Advanced Electronic Materials
14 June 2023
Novel Dielectric Nanogranular Materials with an Electrically Tunable Frequency Response
Yang Cao1,2, Nobukiyo Kobayashi2,3, Cheng Wang2, Saburo Takahashi4, Sadamichi Maekawa5,6 and Hiroshi Masumoto2
1 Hubei Key Lab of Ferro and Piezoelectric Materials and Devices, Ministry of Education Key Laboratory of Green Preparation and Application for Functional Materials, School of Materials Science and Engineering, Hubei University, Wuhan, 430062 P. R. China
2 Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, 980–8578 Japan
3 Research Institute for Electromagnetic Materials, Tomiya, 981-3341 Japan
4 WPI, Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577 Japan
5 RIKEN Center for Emergent Matter Science (CEMS), Wako, 351-0198 Japan
6 Kavli Institute for Theoretical Sciences (KITS), University of Chinese Academy of Sciences, Beijing, 100190 P. R. China
10.1002/aelm.202370027
Tunable frequency filters that can span a range of frequencies show promise in multi-band operation applications. In article number 2201218, Nobukiyo Kobayashi, Hiroshi Masumoto, and co-workers find that nanogranular materials, composed of nanoscale metallic granules within a host matrix, possess a controllable dielectric relaxation frequency by a DC electric field.
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