Highly Stable In-Plane Microwave Magnetism in Flexible Li0.35Zn0.3Fe2.35O4(111) Epitaxial Thin Films for Wearable Devices

Liu, Wenlong1; Ma, Rong1; Liu, Ming1; Wang, Hong1,2

2018-09-26

10.1021/acsami.8b09984

ACS Applied Materials & Interfaces   影响因子和分区

1944-8244

With the advances in artificial intelligence and communication technologies, flexible microwave magnetic materials have become essential for flexible microwave detectors, wearable microwave sensors, and flexible spintronics. Here, a highly stable in-plane (IP) ferromagnetic resonance (FMR) and a tunable out-of-plane (OOP) FMR character are demonstrated in the flexible microwave magnetic Li0.35Zn0.3Fe2.35O4 (LZFO) (1 1 1) epitaxial thin films under external mechanical bending. Both the IP FMR line width and resonance field (H-r) are basically unchanged when the sample was bent under an external tensile or compressive bending strain and deformation. However, the OOP FMR spectra (including H-r and absorption peak) could be tuned by mechanical bending, i.e., the LZFO sample possesses two OOP FMR absorption peaks at an external bending curvature. Meanwhile, excellent mechanical antifatigue and mechanical retention characteristics have also been obtained in the LZFO sample. The highly stable IP and the tunable OOP FMR spectra in the same LZFO sample with excellent mechanical antifatigue character have a promising prospect in microwave magnetic devices and flexible spintronics.

epitaxial thin films lithium zinc ferrites microwave magnetism flexible sensors wearable devices

SCI ; EI

英语

通讯

National 973 projects of China[2015CB654603] ; National 973 projects of China[2015CB654903]

Science & Technology - Other Topics ; Materials Science

Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:000446142100056

AMER CHEMICAL SOC

20183905857873

Bending (deformation) ; Epitaxial growth ; Ferromagnetic resonance ; Iron compounds ; Lithium compounds ; Magnetic materials ; Magnetism ; Microwaves ; Thin film circuits ; Thin films ; Wearable sensors ; Zinc compounds

Magnetism: Basic Concepts and Phenomena:701.2 ; Magnetic Materials:708.4 ; Electromagnetic Waves:711 ; Semiconductor Devices and Integrated Circuits:714.2 ; Control Instrumentation:732.2 ; Chemical Operations:802.3

Web of Science

1.Xi An Jiao Tong Univ, Sch Elect & Informat Engn, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
2.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China

Liu, Wenlong,Ma, Rong,Liu, Ming,et al. Highly Stable In-Plane Microwave Magnetism in Flexible Li0.35Zn0.3Fe2.35O4(111) Epitaxial Thin Films for Wearable Devices[J]. ACS Applied Materials & Interfaces,2018,10(38):32331-32336.

Liu, Wenlong,Ma, Rong,Liu, Ming,&Wang, Hong.(2018).Highly Stable In-Plane Microwave Magnetism in Flexible Li0.35Zn0.3Fe2.35O4(111) Epitaxial Thin Films for Wearable Devices.ACS Applied Materials & Interfaces,10(38),32331-32336.

Liu, Wenlong,et al."Highly Stable In-Plane Microwave Magnetism in Flexible Li0.35Zn0.3Fe2.35O4(111) Epitaxial Thin Films for Wearable Devices".ACS Applied Materials & Interfaces 10.38(2018):32331-32336.