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Operando observation of analog resistance change in a buried metal/oxide interface by a laser-excited photoemission electron microscope

Autor: Y. Okuda, J. Kawakita, T. Taniuchi, H. Shima, A. Shimizu, Y. Naitoh, K. Kinoshita, H. Akinaga, S. Shin

Publikováno v: Japanese Journal of Applied Physics. 61:SM1001

This study demonstrated our successful visualization of the non-volatile analog resistance changes in a metal/oxide/metal sandwiched structure. The resistance change has been intensively studied and practically utilized in the IoT devices, such as re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84daa2dacdcbe4db7d6fe9859f865c90
https://doi.org/10.35848/1347-4065/ac5721

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P696 The usefulness to treatment enhancement for the patients of ulcerative colitis with clinical remission diagnosed as Mayo endoscopic subscore 1

Autor: Tomohisa Takagi, Shun Takayama, M Kubota Kajiwara, Yuka Azuma, Ritsu Yasuda, Y Naitoh, Kazuhiko Uchiyama

Publikováno v: Journal of Crohn's and Colitis. 14:S564-S564

Background In many clinical trials of ulcerative colitis (UC), Mayo endoscopic subscore (MES) has been used to diagnose mucosal healing to evaluate the effectiveness of various treatment. Although both MES 0 and MES 1 were defined as the endoscopic m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::13807373045723caa83e4f116c6c2799
https://doi.org/10.1093/ecco-jcc/jjz203.824

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STM observation of resistance switching of nanogap structure

Autor: Y. Naitoh

Publikováno v: 2016 IEEE 16th International Conference on Nanotechnology (IEEE-NANO).

Resistance switching of metal nanogap structures were observed using a scanning tunneling microscope (STM) equipment. Clear negative differential resistances in current-voltage curves and repeated high and low resistance changes were also observed in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c67e4c6bdb9dda051db0e3bb6812212d
https://doi.org/10.1109/nano.2016.7751530

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Ultrafast response of plasmalike reflectivity edge in(TMTTF)2AsF6driven by a 7-fs 1.5-cycle strong-light field

Autor: Kaoru Yamamoto, S. Iwai, Takahiro Ishikawa, Y. Naitoh, Kenji Yonemitsu, Martin Dressel, Y. Kawakami, H. Itoh, Takahiko Sasaki, Yasuhiro Tanaka, Sumio Ishihara, Yuto Sagae

Publikováno v: Physical Review B. 93

The strong light-field effect of (TMTTF)2AsF6 was investigated utilizing 1.5-cycle, 7-fs infrared pulses. The ultarfast (20 fs) and large (40%) response of the plasma-like reflectivity edge (0.7 eV) was analyzed by the changes in omega_p=sqrt(ne2/(ep

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02feb943b037b9f8a3cc323973444711
https://doi.org/10.1103/physrevb.93.165126

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Optical freezing of charge motion in organic metal

Autor: Hideo Kishida, Y. Naitoh, Sumio Ishihara, H. Itoh, Shinichiro Iwai, Kenji Yonemitsu, Y. Kawakami, Kaoru Yamamoto

Publikováno v: International Conference on Ultrafast Phenomena.

Dynamical localization that is, reduction of the intersite electronic transfer integral, was realized by strong electric filed (10 MV/cm) of 1.5-cycle (7 fs) near infrared light in layered organic conductor.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1513140b316834beb8b0f40f0884905d
https://doi.org/10.1364/up.2016.utu4a.24

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Light-field induced reduction of ^'plasma^' frequency in organic conductor

Autor: H. Itoh, Y. Naitoh, Sumio Ishihara, Y. Kawakami, Kenji Yonemitsu, Shinichiro Iwai, Kazuhiko Yamamoto

Publikováno v: International Conference on Ultrafast Phenomena.

Strong (> 10 MV/cm) light-field effect of (TMTTF)2AsF6 was investigated utilizing 7-fs infrared pulses. The ultrafast (~20 fs) and large (~40%) response of the plasma-like reflectivity edge (~0.7 eV) was discussed in terms of dynamical localization.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0cdb361ccdaa7379189a50d41d56e27f
https://doi.org/10.1364/up.2016.utu4a.26

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