RADIO-FREQUENCY

作品数：171被引量：136H指数：5
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Stabilizing Schottky junction in conjugated polymer diodes enables long-term reliable radio-frequency energy harvesting on plastic
《npj Flexible Electronics》2024年第1期487-497,共11页Yongwoo Lee Boseok Kang Sungjune Jung Jimin Kwon 
supported by the National R&D Programthrough the National Research Foundation of Korea(NRF),funded by the Ministry of Science and ICT(RS-2023-00281195,RS-2023-00258309,RS-2024-00355384);the National Research Foundation(NRF),Korea,under project BK21FOUR;the Korea Innovation Foundation(INNOPOLIS)grant(2020-DD-UP-0278)funded by the Korea government(MSIT).
Due to their inherent flexibility,solution-processable conjugated polymers are increasingly being considered for the cost-effective production of thin-film semiconductor devices used in Internet of Everything(IoE)appl...
关键词：DIODES SCHOTTKY polymer 
Metamaterial-enhanced magnetic resonance imaging:a review
《Advanced Photonics Nexus》2024年第5期1-20,共20页Zhiwei Guo Yang Xu Shengyu Hu Yuqian Wang Yong Sun Hong Chen 
supported by the National Key R&D Program of China(Grant Nos.2021YFA1400602 and 2023YFA1407600);the National Natural Science Foundation of China(Grant Nos.91850206,12374294,and 12004284);the Chenguang Program of Shanghai(Grant No.21CGA22).
Magnetic resonance imaging(MRI),as a noninvasive and powerful method in modern diagnostics,has been advancing in leaps and bounds.Conventional methods to improve MRI based on increasing the static magnetic field stren...
关键词：METAMATERIALS magnetic resonance imaging radio-frequency magnetic field effective parameters dispersion relations resonant modes 
Abnormal transition of the electron energy distribution with excitation of the second harmonic in low-pressure radio-frequency capacitively coupled plasmas
《Plasma Science and Technology》2024年第8期58-63,共6页余乐怡 陆文琪 张丽娜 
The self-excited second harmonic in radio-frequency capacitively coupled plasma was significantly enhanced by adjusting the external variable capacitor.At a lower pressure of 3 Pa,the excitation of the second harmonic...
关键词：RADIO-FREQUENCY capacitively coupled plasma HARMONICS the electron energy probability function 
Magnetic field imaging with radio-frequency optically pumped magnetometers [Invited]被引量：1
《Chinese Optics Letters》2024年第6期38-45,共8页Xiyu Liu Junlong Han Wei Xiao Teng Wu Xiang Peng Hong Guo 
supported by the National Natural Science Foundation of China (Nos.62375002,62071012,61571018,61531003,and 91436210);the National Science Fund for Distinguished Young Scholars of China (No.61225003);the National Hi-Tech Research and Development (863) Program。
High-sensitivity radio-frequency optically pumped magnetometers (RF-OPMs), working without cryogenic condition, play a critical role in magnetic field imaging(MFI) at low frequencies(e.g., 100 Hz to 1 MHz). We introdu...
关键词：magnetic field imaging radio frequency optically pumped magnetometer 
Ultra-wide dual-band Rydberg atomic receiver based on space division multiplexing radio-frequency chip modules
《Chip》2024年第2期53-61,共9页Li-Hua Zhang Bang Liu Zong-Kai Liu Zheng-Yuan Zhang Shi-Yao Shao Qi-Feng Wang Yu Ma Tian-Yu Han Guang-Can Guo Dong-Sheng Ding Bao-Sen Shi 
supported by the National Key R&D Program of China(2022YFA1404002);the National Natural Science Foundation of China(Grant Nos.U20A20218,61525504,61722510,61435011);the Major Science and Technology Projects in Anhui Province(Grant No.202203a13010001);the National Natural Science Foundation of China(Grant No.11934013).
Detecting microwave signals over a wide frequency range is endowed with numerous advantages as it enables simultaneous transmission of a large amount of information and access to more spectrum resources.This capabilit...
关键词：DUAL-BAND RYDBERG Radio-frequency chip Atomic receiver Space-division multiplexing 
Recess-free enhancement-mode AlGaN/GaN RF HEMTs on Si substrate
《Journal of Semiconductors》2024年第6期81-86,共6页Tiantian Luan Sen Huang Guanjun Jing Jie Fan Haibo Yin Xinguo Gao Sheng Zhang Ke Wei Yankui Li Qimeng Jiang Xinhua Wang Bin Hou Ling Yang Xiaohua Ma Xinyu Liu 
supported in part by the National Key Research and Development Program of China under Grant 2022YFB3604400;in part by the Youth Innovation Promotion Association of Chinese Academy Sciences(CAS);in part by CAS-Croucher Funding Scheme under Grant CAS22801;in part by National Natural Science Foundation of China under Grant 62074161,Grant 62004213,and Grant U20A20208;in part by the Beijing Municipal Science and Technology Commission project under Grant Z201100008420009 and Grant Z211100007921018;in part by the University of CAS;in part by IMECAS-HKUST-Joint Laboratory of Microelectronics.
Enhancement-mode(E-mode)GaN-on-Si radio-frequency(RF)high-electron-mobility transistors(HEMTs)were fabri-cated on an ultrathin-barrier(UTB)AlGaN(<6 nm)/GaN heterostructure featuring a naturally depleted 2-D electron g...
关键词：AlGaN/GaN heterostructure ultrathin-barrier ENHANCEMENT-MODE RADIO-FREQUENCY power added efficiency silicon substrate 
Investigation of MXene nanosheets based radio-frequency electronics by skin depth effect被引量：1
《Nano Research》2024年第4期3061-3067,共7页Rongguo Song Yunfa Si Wei Qian Haoran Zu Bilei Zhou Qinglei Du Daping He Yongliang Wang 
supported by the National Natural Science Foundation of China(No.51672204).
Various new conductive materials with exceptional properties are utilized for the preparation of electronic devices.Achieving ultra-high conductivity is crucial to attain excellent electrical performance.However,there...
关键词：MXene film radiao-frequency electronics ANTENNA transmission line skin depth 
Plasma density enhancement in radio-frequency hollow electrode discharge
《Plasma Science and Technology》2024年第4期44-51,共8页贺柳良 何锋 欧阳吉庭 
The plasma density enhancement outside hollow electrodes in capacitively coupled radio-frequency(RF) discharges is investigated by a two-dimensional(2D) particle-in-cell/Monte-Carlo collision(PIC/MCC) model. Results s...
关键词：RF capacitively coupled plasma sources plasma density enhancement hollow cathodeeffect hollow electrode 
Analog spatiotemporal feature extraction for cognitive radio-frequency sensing with integrated photonics被引量：2
《Light(Science & Applications)》2024年第3期478-487,共10页Shaofu Xu Binshuo Liu Sicheng Yi Jing Wang Weiwen Zou 
supported in part by the National Natural Science Foundation of China(Grant No.T2225023,62205203).
Analog feature extraction(AFE)is an appealing strategy for low-latency and efficient cognitive sensing systems since key features are much sparser than the Nyquist-sampled data.However,applying AFE to broadband radio-...
关键词：scheme driving smart 
A cryogenic radio-frequency ion trap for a 40Ca^(+) optical clock
《Chinese Physics B》2023年第11期232-239,共8页曾孟彦 黄垚 张宝林 马子晓 郝艳梅 胡如明 张华青 管桦 高克林 
supported by the National Key R&D Program of China (Grant Nos. 2022YFB3904001 and 2018YFA0307500);the National Natural Science Foundation of China (Grant Nos. 12121004 and 12022414);Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB21030100);CAS Project for Young Scientists in Basic Research (Grant No. YSBR055);CAS Youth Innovation Promotion Association (Grant Nos. Y201963 and Y2022099);the Natural Science Foundation of Hubei Province (Grant No. 2022CFA013);the Interdisciplinary Cultivation Project of the Innovation Academy for Precision Measurement of Science and Technology (Grant No. S21S2201)。
A liquid-nitrogen cryogenic40Ca^(+)optical clock is presented that is designed to greatly reduce the blackbody radiation(BBR) shift. The ion trap, the electrodes and the in-vacuum BBR shield are installed under the li...
关键词：cryogenics ion trapping 40Ca^(+)optical clock 
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