Linearly shifting ferromagnetic resonance response of La0.7Sr0.3MnO3 thin film for body temperature sensors

Weixiao Hou; Yufei Yao; Yaojin Li; Bin Peng; Keqing Shi; Ziyao Zhou; Jingye Pan; Ming Liu; Jifan Hu

doi:10.1007/s11706-022-0589-5

Linearly shifting ferromagnetic resonance response of La_0.7Sr_0.3MnO₃ thin film for body temperature sensors

Weixiao Hou
, Yufei Yao
, Yaojin Li
, Bin Peng
, Keqing Shi
, Ziyao Zhou
, Jingye Pan
, Ming Liu
, Jifan Hu

Faculty of Electronic and Information Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Human body temperature not only reflects vital signs, but also affects the state of various organs through blood circulation, and even affects lifespan. Here a wireless body temperature detection scheme was presented that the temperature was extracted by investigating the out-of-plane (OP) ferromagnetic resonance (FMR) field of 10.2 nm thick La_0.7Sr_0.3MnO₃ (LSMO) film using electron paramagnetic resonance (EPR) technique. Within the range of 34–42 °C, the OP FMR field changes linearly with the increasing or decreasing temperature, and this variation comes from the linear responses of magnetization to the fluctuant temperature. Using this method, a tiny temperature change (< 0.1 °C) of organisms can be detected accurately and sensitively, which shows great potential in body temperature monitoring for humans and mammals.

Original language	English
Article number	220589
Journal	Frontiers of Materials Science
Volume	16
Issue number	1
DOIs	https://doi.org/10.1007/s11706-022-0589-5
State	Published - Mar 2022

Keywords

LaSrMnO film
body temperature
ferromagnetic resonance
linear response

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10.1007/s11706-022-0589-5

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title = "Linearly shifting ferromagnetic resonance response of La0.7Sr0.3MnO3 thin film for body temperature sensors",

abstract = "Human body temperature not only reflects vital signs, but also affects the state of various organs through blood circulation, and even affects lifespan. Here a wireless body temperature detection scheme was presented that the temperature was extracted by investigating the out-of-plane (OP) ferromagnetic resonance (FMR) field of 10.2 nm thick La0.7Sr0.3MnO3 (LSMO) film using electron paramagnetic resonance (EPR) technique. Within the range of 34–42 °C, the OP FMR field changes linearly with the increasing or decreasing temperature, and this variation comes from the linear responses of magnetization to the fluctuant temperature. Using this method, a tiny temperature change (< 0.1 °C) of organisms can be detected accurately and sensitively, which shows great potential in body temperature monitoring for humans and mammals.",

keywords = "LaSrMnO film, body temperature, ferromagnetic resonance, linear response",

author = "Weixiao Hou and Yufei Yao and Yaojin Li and Bin Peng and Keqing Shi and Ziyao Zhou and Jingye Pan and Ming Liu and Jifan Hu",

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doi = "10.1007/s11706-022-0589-5",

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T1 - Linearly shifting ferromagnetic resonance response of La0.7Sr0.3MnO3 thin film for body temperature sensors

AU - Hou, Weixiao

AU - Yao, Yufei

AU - Li, Yaojin

AU - Peng, Bin

AU - Shi, Keqing

AU - Zhou, Ziyao

AU - Pan, Jingye

AU - Liu, Ming

AU - Hu, Jifan

PY - 2022/3

Y1 - 2022/3

N2 - Human body temperature not only reflects vital signs, but also affects the state of various organs through blood circulation, and even affects lifespan. Here a wireless body temperature detection scheme was presented that the temperature was extracted by investigating the out-of-plane (OP) ferromagnetic resonance (FMR) field of 10.2 nm thick La0.7Sr0.3MnO3 (LSMO) film using electron paramagnetic resonance (EPR) technique. Within the range of 34–42 °C, the OP FMR field changes linearly with the increasing or decreasing temperature, and this variation comes from the linear responses of magnetization to the fluctuant temperature. Using this method, a tiny temperature change (< 0.1 °C) of organisms can be detected accurately and sensitively, which shows great potential in body temperature monitoring for humans and mammals.

AB - Human body temperature not only reflects vital signs, but also affects the state of various organs through blood circulation, and even affects lifespan. Here a wireless body temperature detection scheme was presented that the temperature was extracted by investigating the out-of-plane (OP) ferromagnetic resonance (FMR) field of 10.2 nm thick La0.7Sr0.3MnO3 (LSMO) film using electron paramagnetic resonance (EPR) technique. Within the range of 34–42 °C, the OP FMR field changes linearly with the increasing or decreasing temperature, and this variation comes from the linear responses of magnetization to the fluctuant temperature. Using this method, a tiny temperature change (< 0.1 °C) of organisms can be detected accurately and sensitively, which shows great potential in body temperature monitoring for humans and mammals.

KW - LaSrMnO film

KW - body temperature

KW - ferromagnetic resonance

KW - linear response

UR - https://www.scopus.com/pages/publications/85125476731

U2 - 10.1007/s11706-022-0589-5

DO - 10.1007/s11706-022-0589-5

M3 - 文章

AN - SCOPUS:85125476731

SN - 2095-025X

VL - 16

JO - Frontiers of Materials Science

JF - Frontiers of Materials Science

IS - 1

M1 - 220589

ER -

Linearly shifting ferromagnetic resonance response of La_0.7Sr_0.3MnO₃ thin film for body temperature sensors

Abstract

Keywords

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