High frequency impedance spectra on the chromium dioxide thin film

C. M. Fu, C. J. Lai, J. S. Wu, Jung-Chun Huang, C. C. Wu, S. G. Shyu

研究成果: Conference article

13 引文 (Scopus)

摘要

We report on the study of high frequency magnetotransport properties of the chromium dioxide (CrO2) thin films, grown on Si substrate using chemical vapor deposition. The film exhibits a ferromagnetic transition with a Curie temperature near 390 K. The temperature dependent spontaneous magnetization follows Bloch's law. The impedance spectra, being analyzed based on the fundamental electrodynamics, are demonstrated to be in a low-loss dielectric limit along with the occurrence of dielectric relaxation and magnetization response. The specific features of impedance spectra, distinct from the usual metallic ferromagnet, are attributed to the half metallic nature of CrO2. The results explore the possibility for high frequency device applications.

原文English
頁(從 - 到)7702-7704
頁數3
期刊Journal of Applied Physics
89
發行號11 II
DOIs
出版狀態Published - 2001 六月 1
事件8th Joint Magnetism and Magnetic Materials-Intermag Conference - San Antonio, TX, United States
持續時間: 2001 一月 72001 一月 11

指紋

dioxides
chromium
impedance
magnetization
thin films
dielectric loss
electrodynamics
Curie temperature
vapor deposition
occurrences
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

引用此文

Fu, C. M., Lai, C. J., Wu, J. S., Huang, J-C., Wu, C. C., & Shyu, S. G. (2001). High frequency impedance spectra on the chromium dioxide thin film. Journal of Applied Physics, 89(11 II), 7702-7704. https://doi.org/10.1063/1.1358352
Fu, C. M. ; Lai, C. J. ; Wu, J. S. ; Huang, Jung-Chun ; Wu, C. C. ; Shyu, S. G. / High frequency impedance spectra on the chromium dioxide thin film. 於: Journal of Applied Physics. 2001 ; 卷 89, 編號 11 II. 頁 7702-7704.
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Fu, CM, Lai, CJ, Wu, JS, Huang, J-C, Wu, CC & Shyu, SG 2001, 'High frequency impedance spectra on the chromium dioxide thin film', Journal of Applied Physics, 卷 89, 編號 11 II, 頁 7702-7704. https://doi.org/10.1063/1.1358352

High frequency impedance spectra on the chromium dioxide thin film. / Fu, C. M.; Lai, C. J.; Wu, J. S.; Huang, Jung-Chun; Wu, C. C.; Shyu, S. G.

於: Journal of Applied Physics, 卷 89, 編號 11 II, 01.06.2001, p. 7702-7704.

研究成果: Conference article

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T1 - High frequency impedance spectra on the chromium dioxide thin film

AU - Fu, C. M.

AU - Lai, C. J.

AU - Wu, J. S.

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AU - Shyu, S. G.

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N2 - We report on the study of high frequency magnetotransport properties of the chromium dioxide (CrO2) thin films, grown on Si substrate using chemical vapor deposition. The film exhibits a ferromagnetic transition with a Curie temperature near 390 K. The temperature dependent spontaneous magnetization follows Bloch's law. The impedance spectra, being analyzed based on the fundamental electrodynamics, are demonstrated to be in a low-loss dielectric limit along with the occurrence of dielectric relaxation and magnetization response. The specific features of impedance spectra, distinct from the usual metallic ferromagnet, are attributed to the half metallic nature of CrO2. The results explore the possibility for high frequency device applications.

AB - We report on the study of high frequency magnetotransport properties of the chromium dioxide (CrO2) thin films, grown on Si substrate using chemical vapor deposition. The film exhibits a ferromagnetic transition with a Curie temperature near 390 K. The temperature dependent spontaneous magnetization follows Bloch's law. The impedance spectra, being analyzed based on the fundamental electrodynamics, are demonstrated to be in a low-loss dielectric limit along with the occurrence of dielectric relaxation and magnetization response. The specific features of impedance spectra, distinct from the usual metallic ferromagnet, are attributed to the half metallic nature of CrO2. The results explore the possibility for high frequency device applications.

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