Energy conversion and storage via photoinduced polarization change in non-ferroelectric molecular [CoGa] crystals

Autor: Pritam Sadhukhan, Shu-Qi Wu, Shinji Kanegawa, Sheng-Qun Su, Xiaopeng Zhang, Takumi Nakanishi, Jeremy Ian Long, Kaige Gao, Rintaro Shimada, Hajime Okajima, Akira Sakamoto, Joy G. Chiappella, Myron S. Huzan, Thomas Kroll, Dimosthenis Sokaras, Michael L. Baker, Osamu Sato

Publikováno v: Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)

Abstract To alleviate the energy and environmental crisis, in the last decades, energy harvesting by utilizing optical control has emerged as a promising solution. Here we report a polar crystal that exhibits photoenergy conversion and energy storage

Externí odkaz: https://doaj.org/article/2699abc379c04fd78c72d62ef7b91c49

Giant anisotropic thermal expansion actuated by thermodynamically assisted reorientation of imidazoliums in a single crystal

Autor: Zi-Shuo Yao, Hanxi Guan, Yoshihito Shiota, Chun-Ting He, Xiao-Lei Wang, Shu-Qi Wu, Xiaoyan Zheng, Sheng-Qun Su, Kazunari Yoshizawa, Xueqian Kong, Osamu Sato, Jun Tao

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)

Designing materials with large thermal expansion is highly desirable to fabricate microscale devices. The authors report unusually large anisotropic negative and positive thermal expansion in a simple crystalline material, through temperature-driven

Externí odkaz: https://doaj.org/article/5fab38f7eaf5474b9d499adc1b2b5366

Photoinduced Persistent Polarization Change in a Spin Transition Crystal

Autor: Sheng‐Qun Su, Shu‐Qi Wu, Yu‐Bo Huang, Wen‐Huang Xu, Kai‐Ge Gao, Atsushi Okazawa, Hajime Okajima, Akira Sakamoto, Shinji Kanegawa, Osamu Sato

Publikováno v: Angewandte Chemie. 134

Using light as a local heat source to induce a temporary pyroelectric current is widely recognized as an effective way to control the polarization of crystalline materials. In contrast, harnessing light directly to modulate the polarization of a crys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba29ec7e1379a6830f715782fc44f584
https://doi.org/10.1002/ange.202208771

Giant anisotropic thermal expansion actuated by thermodynamically assisted reorientation of imidazoliums in a single crystal

Autor: Osamu Sato, Xiaoyan Zheng, Jun Tao, Sheng Qun Su, Zi-Shuo Yao, Hanxi Guan, Xiao Lei Wang, Shu Qi Wu, Xueqian Kong, Yoshihito Shiota, Kazunari Yoshizawa, Chun-Ting He

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Nature Communications

Materials demonstrating unusual large positive and negative thermal expansion are fascinating for their potential applications as high-precision microscale actuators and thermal expansion compensators for normal solids. However, manipulating molecula

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c39db9cea150ea0fc33ca2d1baf459e
https://doaj.org/article/5fab38f7eaf5474b9d499adc1b2b5366

Quenching and Restoration of Orbital Angular Momentum through a Dynamic Bond in a Cobalt(II) Complex

Autor: Shinji Kanegawa, Shu Qi Wu, Yuji Miyazaki, Motohiro Nakano, Peter Bencok, Kazunari Yoshizawa, Sheng Qun Su, Yoshihito Shiota, Osamu Sato, Nobuaki Azuma, Soonchul Kang, Michael L. Baker

Publikováno v: Su, S, Wu, S, Baker, M L, Bencok, P, Azuma, N, Miyazaki, Y, Nakano, M, Kang, S, Shiota, Y, Yoshizawa, K, Kanegawa, S & Sato, O 2020, ' Quenching and Restoration of Orbital Angular Momentum Through a Dynamic Bond in a Cobalt(II) Complex ', Journal of the American Chemical Society . https://doi.org/10.1021/jacs.0c02257

Orbital angular momentum plays a vital role in various applications, especially magnetic and spintronic properties. Therefore, controlling orbital angular momentum is of paramount importance to both fundamental science and new technological applicati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c568db135f550e69dc953fa864241618
https://pubmed.ncbi.nlm.nih.gov/32508091