Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Kyoko Hyomi"'
Autor:
Irina Buyanova, Akihiro Murayama, T. Furuta, Daniel Dagnelund, Kyoko Hyomi, Weimin Chen, M. Sakuma, S. Oshino, Izuru Souma
Publikováno v:
Journal of Luminescence. 129:1927-1930
We study on the transfer dynamics of spin-polarized excitons into self-assembled quantum dots (QDs) of CdSe coupled with a diluted magnetic semiconductor (DMS) layer of ZnMnSe through a ZnSe barrier layer. A variation in the degree of circular polari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3492c6679133aefbdb0fb9d9bc8ef716
https://doi.org/10.1016/j.jlumin.2009.03.036
https://doi.org/10.1016/j.jlumin.2009.03.036
Autor:
Irina Buyanova, Kyoko Hyomi, Akihiro Murayama, Izuru Souma, Yasuo Oka, Daniel Dagnelund, T. Furuta, Weimin Chen
Publikováno v:
Superlattices and Microstructures. 43:615-619
Spin injection processes from a Zn0.80Mn0.20Se diluted magnetic semiconductor (DMS) to adjacent self-assembled CdSe quantum dots (QDs) were investigated by cw and time-resolved magneto-optical spectroscopy in combination with tunable laser excitation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dda33f39a5328552f2d355777c9dd5be
https://doi.org/10.1016/j.spmi.2007.07.002
https://doi.org/10.1016/j.spmi.2007.07.002
Autor:
Izuru Souma, T. Furuta, Kyoko Hyomi, Akihiro Murayama, Weimin Chen, Daniel Dagnelund, Yasuo Oka, Irina Buyanova
Publikováno v:
Materials Science and Engineering: B. 147:262-266
Magneto-optical spectroscopy in combination with tunable laser spectroscopy is employed to study the effect of sample design on optical spin-injection efficiency from a Zn(Cd)MnSe diluted magnetic semiconductor (DMS) into non-magnetic CdSe quantum do
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab988cc3f7b56743a26ba9ff4ccfd87b
https://doi.org/10.1016/j.mseb.2007.08.018
https://doi.org/10.1016/j.mseb.2007.08.018
Autor:
Kyoko Hyomi, Akihiro Murayama, H. Xiong, Shi Huang, Zhanghai Chen, Izuru Souma, S.C. Shen, Yasuo Oka, Lihui Bai
Publikováno v:
International Journal of Modern Physics B. 21:1549-1554
We report on the magneto-optical study of spin polarized energetic fine structures for exciton complex in single CdSe quantum dot (QD) by using micro- photoluminescence (micro-PL) spectroscopy. The zero-field splitting of exciton luminescence peak ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18cdc44167cc3fb68ffb13c90322ed8b
https://doi.org/10.1142/s0217979207043178
https://doi.org/10.1142/s0217979207043178
Autor:
Akihiro Murayama, T. Asahina, K. Nishibayashi, Izuru Souma, Kyoko Hyomi, T. Koyama, Yasuo Oka
Publikováno v:
Journal of Luminescence. :800-803
Spin injection is studied in self-assembled quantum dots (QDs) of CdSe coupled with a diluted magnetic semiconductor quantum well (DMS-QW) of Zn 1− x − y Cd x Mn y Se, by means of time-resolved circularly polarized photoluminescence (PL). Exciton
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11a2b783203c3e452845c8eefe449fb1
https://doi.org/10.1016/j.jlumin.2006.01.292
https://doi.org/10.1016/j.jlumin.2006.01.292
Publikováno v:
Journal of Luminescence. :834-837
Micro-photoluminescence (PL) has been studied in magnetic fields for single quantum nanostructures, such as, a quantum wire (QWR) and dot (QD) of Zn 1-x-y Cd x Mn y Se diluted magnetic semiconductor (DMS), where the DMS nanostructures were fabricated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff537f3f42e1ae8e05341b9e6d931bfe
https://doi.org/10.1016/j.jlumin.2006.01.302
https://doi.org/10.1016/j.jlumin.2006.01.302
Publikováno v:
physica status solidi c. 3:4287-4290
We study the spin dynamics in self-assembled quantum dots (QDs) coupled with a diluted magnetic semiconductor (DMS) layer, where spin-polarized excitons can be injected from the DMS into QDs. Excitonic photoluminescence in the coupled QDs shows an in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bad5e3d3ecb58478e671d04c897914e5
https://doi.org/10.1002/pssc.200672816
https://doi.org/10.1002/pssc.200672816
Autor:
Zhanghai Chen, Q.J. Ren, L.X. Sun, H. Xiong, Kyoko Hyomi, Yasuo Oka, S.C. Shen, F.Z. Wang, Lihui Bai, Izuru Souma, Yu Zhang, Akihiro Murayama, Shi Huang
Publikováno v:
Journal of Luminescence. :193-197
We study the emission from exciton states in a single CdSe/ZnSe quantum dot molecule (QDM) with different separation distances between the upper and the lower dot by applying micro-photoluminescence spectroscopy at low temperature. The observed split
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63007ea60dd6c5912d0a16b5682b6344
https://doi.org/10.1016/j.jlumin.2005.12.062
https://doi.org/10.1016/j.jlumin.2005.12.062
Publikováno v:
Japanese Journal of Applied Physics. 45:5311-5316
We have fabricated nanostructures of diluted magnetic semiconductors (DMSs) integrated with high-purity glass thin films and have studied the giant magneto-optical properties, for the purpose of applying in microscopic magneto-optical devices. Zn1-x-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f3feb9e9efb3edb4e26d0705e74f2f8
https://doi.org/10.1143/jjap.45.5311
https://doi.org/10.1143/jjap.45.5311
Autor:
Kyoko Hyomi, Akihiro Murayama, Yasuo Oka, K. Nishibayashi, Izuru Souma, K. Kayanuma, T. Asahina
Publikováno v:
physica status solidi c. 3:1114-1117
Electron-spin injection has been studied from a diluted magnetic semiconductor quantum well (DMS-QW) of Zn1–x–yCdxMnySe into self-assembled quantum dots (QDs) of CdSe through a tunneling barrier of ZnSe. The spin injection is experimentally evide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c4bdf8f134be55e363aa8bde03e91da
https://doi.org/10.1002/pssc.200564691
https://doi.org/10.1002/pssc.200564691