Rong Wei   Haruki Kawaguchi   Kaito Sato   Sayaka Kai   Keisaku Yamane   Ryuji Morita   Ken-ichi Yuyama   Satoyuki Kawano   Katsuhiko Miyamoto   Nobuyuki Aoki   Takashige Omatsu   
APL Photonics 9(3) 2024年3月
We demonstrate high-definition, direct-printing of micron-scale metallic dots, comprised of close-packed gold nanoparticles, by utilizing the optical vortex laser-induced forward transfer technique. We observe that the spin angular momentum of the...
Sheng-Kuei Chiu   Ming-Chi Li   Ji-Wei Ci   Yuan-Chih Hung   Dung-Sheng Tsai   Chien-Han Chen   Li-Hung Lin   Kenji Watanabe   Takashi Taniguchi   Nobuyuki Aoki   Ya-Ping Hsieh   Chiashain Chuang   
Nanotechnology 34(25) 255703-255703 2023年4月
Abstract
Two-dimensional (2D) materials and their heterostructures exhibit intriguing optoelectronic properties; thus, they are good platforms for exploring fundamental research and further facilitating real device applications. The key is to pr...
Jubin Nathawat   Ishiaka Mansaray   Kohei Sakanashi   Naoto Wada   Michael D. Randle   Shenchu Yin   Keke He   Nargess Arabchigavkani   Ripudaman Dixit   Bilal Barut   Miao Zhao   Harihara Ramamoorthy   Ratchanok Somphonsane   Gil-Ho Kim   Kenji Watanabe   Takashi Taniguchi   Nobuyuki Aoki   Jong E. Han   Jonathan P. Bird   
Nature Communications 14(1) 2023年3月
Abstract
Stacking of graphene with hexagonal boron nitride (h-BN) can dramatically modify its bands from their usual linear form, opening a series of narrow minigaps that are separated by wider minibands. While the resulting spectrum offers stron...
Tianshun Xie   Kazuki Fukuda   Mengnan Ke   Peter Krüger   Keiji Ueno   Gil-Ho Kim   Nobuyuki Aoki   
Japanese Journal of Applied Physics 62(SC) SC1010-SC1010 2022年12月
Abstract
The doping technique is vital for applying two-dimensional (2D) materials such as transition metal dichalcogenide (TMDC)-based field effect transistors (FETs), which can control the channel polarity and improve the performance. However,...
ANDRESEN A   PRASAD C   LIN L‐H   AOKI N   NAKAO K   BIRD J P   FERRY D K   OCHIAI Y   SUGANO T