング研究会
シリコンＣＭＯＳを超えるフロンティアデバイスのモデリング
(2008/7/11 機械振興会館)

43
原子レベルの材料特性に基づくナノエレクトロニクス/スピントロニクス素子デザイン
相馬聡文
(2008/5/20 早稲田大学　塚田研究室セミナー講演)

42
ナノグラフェン素子における量子輸送シミュレーション
相馬聡文, 小川真人, 山本 貴博, 渡辺 一之
第55回応用物理学関係連合講演会（2008/3月27日（木）〜30日（日）)　日本大学理工学部 船橋キャンパス）.

41.
Numerical Simulation of the Electronic Transport in Graphene Nano-Ribbon Devices
S.Souma, M.Ogawa, T.Yamamoto, and K.Watanabe
12th International Workshop on Computational Electronics
University of Massachusetts, Amherst, USA, October 9, 2007

40.
グラフェンナノリボン素子のトランジスタ特性に関する理論的研究
相馬聡文, 小川真人, 山本 貴博, 渡辺 一之
日本物理学会 2007年 年次大会 北海道大学札幌キャンパス
平成19年 9月24日 Sep. 24, 2007

39.
Atomistic Simulation of Spin-Polarized Electronic Current in Resonant Tunneling Heterostructures
S.Souma, and M. Ogawa
4th International School and Conference on Spintronics and Quantum Information Technology
(Spintech IV) Maui, Hawai USA, June 21, 2007

38.
Current-Voltage Chatacteristics and Local Current Distribution in Graphene-Nano-Ribbon Devices
S.Souma, M.Ogawa, T.Yamamoto, and K.Watanabe
Frontiers in Computational Science of Nanoscale Transport in conjunction with Atomistic Workshop 2007
Tokyo Univ. of Science, June 7, 2007

37.
グラファイトリボンの電気伝導におけるゲート電極の効果
相馬聡文, 小川真人, 山本 貴博, 渡辺 一之
日本物理学会 2007年 春季大会 鹿児島大学郡元キャンパス
平成19年 3月20日, Mar. 20, 2007

36.
ナノスケールトランジスタにおける電極形状効果と実空間・モード空間展開法の比較
今後博，水谷篤史，清水崇之，H. Fitriawan，相馬聡文, 小川真人，三好旦六
第54回応用物理学関係連合講演会 青山学院大学　相模原キャンパス
平成19年3月29日, Mar. 29, 2007

35.
Modeling of Quantum Electron Transport in Strained Double-Gate MOSFETs
H.Fitriawan, 相馬聡文, 小川真人, 三好旦六
第54回応用物理学関係連合講演会　青山学院大学　相模原キャンパス
平成19年3月28日, Mar. 28, 2007

34.
Rashbaスピン軌道相互作用下のメゾスコピック多端子構造におけるスピンホール流の生成と検出
相馬聡文, B.K.Nikolic
日本物理学会秋の分科会
平成18年 9月25日, Sep. 24, 2006


33.
Multiband simulation of quantum electron transport in nano-scale devices based on
non-equilibrium Green’s function
H.Fitriawan, S.Souma, M.Ogawa, T.Miyoshi
International Conference on Solid State Devices and Materials 2006 (SSDM2006)
PACIFICO YOKOHAMA Japan, Sep. 14, 2006

32.
Fullband simulation of quantum electron transportin nanoscale devices
H.Fitriawan, 相馬聡文, 小川真人, 三好旦六
第67回応用物理学会学術講演会
平成18年 8月31日, Aug. 31, 2006

31.
グラファイトリボンの有限バイアス電気伝導におけるエッジ状態の役割
相馬聡文, 山本貴博, 渡辺一之
日本物理学会第６１回年次大会 愛媛大学・松山大学
平成18年3月30日, Mar. 30, 2006

30.
Electronic Transport in Graphitic ribbon bridges under the finite bias voltages
S. Souma, T.Yamamoto, and K.Watanabe
The Forth International Symposium on Surface Science and Nanotechnology (ISSS4)
Ohmiya Sonic City. Saitama, Japan, Nov. 14, 2005,

29.
Ab initio Scattering State Calculation of Field Emission from Nanostructures
M. Araidai, S. Souma, and K. Watanabe
The Forth International Symposium on Surface Science and Nanotechnology (ISSS4)
Ohmiya Sonic City. Saitama,
Japan, Nov. 16, 2005

28.
Electronic Transport in Graphite Ribbon Bridges under the Finite Bias Voltages
Satofumi Souma, Takahiro Yamamoto, and Kazuyuki Watanabe
The Physical Society of Japan, Sessional Meeting, (Doshisya Univ. Kyoto, Japan)
Sep. 19, 2005

27.
Spin Hall current driven by spin-interference in mesoscopic rings with Rashba spin-orbit coupling
Satofumi Souma, and Branislav K. Nikolic
The Physical Society of Japan, Sessional Meeting, (Doshisya Univ. Kyoto, Japan)
Sep. 21, 2005

26.
Controlling Decoherence of Transported Spin in Semiconductor Spintronic Devices
Satofumi Souma, and Branislav K. Nikolic
The 10th Workshop on Similarity in Diversity (SiD-10),
(Morito Memorial Hall, Tokyo Univ. of Science, Tokyo, Japan)
Sep. 7, 2005

25.
Spin-Hall Effect in Semiconductor Mesoscopic Structures
Satofumi Souma and Branislav. K. Nikolic
QSRC Workshop (Quantum-functional Semiconductor Research Center, Dongguk Univ. Seoul, Korea)
Aug. 12, 2005

24.
Mesoscopic Spin Hall Current and Spin Accumulation in Multiprobe Ballistic Semiconductor Nanostructures
Branislav K. Nikolic, Liviu. P. Zarbo, and Satofumi Souma
The third international school and conference on spintronics and quantum information technology (SpinTech III), (Awaji Umebutai International Conference Center. Awaji Island, Japan)
Aug. 4, 2005

23.
Quantum-Coherent Spin Hall Effect and All-Electrical Detectors for Its Experimental Observation
Branislav K. Nikolic and Satofumi Souma
The third international school and conference on spintronics and quantum information technology (SpinTech III), (Awaji Umebutai International Conference Center. Awaji Island, Japan)
Aug. 4, 2005

22.
Spin-Hall Effect in Semiconductor Mesoscopic Structures
Satofumi Souma
BUTSURI Seminar (Tokyo Univ. of Science, Tokyo, Japan)
Apr. , 2005

21.
Mesoscopic spin-Hall effect in two- and four-terminal systems with Rashba spin-orbit coupling
Satofumi Souma, Liviu P. Zarbo, and Branislav K. Nikolic
The physical society of Japan, Anual meeting ,
(Tokyo Univ. of Science, Chiba Japan)
Mar. 26, 2005

20.
Purification of spin quantum states in mesoscopic ring devices with Rashba spin-orbit interaction
Satofumi Souma and Branislav K. Nikolic
American Physical Society March Meeting, (Montrial, Canada)
Mar. 2004

19.
Ferromagnetism and its control in diluted magnetic semiconductor quantum wells
Satofumi Souma
Rironken Seminar (Tokyo Univ. of Science, Tokyo, Japan)
Apr. 21, 2003

18.
Multi-subband Theory of Ferromagnetism in GaMnAs Quantum Wells,
Satofumi Souma, Seung Joo Lee, and Tae Won Kang,
Carrier Interactions and Spintronics in Nanostructures (CISN) 2003
(NTT Atsugi R&D Center, Japan), Mar. 12, 2003,

17.
Self-consistent calculation of Diluted-magnetic Semiconductor Quantum Wells,
Satofumi Souma
QSRC Workshop
(Quantum-functional Semiconductor Research Center, Dongguk Univ. Korea)
Nov. 25, 2002

16.
Electronic transport through quantum wires with array of magnetic-field-quantum-dots
S. Souma, S. J. Lee, N. Kim, T. W. Kang, and G. Ihm,
Korean Physical Society Fall Meeting, 2002,
(Hanyang Univ. Seoul Korea)
Oct. 24, 2002.

15.
Magneto-conductance in Quantum Wires with Array of Magnetic Quantum Dots.
S. Souma, S.J. Lee, N. Kim, T.W. Kang, G. Ihm, J.C.Woo, and A. Suzuki
26th International Conference on the Physics of Semiconductors (ICPS), 2002
(Edinburgh International Conference Centre, Edinburgh SCOTLAND)
July 30, 2002

14.
Effects of magnetic quantum dots on magneto-conductance in quantum wires.
S. Souma, S.J. Lee, N. Kim, T.W. Kang, G. Ihm, K.S. Yi, and A. Suzuki
2nd International Conference on Physics and Application of Spin Related Phenomena in Semiconductors (PASPS), 2002.
(Wuerzburg University, Wuerzburg, GERMANY)
July 26, 2002

13.
Electronic Transport in Quantum Wires with Magnetic Quantum Dots in Series.
S. Souma, S. J. Lee, N. Kim, T. W. Kang, G. Ihm, and A. Suzuki
American Physical Society, March Meeting 2002,
(Indianapolis Convention Center, Indianapolis USA)
Mar. 18, 2002


12.
Density of States of Electrons in Cylindrically Confined Systems in Crossover Regime.
S. Souma, S. J. Lee, N. Kim, T. W. Kang, and A. Suzuki
American Physical Society, March Meeting 2002,
(Indianapolis Convention Center, Indianapolis USA)
Mar. 18, 2002

11.
Electronic and Magnetic Properties in Quantum Confined Systems
Satofumi Souma
QSRC Workshop 2002
(Quantum-Functional Semiconductor Research Center, Dongguk University, Seoul Korea
Feb. 25, 2002

10.
Dimensional Crossover of Density of States in Cylindrically Confined Systems
Satofumi Souma, Seung-Joo Lee, and Tae-Won Kang
7th International Workshop on Similarity in Diversity (SiD 2001),
Sep. 10, 2001.　(Kokushikan University, Tokyo Japan)

9.
Transmission phases in quantum wires with an antidot potential subjected to a high magnetic field
Satofumi Souma and Akira Suzuki
International Conference on Superlattice, Microstructures, Microdevices (ICSMM 2000),
2000 (Kyongyu KOREA)　

8.
Effect of phase-breaking in edge-state transport in quantum wires
Satofumi Souma and Akira Suzuki
The Physical Society of Japan, Sessional Conference 1999,
Sep. 25, 1999 (Iwate University, Iwate Japan)

7.
Dephasing due to voltage probes in quantum wires with antidot potential
Satofumi Souma and Akira Suzuki
3rd Tohwa University International Conference 1999
1999 （Tohwa University, Fukuoka Japan）

6.
Effect of inelastic scattering in quantum wires subjected to high magnetic field
Satofumi Souma and Akira Suzuki
The Physical Society of Japan, The Annual Conference 1999,
Mar. 31, 1999 (Hiroshima University, Hiroshima Japan)

5.
Effect of phase breaking scattering in quantum wires with an antidot potential
Satofumi Souma and Akira Suzuki
5th International Workshop on Similarity in Diversity 1998,
1998 (Tohoku University, Sendai Japan)

4.
Magnetic field dependence of conductance in Mesoscopic Corbino disk
Satofumi Souma and Akira Suzuki
The Physical Society of Japan, Sessional Conference 1998,
Sep. 26, 1998 (Okinawa International University, Okinawa Japan)

3.
Evanescent modes and impurity scattering in nano-scale Corbino disks
Satofumi Souma and Akira Suzuki
2nd Tohwa University International Meeting 1997,
1997 （Tohwa University, Fukuoka Japan）

2.
Effect of impurity scattering in Nano-scale Corbino disk II
Satofumi Souma and Akira Suzuki
The Physical Society of Japan, The Annual Conference 1997,
Mar. 29, 1997 (Meijyo University, Nagoya Japan)

1.
Effect of impurity scattering in Nano-scale Corbino disk
Satofumi Souma and Akira Suzuki
The Physical Society of Japan, Sessional Conference 1996,
Oct. 2, 1996 (Yamaguchi University, Yamaguchi Japan)