Media type: E-Article Title: Facile and Efficient Negative Permittivity Realization of Copper Microwire Polymer Metacomposites at X-Band Frequency Contributor: Ju, Licheng; He, Qifa; Qin, Faxiang; Peng, Huaxin; Fan, Runhua imprint: Springer Science and Business Media LLC, 2022 Published in: Journal of Electronic Materials Language: English DOI: 10.1007/s11664-022-09483-0 ISSN: 0361-5235; 1543-186X Keywords: Materials Chemistry ; Electrical and Electronic Engineering ; Condensed Matter Physics ; Electronic, Optical and Magnetic Materials Origination: Footnote: