2024

Paper

F. Inamura, G. Ueda, S. Kim, M. Patrashin, I. Hosako, S. Komiyama, K. Ikushima, "Landau-level terahertz emission from electrically biased graphene, APL Photonics 9, 116101 (2024).

J. Kikuchi, Y. Sakakura, and K. Ikushima, "Anisotropic properties of acoustically induced electric polarization in soft fibrous biological tissues", Jpn. J. Appl. Phys. 63, 04SP17 (2024).

J. Miura, F. Inamura, T. Ikuta, K. Maehashi, and K. Ikushima, "Accumulation of photoinduced carriers at the SiO2/Si interface observed through graphene transport", Jpn. J. Appl. Phys. 63 02SP65 (2024).

Conference

J. Miura, "Dynamics and Switching of Photoinduced Carrier Polarity at the Si/SiO2 Interface Observed by Graphene Transport", 36th International Conference on the Physics of Semiconductors (ICPS) 2024 (July 30, 2024).

2023

Paper

K. Ikushima, (Progress Review) Acoustically induced electric and magnetic polarizations and their sensing applications, Jpn. J. Appl. Phys. 62, SJ0802 (2023).

S. Okano, M. Duwe, M. Sivis, G. Ueda, T. Owa, and K. Ikushima, "Systematic Analysis of the Rayleigh-Wood Anomalies and the Symmetry Relations of 2D-Periodic Nanostructures by Imaging Spectroscopic Ellipsometry", Appl. Res.2023;e202200088.

Conference

N. Kaitoh and K. Ikushima (Invited), "Acoustically Stimulated Electromagnetic Method for sensing electric and magnetic properties", Acoustics2023 (Dec. 7, 2023).

J. Kikuchi, Y, Sakakura, and K. Ikushima, "Anisotropic properties of acoustically induced electric polarization in soft biological fibrous tissues", The 44th Symposium on UltraSonic Electronics (USE2023) (Nov. 13, 2023).

Y. Enomoto, Y, Sakakura, and K. Ikushima, "Directional detection of acoustically induced electric polarization with a differential antenna", The 44th Symposium on UltraSonic Electronics (USE2023) (Nov. 13, 2023).

J. Miura, F. Inamura, T. Ikuta, K. Maehashi, and K. Ikushima, "Accumulation of photoinduced carriers at the SiO2/Si interface observed through graphene transport", 2023 Internatinal conference on Solid State Devices and Materials (SSDM2023) (Sep. 7, 2023).

2022

Paper

Y. Suzuki, D. Hosokawa, and K. Ikushima, "Evaluation of Tensile Residual Stress in Welded Steel Plates Using Acoustically Stimulated Electromagnetic Response", IEEE T-UFFC 68, 1478 (2022). )

Conference

K. Ikushima (Plenary Lecture), "Acoustically induced electric and magnetic polarization and its sensing applications", Symposium on UltraSonic electronics (USE2022) (Nov. 9, 2022).

Kazuyo Ito, Y. Sakakura,N. Niimi, M. Mori, N. Kaitoh, and K. Ikushima, "First Human Experience with Acoustically Stimulated Electromagnetic (ASEM) Signal Measurement of Bone", Symposium on UltraSonic electronics (USE2022) (Nov. 8, 2022).

Y. Sakakura, Y. Anzai, Y. Kojima, M. Matsukawa, and K. Ikushima, "Acoustically induced electric polarization in bone and its anisotropy", IEEE International Ultrasonics Symposium (IEEE IUS) (Oct. 13, 2022).

2021

Review

S. Komiyama I. Hosako, K. Ikushima, and A. Takekawa, "Elementary Course of Electromagnetism: Reformation Based on Maxwell Equations", J. IEICE, vol.104, No.12, 1285 (2021). (in Japanese)

Conference

G. Ueda, F. Inamura,H. Murano, K. Takizawa,K. Ikushima,S. Kim, M. Patrashin, I. Hosako, S. Komiyama, "Landau level radiation in current-injected graphene", IRMMW-THz 2021 (Sep. 1, 2021, online).

H. Ogawa, H. Murano, G. Ueda, F. Inamura, K. Ikushima, T. Ikuta, and K. Maehashi, "Landau levels in turbostratic multilayer CVD graphene", SSDM 2021 (Sep. 8, 2021, online).

N. Kaitoh and K. Ikushima, "Attempt toward Medication Adherence Using Acoustically Stimulated Electromagnetic Method", IEEE International Ultrasonics Symposium (IEEE IUS) (Sep. 13, 2021, online).

K. Ito, N. Nobuo, K. Ikushima, "Applying Pulse-compression Method to Acoustic Stimulated Electromagnetic Measurements", IEEE International Ultrasonics Symposium (IEEE IUS) (Sep. 14, 2021, online).

2020

Paper

S. Okano, A. Sharma, F. Ortmann, A. Nishimura, C. Grunther, O. D. Gordan, K. Ikushima, V. Dzhagan, G. Salvan, "Voltage Controlled Dielectric Function of Bilayer Graphene", Adv. Optical Mater. 8, 2000861 (2020).

J. Yotsuji, K. Ikushima, and H. Yamada, "Flaw detection for thin sheet using acoustic stimulated electromagnetic wave technique", ISIJ International 60, 948 (2020).

Y. Suzuki, H. Yamada, and K. Ikushima, "Tensile-Stress Dependence of Magnetic Hysteresis Properties Measured by the Acoustically Stimulated Electromagnetic Response in Steel", IEEE T-UFFC 67, 825 (2020).(Original manuscript)

B. Jiang, K. Doi, K. Tsuchiya, Y. Kawano, A. Kori, K. Ikushima, "Micromechanical properties of steel corrosion products in concrete studied by nano-indentation technique", Corrosion Science 163, 108304 (2020).

2019

Paper

K. Ikushima, T. Kumamoto, K. Ito, and Y. Anzai, "Electric Polarization of Soft Biological Tissues Induced by Ultrasound Waves", Phys. Rev. Lett.123, 238101 (2019). (Selected as Editors' Suggestion). (Original manuscript, Supplemental material)

A. Delgard, B. Chenaud, D. Mailly, U. Gennser, K. Ikushima, and C. Chaubet, "Electrochemical Capacitance and Transit Time in Quantum Hall Conductors", Physica Status Solidi B 256,1800548 (2019).

Y. Suzuki, Y. Ichikawa, H. Yamada, K. Ikushima, "Nondestructive evaluation of residual stress through acoustically stimulated electromagnetic response in welded steel", Proceedings of 2019 IEEE International Ultrasonics Symposium.

Conference

Y. Suzuki, Y. Ichikawa, H. Yamada, K. Ikushima, "Nondestructive evaluation of residual stress through acoustically stimulated electromagnetic response in welded steel", IEEE IUS 2019 (Oct. 8, 2019, Glasgow, UK).

Y. Kojima, N. Niimi, K. Ikushima, Y. Yabe, Y. Hagiwara, "Acoustically stimulated electric polarization in osteoporotic bone", ASBMR 2019 (Florida, USA) (Sep. 23, 2019, Florida, USA).

H. Murano, K. Ikushima, A. Ikuta, K. Maehashi, "Quantum Hall Effect and Band Dispersion in Artificially Stacked CVD Graphene", SSDM2019 (Sep. 4, 2019, Nagoya, Japan).

H. Murano, K. Ikushima, K. Takizawa, M. Otsuji, G. Ueda, S. Kim, M. Patrashin, I. Hosako, S. Komiyama, "Nonequilibrium electron dynamics and Landau-level radiative transition in current-injected graphene", EDISON 21 (Jul. 18, 2019, Nara, Japan).

2018

Paper

J. Yotsuji, K. Ikushima, and H. Yamada, "Flaw detection for thin sheet using acoustic stimulated electromagnetic wave technique" Tetsu-to-Hagané 104, 784-790 (2018).

H. Yamada, J. Yotsuji, and K. Ikushima, "Phase-sensitive detection of acoustically stimulated electromagnetic response in steel", Jpn. J. Appl. Phys. 57, 07LB09 (2018).

D. Nakagawa, K. Takizawa, K. Ikushima, S. Kim, M. Patrashin, I. Hosako, and S. Komiyama, "Terahertz response in the quantum-Hall-effect regime of a quantum-well-based charge-sensitive infrared phototransistor", Jpn. J. Appl. Phys. 57, 04FK04 (2018).

K. Ikushima, H. Yamada, N. Niimi, Y. Kojima, Y. Yabe, Y. Hagiwara, "Acoustically stimulated electromagnetic response in biomedical tissues", Proceedings of 2018 IEEE International Ultrasonics Symposium.

Y. Suzuki, H. Yamada, T. Ozaki, K. Ikushima, "Stress dependence of magnetic hysteresis properties through acoustically stimulated electromagnetic response in steel", Proceedings of 2018 IEEE International Ultrasonics Symposium.

Conference

K. Ikushima, "Acoustically stimulated electromagnetic response in biomedical tissues", IEEE International Ultrasonics Symposium (IEEE IUS) (Oct. 25, 2018, Kobe, Japan).

Y. Suzuki, "Stress dependence of magnetic hysteresis properties through acoustically stimulated electromagnetic response in steel", IEEE International Ultrasonics Symposium (IEEE IUS) (Oct. 23, 2018, Kobe, Japan).

K. Ikushima (Invited), "Quantum dot THz detectors and applications for imaging" SPIE Optics and Photonics Symposium (Aug. 23, 2018, San Diego, USA).

C. Chaubet, A. Delgard, B. Chenaud, U. Gennser, D. Mailly, K. Ikushima, S. Okano, "Electron transit time and AC measurements in quantum Hall conductors" 34th International conference on the physics of semiconductors (ICPS 2018) (Jul. 30, 2018, Montpellier, France).

H. Murano K. Takizawa, K. Ikushima, S. Kim, M. Patrashin, I. Hosako, S. Komiyama, "Observation of Landau-level emission in current-injected graphene" 34th International conference on the physics of semiconductors (ICPS 2018) (Jul. 30, 2018, Montpellier, France).

S. Okano, A. Sharma, A. Nishimura, K. Ikushima, D. R. T. Zahn, "The Influence of Field Effect Doping on the Optical and Electrical Properties of a Graphene Monolayer" 2DNano (Jul. 19, 2018, Erice, Italy).

2017

Paper

Chiu-Chun Tang, K. Ikushima, D.C. Ling, C.C. Chi, and Jeng-Chung Chen, "Quantum Hall dual-band infrared photodetector", Phys. Rev. Applied 8, 064001 (2017).

Y. Kawano, T. Nishido, T. Mikami, K. Ikushima, "A suggestion of health monitoring for road bridge shoes", Procedia Engineering 188, 271 (2017).

Kazuhiro Takizawa, Akira Nishimura, Hirokazu Murano, Daisuke Nakagawa, Kenji Ikushima, Sunmi Kim, Mikhail Patrashin, Iwao Hosako, and Susumu Komiyama, "Observation of current-injected Landau-level emission in graphene using a quantum-well based infrared phototransistor", Ext. Abst. 2017 Internatinal conference on Solid State Devices and Materials (SSDM), PS-9-01.

D. Nakagawa, K. Takizawa, K. Ikushima, S. Kim, M. Patrashin, I. Hosako, and S. Komiyama, "Terahertz response in the quantum-Hall-effect regime of a quantum-well-based charge-sensitive infrared phototransistor", Ext. Abst. 2017 Internatinal conference on Solid State Devices and Materials (SSDM), C-7-04.

Y. Suzuki, H. Yamada, T. Ozaki, K. Noguchi, M. Iwata, K. Ikushima, "Local probing of magnetic hysteresis properties through acoustically stimulated electromagnetic response", Proceedings of Symposium on Ultrasonic Electronics 38, 1J2-1 (2017).

H. Yamada, J. Yotsuji, K. Ikushima, "Phase sensitive detection of acoustically stimulated electromagnetic response in steel", Proceedings of Symposium on Ultrasonic Electronics 38, 2P1-4 (2017).

Conference

D. Nakagawa, K. Takizawa, K. Ikushima, S. Kim, M. Patrashin, I. Hosako, and S. Komiyama, "Terahertz response in the quantum Hall effect regime of a quantum-well based charge sensitive phototransistor" 2017 Internatinal conference on Solid State Devices and Materials (SSDM) (Sep. 22, 2017, Sendai, Japan).

K. Takizawa, A. Nishimura, H. Murano, D. Nakagawa, K. Ikushima, S. Kim, M. Patrashin, I. Hosako, and S. Komiyama, "Observation of current-injected Landau-level emission in graphene using a quantum-well based infrared phototransistor" 2017 Internatinal conference on Solid State Devices and Materials (SSDM) (Sep. 21, 2017, Sendai, Japan).

S. Okano, C. Günther, A. Nishimura, O. D. Gordan, V. Dzhagan, K. Ikushima and D. R. T. Zahn, "On-demand Controlled Dielectric Function of Bilayer Graphene by a Back Gate Voltage" The International Confference on Optics of Interfaces and Surfaces 12, 2017 (June, 2017, Dublin, Ireland).

2016

Paper

M. Uehara, M. Kuroda, H. Yamada, Y. Kawano, K. Ikushima "Piezomagnetic effect of steel bars in cement composite structures", Proceedings of Symposium on Ultrasonic Electronics 37 2P2-9 (2016).

Conference

K. Ikushima (Invited) "Single Photon Detection of Terahertz Waves and its Applications" IRMMW-THz 2016 (Sep. 29, 2016, Copenhagen, Denmark).

K. Ikushima (Invited), S. Okano, A. Ito "Landau-Level Emission and Detection in Two-Dimensional Electron Systems" Energy Materials Nanotechnology meeting (EMN meeting) on Terahertz (May 17, 2016, San Sebastian, Spain).

S. Okano and K. Ikushima (Invited), "Single photon detection of terahertz waves on an integrated-circuit resonator" Progress In Electromagnetics Research Symposium (PIERS 2016) (Aug. 10, Shanghai, Chaina).

Patent

企業との共同出願　3件

2015

Paper

H. Yamada, K. Ikushima, K. Watanabe, "Magnetic hysteresis and magnetic flux patterns measured by acoustically stimulated electromagnetic response", Jpn. J. Appl. Phys. 54, 086601 (2015).

M. Uehara, M. Kuroda, H. Yamada, K. Ikushima, Y. Kawano, Y. Suzuki and A. Kohri "Measurements of Acoustically Stimulated Electromagnetic Response from reinforcing bars", Proceedings of Symposium on Ultrasonic Electronics 36 1P2-9 (2015).

K. Ikushima, M. Uehara, M. Kuroda, H. Yamada, Y. Kawano, Y. Suzuki and A. Kohri, "Magnetic sensing by ultrasonic excitation", 2015 IEEE International Ultrasonics Symposium Proceedings (10.1109/ULTSYM.2015.0108).

Conference

K. Watanabe, S. Hamazumi, H. Yamada, K. Ikushima, Y. Kojima, N. Niimi, Y. Hagiwara, "Spatial mapping of electromechanical properties in bone measured through acoustically stimulated electromagnetic response" IEEE International Ultrasonics Symposium (IEEE IUS) (Oct. 24, 2015, Taipei, Taiwan).

K. Ikushima, M. Uehara, M. Kuroda, H. Yamada, Y. Kawano, Y. Suzuki and A. Kohri, "Magnetic sensing by ultrasonic excitation" IEEE International Ultrasonics Symposium (IEEE IUS) (Oct. 23, Taipei, Taiwan).

K. Ikushima, A. Ito and S. Okano, "Converting electrons to photons in highly imbalanced spin-polarized edge states" EP2DS-21 (Jul. 28, 2015, Sendai, Japan).

K. Ikushima (Invited), "Terahertz Photon-Counting Measurements for Landau-Level Physics in Two Dimensional Electron Systems" TeraNano VI (Jul. 2, 2015, Okinawa, Japan).

D. Nakagawa, S. Kitta, K. Akiba, K. Ikushima, S. Kim, M. Patrashin, Y. Kajihara, and S. Komiyama, "Response of a Charge Sensitive Infrared Phototransistor in Strong Magnetic Fields" TeraNano VI (Jul. 2, 2015, Okinawa, Japan).

2014

Paper

K. Ikushima, A. Ito, and S. Okano, "Generation, transmission, and detection of terahertz photons on an electrically driven single chip", Appl. Phys. Lett. 104, 052112 (2014).

Conference

K. Ikushima (Invited), S. Okano, A. Ito, and T. Kobayashi, "Manipulating Terahertz Photons on a Solid State Chip Surface" TeraNano V (Dec. 15, 2014, Martinique, France).

S. Okano, A. Ito and K. Ikushima, "Energy Resolved Photon-Counting Measurements Using Quantum Dot Detectors Coulpled to Split-Ring Resonator" TeraNano V (Dec. 15, 2014, Martinique, France).

K. Ikushima, S. Okano, A. Ito, and T. Kobayashi, "Terahertz photon circuits using quantum electron transport" Quantum Dot 2014 (May 15, 2014, Pisa in Italy).

2013

Paper

H. Yamada, K. Takashima, K. Ikushima, H. Toida, M. Sato, and Y. Ishizawa, "Magnetic sensing via ultrasonic excitation" Rev. Sci. Instrum. 84, 044903 (2013).

H. Yamada, K. Ikushima, and J. Yotsuji, "Magnetic measurements of iron steels by using ultrasonics" Proceedings of Symposium on Ultrasonic Electronics 34, 5 (2013).

S. Naito, N. Ohno, H. Yamada, K. Ikushima, and N. Niimi, "Electromagnetic response exited by amplitude-modulated ultrasonic waves in bones" Proceedings of Symposium on Ultrasonic Electronics 34, 551 (2013).

Review

Kenji Ikushima, "Single-Photon Counting and Passive Microscopy of Terahertz Radiation", in Frontiers in Optical Methods - Nanocharacterization and Coherent Control (Springer Series in Optical Sciences Vol.180, pp. 197-212, 2014).

Conference

K. Ikushima, A. Ito, S. Okano, and S. Komiyama, "On-chip terahertz photon transmission using quantum electron transport" International Symposium on Advanced Nanodevices and Nanotechnology (ISANN2014) (Dec. 10, 2013, Hawaii).

H. Yamada, K. Takashima, S. Naito, and K. Ikushima, "Magnetic imaging by ultrasonic techniques" The 32nd International Acoustical Imaging Symposium (AI32) (Apr. 30, 2013, Singapore).

Y. Miyamoto, K. Kobayashi, A. Ito, and K. Ikushima, "Local detection of thermal radiation emitted from the liquid-solid interface" International Workshop on Optical Terahertz Science and Technology 2013 (OTST2013) (Apr. 4, 2013, Kyoto, Japan).

S. Okano, A. Ito, and K. Ikushima, "Electromagnetic Modeling of Planar Terahertz Resonators for On-chip Photon Detection" International Workshop on Optical Terahertz Science and Technology 2013 (OTST2013) (Apr. 2, 2013, Kyoto, Japan).

2012

Paper

N. Ohno, H. Yamada, K. Ikushima, N. Niimi, and Y. Kojima, "Imaging of Electromagnetic Properties via Acoustic Excitation" 2012 IEEE International Ultrasonics Symposium Proceedings 487-490 (2012).

N. Ohno, M. Uehara, H. Yamada, K. Ikushima, N. Niimi, and Y. Kojima, "Acoustically Stimulated Electromagnetic Response in Bones" Proceedings of Symposium on Ultrasonic Electronics 33, 523 (2012).

Conference

N. Ohno, H. Yamada, and K. Ikushima, "Imaging of Electromagnetic Properties via Acoustic Excitation" 2012 IEEE International Ultrasonics Symposiums (IEEE-IUS) (8 Oct. 2012, Dresden, Germany).

Y. Miyamoto, K. Kobayashi, A. Ito, and K. Ikushima, "Passive Infrared Microscope with High Spatial Resolution" The 37th International Conference on Infrared, Millimeter and THz Waves (IRMMW-THz) (27 Sep. 2012, Wollongong, Australia).

K. Ikushima (Invited), "On-chip terahertz photon manipulation" International Symposium on Compound Semiconductors (ISCS) (26 Aug.-30 Aug. 2012, Santa Barbara, USA).

2011

Paper

K. Ikushima and S. Komiyama,"Photon generation by injection of electrons via quantum Hall edge channels" Phys. Rev. B 84, 155313 (2011).

N. Ohno, Y. Kiyama, H. Yamada, K. Takashima and K. Ikushima, "Measurements of acoustically stimulated electromagnetic response from piezoelectric materials" Proceedings of Symposium on Ultrasonic Electronics 32, 211 (2011).

K. Takashima, H. Yamada, K. Ikushima, M. Sato and Y. Ishizawa, "Nondestructive inspection of austenitic stainless steels by detection of acoustically stimulated electromagnetic response" Proceedings of Symposium on Ultrasonic Electronics 32, 349 (2011).

Conference

K. Ikushima, K. Kunitani,"Landau level emission in the imbalance between adjacent spin-resolved edge channels", The 19th International Conference on Electronic Properties of Two-Dimensional Systems (EP2DS-19) (Florida, USA) July 2011.

2010

Paper

K. Ikushima and S. Komiyama,"Imaging by terahertz photon counting", C. R. Physique 11 (2010) 444 - 456.

K. Ikushima, D. Asaoka, S. Komiyama, T. Ueda and K. Hirakawa "Manipulating terahertz photons on a quantum Hall effect device", Physica E 42, 1034-1037 (2010).

Conference

K. Ikushima, K. Kunitani, D. Asaoka, S. Komiyama, T. Ueda, K. Hirakawa "On-chip Terahertz Photon Manipulation (Invited) ", The 35th International Conference on Infrared, Millimeter and THz waves (Rome, Italy) Sep. 2010.

2009

Paper

H. Yamada, K. Nakamoto, K. Ikushima "Magnetic imaging by ultrasonic techniques", Proceedings of Symposium on Ultrasonic Electronics 30, 57 - 58 (2009).

Conference

K. Ikushima, S. Komiyama "Generation of terahertz photons via edge-channel transport", International Symposium on Advanced Nanodevices and Nanotechnology (ISANN) (Hawaii, USA) Dec. 2009.

H. Yamada, K. Nakamoto, K. Ikushima "Magnetic imaging by ultrasonic techniques", Symposium on Ultrasonic Electronics (USE2009) (Kyoto Japan) Nov. 2009.

K. Ikushima, D. Asaoka, S. Komiyama, T. Ueda, K. Hirakawa "Manipulating terahertz photons on a quantum Hall effect device", The 18th International Conference on Electronic Properties of Two-Dimensional Systems (EP2DS-18) (Kobe, Japan) July 2009.

2008

Paper

K. Ikushima, S. Komiyama T. Ueda and K. Hirakawa "THz-photon generation due to electrons injected via quantum-Hall edge channels", Physica E 40, 1026 (2008).

K. Ikushima, H. Toida and S. Komiyama, "Imaging of electromagnetic properties via ultrasound waves", Proceedings of Symposium on Ultrasonic Electronics 29, 349 - 350 (2008).

Y. Tokunaga, Y. Homma, S. Kambe, D. Aoki, H. Sakai, H. Chudo, K. Ikushima, E. Yamamoto, A. Nakamura, Y. Shiokawa, R. E. Walstedt, H. Yasuoka, "NMR investigation of quadrupole order parameter in actinide dioxides", Journal of Optoelectronics and Advanced Materials 10, 1663 (2008).

Earlier

Quantum Transport

K. Ikushima, H. Sakuma, S. Komiyama and K. Hirakawa, "Visualization of quantum-Hall edge channels through imaging of THz emission", Phys. Rev. B 76, 165323 (2007).

(Invited papers) K. Ikushima, H. Sakuma, Y. Yoshimura, S. Komiyama, T. Ueda and K. Hirakawa "THz imaging of cyclotron emission in quantum Hall conductors", Physica E 34, 22-26 (2006).

H. Sakuma, K. Ikushima, S. Komiyama and K. Hirakawa, "Spectroscopy of non-equilibrium electrons in quantum Hall conductors", Physica E 34, 168-171 (2006).

S. Komiyama, H. Sakuma, K. Ikushima, K. Hirakawa, "Electron temperature of hot spots in quantum Hall devices", Phys. Rev. B 73 045333 (1-5) (2006).

K. Ikushima, H. Sakuma, S. Komiyama and K. Hirakawa "Imaging non-equilibrium edge states in quantum Hall conductors", Physics of Semiconductors (Proc. of 27th International Conference on the Physics of Semiconductors(ICPS-27)) 569-570 (2005).

(Invited paper) S. Komiyama, T. Machida and K. Ikushima, "Manipulating nuclear spins via quantum Hall edge channels", Physics of Semiconductors (Proc. of 27th International Conference on the Physics of Semiconductors (ICPS-27)) 505-508 (2005).

K. Ikushima, H. Sakuma, S. Komiyama and K. Hirakawa, "Imaging of cyclotron emission from edge channels in quantum Hall conductors", Phys. Rev. Lett. 93, 146804 (1-4) (2004).

T, Machida, T. Yamazaki, K. Ikushima and S. Komiyama, "Coherent electrical manipulation of nuclear spins in semiconductors", Physica E 25, 142-149 (2004).

T. Machida, T. Yamazaki, K. Ikushima, and S. Komiyama, "Electrical manipulation of nuclear spins in quantum Hall devices", Physica E 21, 921-927 (2004).

T. Machida, T. Yamazaki, K. Ikushima, and S. Komiyama "Coherent control of nuclear-spin system in a quantum-Hall device"", Appl. Phys. Lett. 82, 409-411 (2003).

T. Machida, T. Yamazaki, K. Ikushima, S. Komiyama "Local control of nuclear polarization in a quantum Hall device", Superlattices and Microstructures 32, 275-282 (2003).

T. Machida, T. Yamazaki, K. Ikushima, S. Komiyama, and K. Muraki "Pulsed-mode operation of nucelar spin polarization in integer quantum Hall systems", Physica E 18, 128-129 (2003).

Terahertz Technology

K. Ikushima, Y. Yoshimura, T. Hasegawa, S. Komiyama, T. Ueda and K. Hirakawa, "Photon-counting microscopy of terahertz radiation", Appl. Phys. Lett. 88, 152110 (1-3)(2006).

H. Sakuma, K. Ikushima, S. Komiyama, K. Hirakawa, "Spectral measurement of weak THz waves with quantum Hall detectors", Infrared Physics & Technology 48, 235-239 (2006).

K. Ikushima, H. Sakuma, S. Komiyama "A highly-sensitive scanning far-infrared microscope with quantum Hall detectors", Rev. Sci. Instrum. 74, 4209-4211 (2003).

K. Ikushima, H. Sakuma, S. Komiyama, "An improved far-infrared microscope with quantum Hall detectors", Physica E 18, 130-131 (2003).

Ultrasonic Technology

K. Ikushima, S. Watanuki and S. Komiyama, "Detection of acoustically induced electromagnetic radiation", Appl. Phys. Lett. 89, 194103 (1-3) (2006).

Strongly Correlated Electron Systems

H. Kato, H. Sakai, K. Ikushima, S. Kambe, Y. Tokunaga, D. Aoki, Y. Haga, Y. Onuki, H. Yasuoka, R. E. Walstedt, "235U study of the itinerant antiferromagnet USb2",Physica B 359, 1012-1013 (2005).

H. Kato, H. Sakai, K. Ikushima, S. Kambe, Y. Tokunaga, D. Aoki, Y. Haga, Y. Onuki, H. Yasuoka and R. E. Walstedt, "Direct observation of 235U NMR in an itinerant 5f electron system, USb2", J. Phys. Soc. Jpn. 73, 2085 (2004).

K. Ikushima, S. Tsutsui, Y. Haga, H. Yasuoka, N.M. Masaki, A. Nakamura, S. Nasu, Y. Onuki "First-order phase transition in UO2: 235U and 17O NMR study", Phys. Rev. B 63, 104404 (1-11) (2001).

K. Ikushima, D. Aoki, Y. Haga, E. Yamamoto, Y. Onuki "Unusual phase transition of UGa3 observed by Ga NQR", J. Phys. Soc. Jpn. 70 Suppl. A, 31-32 (2001) (Proc. of The 1st International Symposium on Advances in Neutron Scattering Research).

N. Metoki, M. Watahiki, M. Sato, K. Ikushima, H. Yasuoka, Y. Ueda "Absence of the intinerant SDW state at the metal-insulator phase boundary in pure V2O3 under high pressures", J. Phys. Soc. Jpn. 70 Suppl. A, 94-95 (2001) (Proc. of The 1st International Symposium on Advances in Neutron Scattering Research).

K. Ikushima, D. Aoki, Y. Haga, E. Yamamoto, Y. Onuki "Ga NMR/NQR study in UGa3", J. Magn. Magn. Mat. 226-230, Part1, 89-90 (2000).

K. Ikushima, H. Yasuoka, S. Tsutsui, S. Nasu, N. M. Masaki, A. Nakamura, Y. Ueda "235U NMR study of antiferromagnet UO2", Physica B 281&282 197-198 (2000).

K. Ikushima, Y. Kato, M. Takigawa, F. Iga, S. Hiura, T. Takabatake "171Yb NMR in the Kondo semiconductor YbB12", Physica B 281&282 274-275 (2000).

K. Ikushima, H. Yasuoka, Y. Uwatoko, Y. Isikawa "Scaling behavior in the Ce-based Kondo semiconductors: NQR/NMR measurements of CeRhSb and CeNiSn under high pressures", Phys. Rev. B 60, 14537-14540 (1999).

S. Tsutsui, S. Nasu, M. Nakada, N. M. Masaki, M. Saeki, K. Ikushima, H. Yasuoka, A. Nakamura "Nuclear magnetic moment of the first excited state (I=2+) of 238U", J. Phys.Soc. Jpn. 67, 2641 (1998).

K. Ikushima, H. Yasuoka, S. Tsutsui, M. Saeki, S. Nasu, M. Date "Observation of 235U NMR in the antiferromagnetic state of UO2", J. Phys. Soc. Jpn. 67, 65-66 (1998).

K. Ikushima, H. Yasuoka, A. Ohno, H. Takagi, R. J. Cava, J. J. Krajewski, W. F. Peck, Jr. "Magnetic properties in the normal state of LuNi2B2C observed by 61Ni an 11B NMR", J. Phys. Soc. Jpn. 66, 1130-1137 (1997).

K. Ikushima, J. Kikuchi, H. Yasuoka, R. J. Cava, H. Takagi, J. J. Krajewski, W. F. Peck, Jr. "11B NMR study in the new boride carbide superconductor LuNi2B2C", J. Phys. Soc. Jpn. 63, 2878-2881 (1994).