Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Shunya Naitoh"'
Publikováno v:
Journal of Nuclear Materials. 442:533-537
A tritium permeation barrier is a promising solution for the problems of tritium loss and radiological safety in fusion blanket systems. In recent years, erbium oxide coatings have shown remarkable permeation reduction factors. One of the remaining i
Autor:
Yoshitaka Okada, Shunya Naitoh
Publikováno v:
Journal of Solar Energy Engineering. 137
An intermediate band solar cell (IBSC) whose equivalent circuit is similar to a multijunction (MJ) solar cell but with an additional parallel diode connection is shown to be more robust to spectral variation than a series-connected MJ solar cell. We
Publikováno v:
2014 IEEE 40th Photovoltaic Specialist Conference (PVSC).
Conductive atomic force microscopy has been used to study both the topography and electronic properties of 30nm scale ErAs islands grown by molecular beam epitaxy (MBE) on n-type GaAs substrate. A calibration method was realized to determine the grow
Publikováno v:
Japanese Journal of Applied Physics. 55:04ES11
In this study, the photoirradiation effect on the impedance of quantum dot solar cells (QDSCs) is evaluated. QDSCs under 1070 nm LED irradiation show current generation owing to the combination of photoexcitation and thermal escape via the QD state a
Molecular beam epitaxial growth of intermediate-band materials based on GaAs:N δ-doped superlattices
Autor:
Yasushi Shoji, Yoshitaka Okada, Tomoya Suzuki, Hiroyuki Yaguchi, Kazuki Osada, Shunya Naitoh, Shuhei Yagi, Yasuto Hijikata
Publikováno v:
Japanese Journal of Applied Physics. 54:08KA07
We fabricated GaAs:N δ-doped superlattices (SLs) by molecular beam epitaxy and investigated their potential as an intermediate-band photoabsorber in high-efficiency solar cells. The N area concentration in a N δ-doped layer was well controlled by a
Autor:
Tomoya Suzuki, Yoshitaka Okada, Kazuki Osada, Hiroyuki Yaguchi, Shunya Naitoh, Yasushi Shoji, Yasuto Hijikata, Shuhei Yagi
Publikováno v:
Japanese Journal of Applied Physics. 54:08KA04
GaAs:N δ-doped superlattices (SLs) consisting of alternating layers of undoped and N δ-doped GaAs were fabricated by molecular beam epitaxy (MBE) as possible candidates for the light-absorbing material of intermediate-band solar cells (IBSCs). Sinc
Autor:
Shunya Naitoh, Hideyuki Sugibayashi, Toshihiko Yamauchi, Yoshinori Kanno, Toshihito Hiruta, Toshiyuki Tachibana, Seiji Kobayashi
Publikováno v:
Japanese Journal of Applied Physics. 51:01AA02
The transitions between capacitively coupled plasma (CCP) and inductively coupled plasma (ICP) were investigated using chemical vapor deposition (CVD) plasma with the internal RF multiturn antenna. The typical electron densities of both 1015/m3 in CC
Autor:
Shunya Naitoh, Yoshitaka Okada
Publikováno v:
Journal of Solar Energy Engineering; Jun2015, Vol. 137 Issue 3, p1-4, 4p
Publikováno v:
Japanese Journal of Applied Physics; Apr2016, Vol. 55 Issue 4s, p1-1, 1p
Autor:
Tomoya Suzuki, Kazuki Osada, Shuhei Yagi, Shunya Naitoh, Yasushi Shoji, Yasuto Hijikata, Yoshitaka Okada, Hiroyuki Yaguchi
Publikováno v:
Japanese Journal of Applied Physics; Aug2015, Vol. 54 Issue 8S1, p1-1, 1p