Affiliation of Author(s):[1]Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Device, Chengdu 610054, Peoples R China;[2]Chengdu Univ Informat Technol, Informat Mat & Device Applicat, Key Lab Sichuan Prov Univ, Chengdu 610225, Peoples R China
Journal:ACS APPLIED MATERIALS & INTERFACES
Key Words:Zn2+-substituted; ULTCC; microwavedielectric properties; terahertz transmission properties; wavefront modulation
Abstract:High efficiency, high frequency, low error, and low latency of wavefront modulation are challenges that must be addressed simultaneously in 5G/6G communication systems. In order to cope with these challenges, novel Li2Mg(2-x)Zn(x)Mo(3)O(12) (x = 0.00-0.08) ceramics are prepared by a solid-state reaction method. The microwave dielectric properties (er = 8.7, Q x f = 61,312 GHz, Tf = -59.1 ppm/degrees C) and terahertz transmission properties (er1 = 8.3, tan & aring;1 = 0.00908, Tamplitude = 0.673, Delta phase = 27.65 degrees) of this ceramic (x = 0.06, 625 degrees C) are effectively enhanced by Zn2+. The chemical compatibility between this ceramic and the Al electrode is demonstrated. The reflection amplitude of this ceramic combined with the Al electrode at 0.5 THz is revealed, and the error between simulation and experiment is only 0.06. A terahertz reflective device for wavefront modulation is designed and demonstrated by using this ceramic and Al electrode. This device can deflect the wavefront of cross-polarized waves and has a certain isolation effect on co-polarized waves. This work accelerates the development of dielectric ceramics and ultralow temperature cofired ceramics technology in the terahertz field.
Document Type:Article
Volume:15
Issue:51
Page Number:59600-59609
ISSN No.:1944-8244
Translation or Not:no