Publikation: Magnetic sensitive mechanical response in CrSBr and its composite resonators
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National Natural Science Foundation of China: 12104006
European Union (EU): CZ.02.1.01/0.0/0.0/15_003/0000444
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Deutsche Forschungsgemeinschaft (DFG): 510766045
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We study the mechanical response of bulk CrSBr in temperature using a CrSBr string resonator. We observe two abrupt changes in eigenfrequency and quality factor of the resonator with decreasing temperature, a strong one around 140 K due to an antiferromagnetic phase transition, and a weaker one around 200 K possibly related to a change of spin correlations. We find that the antiferromagnetic transition persists through a temperature window of 30 K rather than showing a narrow sharp change, indicating a gradual spin transition process. In addition, the quality factor exhibits an unexpected increase during the transition, which violates the theoretical prediction. Finally, we demonstrate that in a CrSBr/SiN composite resonator, its vibrational state is sensitively affected by the constituent CrSBr layer during the magnetic phase transitions. It reveals the potential of a composite resonator in both controlling its vibration state with and probing phase transitions of its constituent materials. Our study not only enriches the details about the antiferromagnetic phase transition in CrSBr, but also opens up possibility in magnetic sensing and in situ tuning using composite mechanical resonators.
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CHENG, Huanghuang, Jiayuan ZHOU, Chao HU, Aljoscha SÖLL, Zdenek SOFER, Mingliang TIAN, Xue LIU, Fan YANG, Yuxuan JIANG, 2024. Magnetic sensitive mechanical response in CrSBr and its composite resonators. In: Applied Physics Letters. AIP Publishing. 2024, 125(18), 183101. ISSN 0003-6951. eISSN 1077-3118. Verfügbar unter: doi: 10.1063/5.0233033BibTex
@article{Cheng2024-10-28Magne-71317, year={2024}, doi={10.1063/5.0233033}, title={Magnetic sensitive mechanical response in CrSBr and its composite resonators}, number={18}, volume={125}, issn={0003-6951}, journal={Applied Physics Letters}, author={Cheng, Huanghuang and Zhou, Jiayuan and Hu, Chao and Söll, Aljoscha and Sofer, Zdenek and Tian, Mingliang and Liu, Xue and Yang, Fan and Jiang, Yuxuan}, note={Article Number: 183101} }
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