Search Results - "Nakayama, Masatoshi"

Negative Group Delay Circuit for Feed-Forward Amplifier by Noto, H., Yamauchi, K., Nakayama, M., Isota, Y.

“…We present a design and an implementation of a negative group delay circuit, which consists of lumped parameter element. It is very small and simple circuit…”
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Mechanism Study of Gate Leakage Current for AlGaN/GaN High Electron Mobility Transistor Structure Under High Reverse Bias by Thin Surface Barrier Model and Technology Computer Aided Design Simulation by Hayashi, Kazuo, Yamaguchi, Yutaro, Oishi, Toshiyuki, Otsuka, Hiroshi, Yamanaka, Koji, Nakayama, Masatoshi, Miyamoto, Yasuyuki

“…Gate leakage current mechanism in GaN high electron mobility transistors (HEMTs) has been studied using a two-dimensional thin surface barrier (TSB) model to…”
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Piezoelectricity of Ferroelectret Porous Polyethylene Thin Film by Nakayama, Masatoshi, Uenaka, Yasuhiro, Kataoka, Shingo, Oda, Yusuke, Yamamoto, Ken, Tajitsu, Yoshiro

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Kinetic One-Dimensional Ising System on a Narrow Si(001)SB Terrace by Kawai, Hiroshi, Nakamura, Yoshimichi, Nakayama, Masatoshi

“…The time resolving dynamical Monte Carlo simulations(DMCS) on a narrow Si(001)SB terrace are performed with the parameters obtained from the first-principles…”
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One-dimensional character of the dimer structure of SB terrace on a Si(001) surface by NAKAMURA, Y, KAWAI, H, NAKAYAMA, M

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Influence of kinks on the structure of narrow SB terrace on Si(001) surface by NAKAMURA, Y, KAWAI, H, NAKAYAMA, M

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Theory and Design of Class-J Power Amplifiers With Dynamic Load Modulation by Andersson, C. M., Gustafsson, D., Yamanaka, K., Kuwata, E., Otsuka, H., Nakayama, M., Hirano, Y., Angelov, I., Fager, C., Rorsman, N.

“…A theory for class-J microwave amplifier operation as a function of drive level and fundamental load impedance is derived. Calculations show that, under…”
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Little influence of kinks on the formation of c(4 x 2) domains in a Si(001) surface at low temperature by TOCHIHARA, H, NAKAMURA, Y, KAWAI, H, NAKAYAMA, M, SATO, T, SUEYOSHI, T, AMAKUSA, T, IWATSUKI, M

“…The structure of a Si(001) surface with monatomic steps is investigated by means of scanning tunneling microscopy at 95, K and Monte Carlo simulations (MCS) at…”
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A C - Ku-Band RF Module Transmitter Including an RF Signal Generator for a Flexible Phased-Array System by Kawakami, Kenji, Nakamizo, Hideyuki, Tajima, Kenichi, Taniguchi, Eiji, Akiyama, Tomohiro, Hieda, Morishige, Sakai, Kiyohide, Hayashi, Ryoji, Nakayama, Masatoshi, Hirano, Yoshihito, Chiba, Isam

“…This paper presents a new concept of an active phased array antenna (APAA) system with RF modules, including an RF signal generator. The proposed APAA realizes…”
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Physical properties of diamondlike carbon films deposited in mixed atmospheres of C2H4–Ar, C2H4–H2, and C2H4–N2 by Nakayama, Masatoshi, Matsuba, Yasuhiro, Shimamura, Junichi, Yamamoto, Yasuyuki, Chihara, Hiroshi, Kato, Hideo, Maruyama, Kazunori, Kamata, Kiichiro

“…Diamondlike carbon films were deposited in a pure C2H4 atmosphere and in mixed atmospheres of C2H4–Ar, C2H4–H2, and C2H4–N2 by radio frequency plasma chemical…”
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Theory of Surface Waves Coupled to Surface Carriers by Nakayama, Masatoshi

“…A new type of surface mode of the electromagnetic wave is predicted in the case when charge carriers are located at the boundary of dielectric media. The…”
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A [Formula Omitted]-[Formula Omitted]-Band RF Module Transmitter Including an RF Signal Generator for a Flexible Phased-Array System by Kawakami, Kenji, Nakamizo, Hideyuki, Tajima, Kenichi, Taniguchi, Eiji, Akiyama, Tomohiro, Hieda, Morishige, Sakai, Kiyohide, Hayashi, Ryoji, Nakayama, Masatoshi, Hirano, Yoshihito, Chiba, Isam

“…This paper presents a new concept of an active phased array antenna (APAA) system with RF modules, including an RF signal generator. The proposed APAA realizes…”
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A C—K u-Band RF Module Transmitter Including an RF Signal Generator for a Flexible Phased-Array System: SPECIAL ISSUE ON PHASED-ARRAY TECHNOLOGY by KAWAKAMI, Kenji, NAKAMIZO, Hideyuki, CHIBA, Isam, TAJIMA, Kenichi, TANIGUCHI, Eiji, AKIYAMA, Tomohiro, HIEDA, Morishige, SAKAI, Kiyohide, HAYASHI, Ryoji, NAKAYAMA, Masatoshi, HIRANO, Yoshihito

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Influence of defects on the order-disorder phase transition of a Si(001) surface by Nakamura, Yoshimichi, Kawai, Hiroshi, Nakayama, Masatoshi

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An approach to the additional boundary condition by a model of exciton scattering by the surface by INOUE, S, NAKAYAMA, M

“…A new type of the additional boundary condition(ABC) based on a picture of the surface scattering of exciton is proposed and applied to the oblique incidence…”
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An X-band internally-matched GaN HEMT amplifier with compact quasi-lumped-element harmonic-terminating network by Uchida, Hiromitsu, Noto, Hifumi, Yamanaka, Koji, Nakayama, Masatoshi, Hirano, Yoshihito

“…A compact quasi-lumped-element resonator is proposed as a harmonic-terminating network for internally-matched amplifiers. It is a parallel connection of an…”
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Theory of Electromagnetic Response of Solid Surface by Nakayama, Masatoshi

“…Various phenomena related to the electromagnetic response of solid surface are expressed in terms of the surface admittance for S- and P-polarization in a way…”
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Theory on STM images of Si(001) surface near defects by Nakamura, Y, Kawai, H, Nakayama, M

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Photoelectron emission study of hydrogenated amorphous carbon films prepared by RF plasma chemical vapor deposition by NAKAYAMA, M, UEDA, K, SHIBAHARA, M, MARUYAMA, K, KAMATA, K

“…The ultraviolet (UV) threshold energy for photoelectron emission of the carbon films synthesized by the RF plasma chemical vapor deposition (CVD) method with…”
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Theory of Intrinsic Indirect Exchange Coupling in Semiconductors by Nakayama, Masatoshi

“…Indirect exchange coupling through filled valence band and empty conduction band is investigated on the basis of an extended Anderson Hamiltonian by the…”
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