個人經歷
實驗室主要負責微納米圖形加工的工藝研究,和相關儀器的操作與維護。2012年至2013年間在葡萄牙微系統與納米技術研究所(INESC-MN)做博士後,具體工作為磁性隧道結(MTJs)的製備、微納米加工及其隧道磁電阻(TMR)和頻率噪音(Signal-Noise)特性的研究。
研究方向
(1)
軟磁鐵氧體薄膜的製備和高頻磁性研究; (2)軟磁薄膜圖形化對其磁性的影響; (3)
薄膜材料的微光刻與微加工工藝研究。
主講課程
教學及學生指導情況
本科課程:物理學專業《科研訓練Ⅰ》和《科研訓練Ⅱ》。
學術成果
發表論文及專著
[1] D. W. Guo*, W. W. Kong, J. J. Feng, X. L. Li, and X. L .Fan, Synthesis, electromagnetic and microwave absorption properties of Ba3Co2Fe24O41 hexaferrites for GHz application, Materials Science & Engineering B 228, 213-217 (2018). [2] D. W. Guo, W. W. Kong*, J. J. Feng, X. L. Li, and X. L .Fan, Microwave absorption properties of SrxBa3-xCo2Fe24O41 hexaferrites in the range of 0.1-18 GHz, Journal of Alloys and Compounds 751, 80-85 (2018). [3] D. W. Guo* and J. J. Feng, High-frequency properties of [Co90Nb10/Ni0.45Zn0.55Fe2O4(t)]6 multilayer films for application in GHz range, Surfaces and Interfaces 9, 9-12 (2017). [4] D. W. Guo*, C. J. Jiang, X. L. Fan, and D. S. Xue, Thermal annealing effect on structural and magnetic properties of ZnFe2O4 thin films deposited by magnetron sputtering, Appl. Surf. Sci. 307, 576-578 (2014). [5] D. W. Guo*, F. A. Cardoso, R. Ferreira, E. Paz. S. Cardoso, and P. P. Freitas, MgO-based magnetic tunnel junction sensors array for non-destructive testing applications, J. Appl. Phys. 115, 17E513 (2014). [6] D. W. Guo*, C. J. Jiang, X. L. Fan, H. G. Shi, and D. S. Xue, Post-deposition heat-treated NixZn1-xFe2O4 films exhibiting higher resonance frequency, Appl. Surf. Sci. 258, 4237-4239 (2012). [7] D. W. Guo*, Y. C. Yang, J. Y. Zhu, C. J. Jiang, X. L. Fan, and D. S. Xue, soft magnetic and high-frequency properties of Ni-Zn ferrite film with FeMn underlayer, Thin Solid Films 520, 5977-5980 (2012). [8] D. W. Guo, J. Y. Zhu, Y. C. Yang, X. L. Fan, G. Z. Chai, W. B. Sui, Z. M. Zhang, and D. S. Xue, High-frequency magnetic properties of Zn ferrite films deposited by magnetron sputtering, J. Appl. Phys. 107, 043903 (2010). [9] D. W. Guo, X. L. Fan, G. Z. Chai, C. J. Jiang, X. L. Li, D. S. Xue, Structural and magnetic properties of NiZn ferrite films with high saturation magnetization deposited by magnetron sputtering, Appl. Surf. Sci. 256, 2319-2322 (2010). [10] D. W. Guo, Z. M. Zhang, M. Lin, X. L.Fan, G. Z. Chai, Y. Xu, and D. S. Xue, Ni-Zn ferrite films with high resonance frequency in the gigahertz range deposited by magnetron sputtering at room temperature, J. Phys. D: Appl. Phys. 42, 125006 (2009).
主持國家自然科學基金委項目1項, 中央高校基本科研業務費項目1項,
磁學與磁性材料教育部重點實驗室開放課題2項;參與國家自然科學基金委項目6項和橫向課題1項。目前共發表SCI學術論文33篇,實驗儀器和教學相關論文14篇。