• 7677 Citations
  • 47 h-Index
1980 …2019

Research output per year

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Research Output

2019

Advanced photo-assisted capacitance-voltage characterization of insulator/wide-bandgap semiconductor interface using super-bandgap illumination

Hiraiwa, A., Okubo, S., Horikawa, K. & Kawarada, H., 2019 May 7, In : Journal of Applied Physics. 125, 17, 175704.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Carbon 1s X-ray photoelectron spectra of realistic samples of hydrogen-terminated and oxygen-terminated CVD diamond (111) and (001)

Kono, S., Kageura, T., Hayashi, Y., Ri, S. G., Teraji, T., Takeuchi, D., Ogura, M., Kodama, H., Sawabe, A., Inaba, M., Hiraiwa, A. & Kawarada, H., 2019 Mar 1, In : Diamond and Related Materials. 93, p. 105-130 26 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Carboxyl-functionalized graphene SGFET: pH sensing mechanism and reliability of anodization

Falina, S., Syamsul, M., Iyama, Y., Hasegawa, M., Koga, Y. & Kawarada, H., 2019 Jan 1, In : Diamond and Related Materials. 91, p. 15-21 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Deoxyribonucleic-acid-sensitive polycrystalline diamond solutiongate field-effect transistor with a carboxyl-terminated borondoped channel

Shintani, Y., Ibori, S. & Kawarada, H., 2019 Jan 1, In : Analytical Sciences. 35, 8, p. 923-927 5 p.

Research output: Contribution to journalArticle

Open Access
Open Access

Functionalization of a diamond surface through N 2 and H 2 irradiation for estrogen (17β-estradiol) aptamer sensing

Suaebah, E., Hasegawa, M., Buendia, J. J., Fei, W., Chandran, M., Hoffman, A. & Kawarada, H., 2019 Jan 1, In : Sensors and Materials. 31, 4, p. 1119-1134 16 p.

Research output: Contribution to journalArticle

Open Access

Gate/insulator-interfacial-dipole-controlled current conduction in Al2O3 metal-insulator-semiconductor capacitors

Okubo, S., Horikawa, K., Kawarada, H. & Hiraiwa, A., 2019 Jul 28, In : Journal of Applied Physics. 126, 4, 045704.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Nitrogen-Terminated Diamond Surface for Nanoscale NMR by Shallow Nitrogen-Vacancy Centers

Kawai, S., Yamano, H., Sonoda, T., Kato, K., Buendia, J. J., Kageura, T., Fukuda, R., Okada, T., Tanii, T., Higuchi, T., Haruyama, M., Yamada, K., Onoda, S., Ohshima, T., Kada, W., Hanaizumi, O., Stacey, A., Teraji, T., Kono, S., Isoya, J. & 1 others, Kawarada, H., 2019 Feb 14, In : Journal of Physical Chemistry C. 123, 6, p. 3594-3604 11 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Normally-OFF Two-Dimensional Hole Gas Diamond MOSFETs Through Nitrogen-Ion Implantation

Oi, N., Kudo, T., Inaba, M., Okubo, S., Onoda, S., Hiraiwa, A. & Kawarada, H., 2019 Jun, In : IEEE Electron Device Letters. 40, 6, p. 933-936 4 p., 8715486.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Point-Arc Remote Plasma Chemical Vapor Deposition for High-Quality Single-Crystal Diamond Selective Growth

Fei, W., Inaba, M., Hoshino, H., Tsuyusaki, I., Kawai, S., Iwataki, M. & Kawarada, H., 2019 Jan 1, In : Physica Status Solidi (A) Applications and Materials Science.

Research output: Contribution to journalArticle

Single-crystalline boron-doped diamond superconducting quantum interference devices with regrowth-induced step edge structure

Kageura, T., Hideko, M., Tsuyuzaki, I., Morishita, A., Kawano, A., Sasama, Y., Yamaguchi, T., Takano, Y., Tachiki, M., Ooi, S., Hirata, K., Arisawa, S. & Kawarada, H., 2019 Dec 1, In : Scientific reports. 9, 1, 15214.

Research output: Contribution to journalArticle

Open Access

Triple nitrogen-vacancy centre fabrication by C5N4H n ion implantation

Haruyama, M., Onoda, S., Higuchi, T., Kada, W., Chiba, A., Hirano, Y., Teraji, T., Igarashi, R., Kawai, S., Kawarada, H., Ishii, Y., Fukuda, R., Tanii, T., Isoya, J., Ohshima, T. & Hanaizumi, O., 2019 Dec 1, In : Nature communications. 10, 1, 2664.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
2018

3.8 W/mm power density for ALD Al2 O 3 -based two-dimensional hole gas diamond MOSFET operating at saturation velocity

Imanishi, S., Horikawa, K., Oi, N., Okubo, S., Kageura, T., Hiraiwa, A. & Kawarada, H., 2018 Jan 1, (Accepted/In press) In : IEEE Electron Device Letters.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Electrical contact properties between carbon nanotube ends and a conductive atomic force microscope tip

Inaba, M., Ohara, K., Shibuya, M., Ochiai, T., Yokoyama, D., Norimatsu, W., Kusunoki, M. & Kawarada, H., 2018 Jun 28, In : Journal of Applied Physics. 123, 24, 244502.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Heteroepitaxial Diamond Field-Effect Transistor for High Voltage Applications

Syamsul, M., Oi, N., Okubo, S., Kageura, T. & Kawarada, H., 2018 Jan 1, In : IEEE Electron Device Letters. 39, 1, p. 51-54 4 p., 815093.

Research output: Contribution to journalArticle

6 Citations (Scopus)

In-plane electrical conduction mechanisms of highly dense carbon nanotube forests on silicon carbide

Matsuda, K., Norimatsu, W., Bao, J., Kawarada, H. & Kusunoki, M., 2018 Jan 28, In : Journal of Applied Physics. 123, 4, 045104.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Ionic-liquid-gating setup for stable measurements and reduced electronic inhomogeneity at low temperatures

Takahide, Y., Sasama, Y., Takeya, H., Takano, Y., Kageura, T. & Kawarada, H., 2018 Oct 1, In : Review of Scientific Instruments. 89, 10, 103903.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Irradiation-Induced Modification of the Superconducting Properties of Heavily-Boron-Doped Diamond

Creedon, D. L., Jiang, Y., Ganesan, K., Stacey, A., Kageura, T., Kawarada, H., McCallum, J. C., Johnson, B. C., Prawer, S. & Jamieson, D. N., 2018 Oct 5, In : Physical Review Applied. 10, 4, 044016.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Lithographically engineered shallow nitrogen-vacancy centers in diamond for external nuclear spin sensing

Fukuda, R., Balasubramanian, P., Higashimata, I., Koike, G., Okada, T., Kagami, R., Teraji, T., Onoda, S., Haruyama, M., Yamada, K., Inaba, M., Yamano, H., Stürner, F. M., Schmitt, S., McGuinness, L. P., Jelezko, F., Ohshima, T., Shinada, T., Kawarada, H., Kada, W. & 3 others, Hanaizumi, O., Tanii, T. & Isoya, J., 2018 Aug, In : New Journal of Physics. 20, 8, 083029.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Role of carboxyl and amine termination on a boron-doped diamond solution gate field effect transistor (SGFET) for PH sensing

Falina, S., Kawai, S., Oi, N., Yamano, H., Kageura, T., Suaebah, E., Inaba, M., Shintani, Y., Syamsul, M. & Kawarada, H., 2018 Jul 6, In : Sensors (Switzerland). 18, 7, 2178.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Superconductivity in nano- and micro-patterned high quality single crystalline boron-doped diamond films

Kageura, T., Hideko, M., Tsuyuzaki, I., Amano, S., Morishita, A., Yamaguchi, T., Takano, Y. & Kawarada, H., 2018 Nov 1, In : Diamond and Related Materials. 90, p. 181-187 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Time-dependent dielectric breakdown of atomic-layer-deposited Al2O3 films on GaN

Hiraiwa, A., Sasaki, T., Okubo, S., Horikawa, K. & Kawarada, H., 2018 Apr 21, In : Journal of Applied Physics. 123, 15, 155303.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Vertical-type two-dimensional hole gas diamond metal oxide semiconductor field-effect transistors

Oi, N., Inaba, M., Okubo, S., Tsuyuzaki, I., Kageura, T., Onoda, S., Hiraiwa, A. & Kawarada, H., 2018 Dec 1, In : Scientific reports. 8, 1, 10660.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2017
2 Citations (Scopus)

Aptamer-based carboxyl-terminated nanocrystalline diamond sensing arrays for adenosine triphosphate detection

Suaebah, E., Naramura, T., Myodo, M., Hasegawa, M., Shoji, S., Buendia, J. J. & Kawarada, H., 2017 Jul 21, In : Sensors (Switzerland). 17, 7, 1686.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Aptamer strategy for ATP detection on nanocrystalline diamond functionalized by a nitrogen and hydrogen radical beam system

Suaebah, E., Seshimo, Y., Shibata, M., Kono, S., Hasegawa, M. & Kawarada, H., 2017 Jan 28, In : Journal of Applied Physics. 121, 4, 044506.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Charge state stabilization of shallow nitrogen vacancy centers in diamond by oxygen surface modification

Yamano, H., Kawai, S., Kato, K., Kageura, T., Inaba, M., Okada, T., Higashimata, I., Haruyama, M., Tanii, T., Yamada, K., Onoda, S., Kada, W., Hanaizumi, O., Teraji, T., Isoya, J. & Kawarada, H., 2017 Apr, In : Japanese journal of applied physics. 56, 4, 04CK08.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Durability-enhanced two-dimensional hole gas of C-H diamond surface for complementary power inverter applications

Kawarada, H., Yamada, T., Xu, D., Tsuboi, H., Kitabayashi, Y., Matsumura, D., Shibata, M., Kudo, T., Inaba, M. & Hiraiwa, A., 2017 Feb 20, In : Scientific Reports. 7, 42368.

Research output: Contribution to journalArticle

26 Citations (Scopus)

Effect of a radical exposure nitridation surface on the charge stability of shallow nitrogen-vacancy centers in diamond

Kageura, T., Kato, K., Yamano, H., Suaebah, E., Kajiya, M., Kawai, S., Inaba, M., Tanii, T., Haruyama, M., Yamada, K., Onoda, S., Kada, W., Hanaizumi, O., Teraji, T., Isoya, J., Kono, S. & Kawarada, H., 2017 May, In : Applied Physics Express. 10, 5, 055503.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Fabrication of photo-electrochemical biosensors for ultrasensitive screening of mono-bioactive molecules: The effect of geometrical structures and crystal surfaces

Akhtar, N., Emran, M. Y., Shenashen, M. A., Khalifa, H., Osaka, T., Faheem, A., Homma, T., Kawarada, H. & El-Safty, S. A., 2017 Jan 1, In : Journal of Materials Chemistry B. 5, 39, p. 7985-7996 12 p.

Research output: Contribution to journalArticle

40 Citations (Scopus)

High Voltage Stress Induced in Transparent Polycrystalline Diamond Field-Effect Transistor and Enhanced Endurance Using Thick Al2O3 Passivation Layer

Syamsul, M., Kitabayashi, Y., Kudo, T., Matsumura, D. & Kawarada, H., 2017 May 1, In : IEEE Electron Device Letters. 38, 5, p. 607-610 4 p., 7882717.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Normally-Off C-H Diamond MOSFETs with Partial C-O Channel Achieving 2-kV Breakdown Voltage

Kitabayashi, Y., Kudo, T., Tsuboi, H., Yamada, T., Xu, D., Shibata, M., Matsumura, D., Hayashi, Y., Syamsul, M., Inaba, M., Hiraiwa, A. & Kawarada, H., 2017 Mar 1, In : IEEE Electron Device Letters. 38, 3, p. 363-366 4 p., 7837668.

Research output: Contribution to journalArticle

42 Citations (Scopus)

Post-deposition-annealing effect on current conduction in Al2O3 films formed by atomic layer deposition with H2O oxidant

Hiraiwa, A., Matsumura, D., Okubo, S. & Kawarada, H., 2017 Feb 21, In : Journal of Applied Physics. 121, 7, 074502.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Sheet resistance underneath the Au ohmic-electrode on hydrogen-terminated surface-conductive diamond (001)

Kono, S., Sasaki, T., Inaba, M., Hiraiwa, A. & Kawarada, H., 2017 Nov 1, In : Diamond and Related Materials. 80, p. 93-98 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Smart power devices and ICs using GaAs and wide and extreme bandgap semiconductors

Chow, T. P., Omura, I., Higashiwaki, M., Kawarada, H. & Pala, V., 2017 Mar 1, In : IEEE Transactions on Electron Devices. 64, 3, p. 856-873 18 p., 7851006.

Research output: Contribution to journalArticle

49 Citations (Scopus)

Threshold voltage control of electrolyte solution gate field-effect transistor by electrochemical oxidation

Naramura, T., Inaba, M., Mizuno, S., Igarashi, K., Kida, E., Mohd Sukri, S. F., Shintani, Y. & Kawarada, H., 2017 Jul 3, In : Applied Physics Letters. 111, 1, 013505.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Vertical edge graphite layer on recovered diamond (001) after high-dose ion implantation and high-temperature annealing

Inaba, M., Seki, A., Sato, K., Kushida, T., Kageura, T., Yamano, H., Hiraiwa, A. & Kawarada, H., 2017, (Accepted/In press) In : Physica Status Solidi (B) Basic Research.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2016

Contact Conductivity of Uncapped Carbon Nanotubes Formed by Silicon Carbide Decomposition

Inaba, M., Lee, C. Y., Suzuki, K., Shibuya, M., Myodo, M., Hirano, Y., Norimatsu, W., Kusunoki, M. & Kawarada, H., 2016 Mar 24, In : Journal of Physical Chemistry C. 120, 11, p. 6232-6238 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Diamond MOSFETs using 2D hole gas with 1700V breakdown voltage

Kawarada, H., Yamada, T., Xu, D., Kitabayashi, Y., Shibata, M., Matsumura, D., Kobayashi, M., Saito, T., Kudo, T., Inaba, M. & Hiraiwa, A., 2016 Jul 25, Proceedings of the 2016 28th International Symposium on Power Semiconductor Devices and ICs, ISPSD 2016. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-July. p. 483-486 4 p. 7520883

Research output: Chapter in Book/Report/Conference proceedingConference contribution

18 Citations (Scopus)

Effect of atomic layer deposition temperature on current conduction in Al2O3 films formed using H2O oxidant

Hiraiwa, A., Matsumura, D. & Kawarada, H., 2016 Aug 28, In : Journal of Applied Physics. 120, 8, 084504.

Research output: Contribution to journalArticle

9 Citations (Scopus)

High voltage breakdown (1.8 kV) of hydrogenated black diamond field effect transistor

Syamsul, M., Kitabayashi, Y., Matsumura, D., Saito, T., Shintani, Y. & Kawarada, H., 2016 Nov 14, In : Applied Physics Letters. 109, 20, 203504.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Hydrogen-terminated diamond vertical-type metal oxide semiconductor field-effect transistors with a trench gate

Inaba, M., Muta, T., Kobayashi, M., Saito, T., Shibata, M., Matsumura, D., Kudo, T., Hiraiwa, A. & Kawarada, H., 2016 Jul 18, In : Applied Physics Letters. 109, 3, 033503.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Ohmic contact for silicon carbide by carbon nanotubes

Inaba, M., Suzuki, K., Hirano, Y., Norimatsu, W., Kusunoki, M. & Kawarada, H., 2016, Silicon Carbide and Related Materials 2015. Trans Tech Publications Ltd, Vol. 858. p. 561-564 4 p. (Materials Science Forum; vol. 858).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Polycrystalline boron-doped diamond with an oxygen-terminated surface channel as an electrolyte-solution-gate field-effect transistor for pH sensing

Shintani, Y., Ibori, S., Igarashi, K., Naramura, T., Inaba, M. & Kawarada, H., 2016 Sep 10, In : Electrochimica Acta. 212, p. 10-15 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Radially oriented nanostrand electrodes to boost glucose sensing in mammalian blood

Akhtar, N., El-Safty, S. A., Abdelsalam, M. E., Shenashen, M. A. & Kawarada, H., 2016 Mar 15, In : Biosensors and Bioelectronics. 77, p. 656-665 10 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Space-charge-controlled field emission model of current conduction through Al2O3 films

Hiraiwa, A., Matsumura, D. & Kawarada, H., 2016 Feb 14, In : Journal of Applied Physics. 119, 6, 064505.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Spin-induced anomalous magnetoresistance at the (100) surface of hydrogen-terminated diamond

Takahide, Y., Sasama, Y., Tanaka, M., Takeya, H., Takano, Y., Kageura, T. & Kawarada, H., 2016 Oct 13, In : Physical Review B - Condensed Matter and Materials Physics. 94, 16, 161301.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2015

Blocking characteristics of diamond junctions with a punch-through design

Hiraiwa, A. & Kawarada, H., 2015 Mar 28, In : Journal of Applied Physics. 117, 12, 124503.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Direct partial CH3 termination into carboxyl terminated diamond surface for biosensor

Suaebah, E., Naramura, T. & Kawarada, H., 2015 Dec 31, 2015 IEEE SENSORS - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7370587

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Electron transport dependence of nanoscale hemeprotein molecular structures for engineering electrochemical nanosensor

Akhtar, N., El-Safty, S. A., Abdelsalam, M. E. & Kawarada, H., 2015 Aug 1, In : Nano-Structures and Nano-Objects. 2, p. 35-44 10 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)