Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Masataka Hase"'
Autor:
Masataka Hase, Daiki Tanisawa, Kaito Kohashi, Raichi Kamemura, Shugo Miyake, Masayuki Takashiri
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract The phonon-drag effect is useful for improving the thermoelectric performance, especially the Seebeck coefficient. Therefore, the phonon and electron transport properties of Si single crystals at different carrier densities were investigated
Externí odkaz:
https://doaj.org/article/1573d938174647c6ac0c885d542ce215
Autor:
Masataka Hase, Daiki Tanisawa, Oga Norimasa, Raichi Kamemura, Shugo Miyake, Masayuki Takashiri
Publikováno v:
Results in Physics, Vol 47, Iss , Pp 106356- (2023)
Investigation of the impurity concentration dependence of phonon and electronic transports is essential for semiconductor devices requiring thermal management. However, the experimental study of phonon transport properties is limited compared to theo
Externí odkaz:
https://doaj.org/article/a61f6089a4c34aac867536aea076f2db
Autor:
Oga Norimasa, Masataka Hase, Ryotaro Mori, Mai Hayamizu, Hiroshi Murotani, Koji Miyazaki, Masayuki Takashiri
Publikováno v:
AIP Advances, Vol 11, Iss 7, Pp 075216-075216-6 (2021)
The analyses of thermal transport properties can help improve the performance of high-tech semiconducting devices, such as thermoelectric generators and electronic devices. However, methods to measure thermal transport properties are limited, especia
Externí odkaz:
https://doaj.org/article/d6c0b113da424e7e862d9e34d2345d8f
Autor:
Masataka HASE, Masayuki TAKASHIRI
Publikováno v:
Journal of Advanced Science. 35
Publikováno v:
Applied Physics Express. 16:015004
The phonon transport properties of Bi2Te3 thin films with extremely small grain size (3.4 nm) is investigated in this study using radio-frequency magnetron sputtering. The films exhibited an average group velocity of 2083 m s−1 and lattice thermal
Autor:
Hiroshi Murotani, Shugo Miyake, Masataka Hase, Sho Nagata, Tsuyoshi Nishi, Masayuki Takashiri, Mai Hayamizu, Oga Norimasa, Saburo Tanaka
Publikováno v:
Applied Physics Express. 14:126502
The influences of crystal orientation on phonon transport properties were analyzed by nanoindentation using single-crystal Si wafers. The elastic moduli and group velocities of [100]-oriented Si were lower than those of [111]-oriented Si. The phonon
Autor:
Mai Hayamizu, Masayuki Takashiri, Oga Norimasa, Masataka Hase, Ryotaro Mori, Koji Miyazaki, Hiroshi Murotani
Publikováno v:
AIP Advances, Vol 11, Iss 7, Pp 075216-075216-6 (2021)
The analyses of thermal transport properties can help improve the performance of high-tech semiconducting devices, such as thermoelectric generators and electronic devices. However, methods to measure thermal transport properties are limited, especia
Publikováno v:
AIP Advances, Vol 12, Iss 9, Pp 095110-095110-6 (2022)
Multi-layer graphene was formed by repeated transfer onto a silicon oxide substrate, and changes in its doping characteristics were observed. The structure of multi-layer graphene was investigated in comparison with pyrolytic graphite with a turbostr
Externí odkaz:
https://doaj.org/article/87d046aacecf4b81abe0efb8ee22323d
Publikováno v:
AIP Advances, Vol 10, Iss 8, Pp 085309-085309-5 (2020)
This study examines the relationship between the electrical properties and Raman spectra of field effect transistors (FETs) produced using chemical vapor deposited (CVD) graphene transferred onto hexagonal boron nitride (h-BN) structures. Carrier mob
Externí odkaz:
https://doaj.org/article/907e0299d985469485c7fc56a7d7adeb
Autor:
Tomo Suzuki, Masahiko Yazawa, Masataka Hasegawa, Daisuke Ichikawa, Naohiko Imai, Hideo Sasaki, Tatsuya Chikaraishi, Junki Koike, Yugo Shibagaki
Publikováno v:
Journal of Nephropathology, Vol 7, Iss 4, Pp 281-285 (2018)
Background: Obesity is an important problem associated with worsening cardiovascular disease and the progression of proteinuria in kidney transplant recipients. We describe a case of de novo focal segmental glomerulosclerosis (FSGS) associated with p
Externí odkaz:
https://doaj.org/article/e657b76b9b064844b3688c51464d19f1