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李國慶,男,漢族,1969年生于遼寧建平。中共黨員,教授,碩士生導師。重慶市級物理實驗教學示范中心主任。重慶市物理學會理事。東北師范大學物理專業本科(1991年),東北大學凝聚態物理專業碩士(1997年),東北大學材料物理與化學專業博士(2000年)。曾先后赴日本材料科學研究所(NIMS,筑波)、秋田大學(秋田)、東北大學金屬材料研究所(仙臺)進行博士后研究。目前主要承擔本科生《固體物理》、《近代物理實驗》,研究生《固體理論》等課程的教學任務。
主要從事納米磁性顆粒、磁存貯介質等方面的研究工作。微磁學和微納磁電子學是當前納米技術應用于磁學領域的熱點學科。陣列超高面密度垂直磁記錄介質和磁性隧道結代表了磁現象的當前應用發展方向。
在國內外學術刊物上發表學術論文40余篇。目前在研省部以上科研課題3項。
聯系郵箱:gqli@swu.edu.cn
通訊地址:重慶市北碚區西南大學物理科學與技術學院 400715
在研主持項目
(01) 鐵鉑銠鑲嵌式磁記錄介質及其反鐵磁-鐵磁相變的自旋動力學
國家自然科學基金(51071132),39萬,2011.01-2013.12
(02) 垂直磁化MTJ的自旋轉距效應
重慶市自然科學基金(CSTC2009BB8102),3萬,2009.08-2012.07
(03) 垂直磁隧道結自旋轉矩效應
中央高校基本科研費(XDJK2009C193),4萬,2010.01-2012.12
已完成主持項目
(01) 新型CMR單晶磁性相變的研究,3萬
遼寧省科委博士啟動基金(2001102016),2002.01- 2004.12
(02) 超微磁性粒子的取向及粒徑控制,2萬
重慶市自然科學基金(CSTC2006BB4326),2006.08-2008.07
(03) 垂直取向磁性納米粒子的生長與物性調節,15萬
西南大學博士基金(SWUB2006031),2007.01-2008.12
發表的代表性論文
01. Accelerating the L10 ordering transition of FePt(001) nanograins using composite buffer layers
G Q Li, Y P Zheng, K Hayashi, K Takanashi
Appl. Phys. Lett. 99(2011) 043108(1-3).
02. Morphology and domain pattern of L10 ordered FePt films
G Q Li, H Takahoshi, H Ito, H Saito, S Ishio, T Shima, K Takanashi
J. Appl. Phys. 94(2003) 5672-5677.
03. Structural transition from L10 phase to A1 phase in FePt films caused by ion irradiation
T Hasegawa, G Q Li, W L Pei, H Saito, S Ishio, K Taguchi, K Yamakawa, N Honda, K Ouchi, T Aoyama, I Sato
J. Appl. Phys. 99(2006) 053505(1-6).
04. Simultaneous magnetic force microscopy imaging of perpendicular and in-plane magnetic field gradient on La0.7Sr0.3MnO3 granular film with in-plane magnetization
Z H Li, G Egawa, S Yoshimura, G Q Li, H Asano, H Saito
J. Appl. Phys. 109(2011) 07D334(1-3).
05. Magnetic force microscopy imaging of in-plane magnetic field gradient using transient oscillation
H Saito, G Egaw, S Ishio, G Q Li
J. Appl. Phys. 103 (2008) 07D921(1-3).
06. Phenomenological analysis of magnetization reversal process for L10-FePt(001) particulate films
D L Wang, T Seki, K Takanashi, T Shima, G Q Li, H Saito, S Ishio
J. Appl. Phys. 105(2009) 07A702(1-3).
07. Nucleation-type magnetization behavior in FePt (001) particulate films
T Shima, K Takanashi, Y K Takahashi, K Hono, G Q Li , S Ishio
J. Appl. Phys. 99(2006) 033516(1-5).
08. Dot size dependence of magnetic properties in microfabricated L10-FePt (001) and L10-FePt (110) dot arrays
T Seki, T Shima, K Yakushiji, K Takanashi, G Q Li, S Ishio
J. Appl. Phys. 100 (2006) 043915(1-8).
09. Strain-driven formation of rubrene crystalline films on Bi(001)
M Lan, Z Xiong, G Q Li, T N Shao, J L Xie, X F Yang, J Z Wang, Y Liu
Phys. Rev. B 83(2011) 195322(1-5).
10. STM study of a rubrene monolayer on Bi(001): structural modulations
J Z Wang, M Lan, T N Shao, G Q Li, Y Zhang, C Z Huang, Z H Xiong, X C Ma, J F Jia, Q K Xue
Phys. Rev. B 83(2011) 235433(1-4).
11. Influence of silicon dioxide doping on morphology of silicon nanowires grown by floating zone method
G Q Li, Q L Hu, H ARAKI, H Suzuki, W Yang, T Noda
Jpn. J. Appl. Phys. 41 (2002) Part 1 7272-7275
12. In situ growth of isotopically enriched 28Si nanowires using the floating-zone (FZ) melting method
Q L Hu, G Q Li, H Suzuki, H Araki, T Noda
Jpn. J. Appl. Phys. 41 (2002) Part 2 L7-L9.
13. A new phenomenon in the floating-zone (FZ) growth of Si nanowires
Q L Hu, G Q Li, H Suzuki, H Araki, N Ishikawa, W Yang, T Noda
J. Crystal Growth 246 (2002) 64-68.
14. Spin freezing phenomenon and transport properties in La1/3Nd1/3Ba1/3MnO3
G Q Li, Z Xianyu, C O Kim, H J Kim, Y W Lee
J. Magn. Magn. Mater. 239(2002) 51-53.
15. Mechanism of magnetization process of island-like L10 FePt films
G Q Li, H Takahoshi, H Ito, T Washiya, H Saito, S Ishio, T Shima, K Takanashi
J. Magn. Magn. Mater. 287(2005) 219-223.
16. Anomalous magnetization processes and non-symmetrical domain wall displacements in L10 FePt particulate films
G Q Li, H Saito, S Ishio, T Shima, K Takanashi
J. Magn. Magn. Mater. 303(2006) 14-19.
17. Morphology and domain pattern of epitaxially grown L10 FePt elongated particles
G Q Li, H Saito, S Ishio, T Shima, K Takanashi, Z H Xiong
J. Magn. Magn. Mater. 319(2007) 73-79.
18. Asymmetric initial magnetization process of elongated particles in nucleation-type L10 FePt films
G Q Li, H Saito, S Ishio, T Shima, K Takanashi, Z H Xiong
J. Magn. Magn. Mater. 315(2007) 126-131.
19. Domain structure movement in L10 FePt islands observed by in situ MFM
S Ishio, G Q Li, H Takahoshi, H Ito, H Saito, T Shima, K Takanashi
J. Magn. Magn. Mater. 272-276(2004) e819-e821.
20. High coercivity and magnetic domain observation in epitaxially grown particulate FePt thin flms
T Shima, K Takanashi, Y K Takahashi, K Hono, G Q Li, S Ishio
J. Magn. Magn. Mater. 266(2003) 171-177.
21. Improvement of hard magnetic properties in microfabricated L10-FePt dot arrays upon post-annealing
T Seki, T Shima, K Yakushiji, K Takanashi, G Q Li, S Ishio
IEEE Trans. Magn. 41 (2005) 3604-3606.
22. Dot size dependence of magnetization reversal process in L10-FePt dot arrays
D L Wang, T Seki, K Takanashi, T Shima, G Q Li, H Saito, S Ishio
IEEE Trans. Magn. 44(2008) Part 2 3464-3467.
23. Microstructure and magnetic properties for highly coercive FePt sputtered films
T Shima, K Takanashi, G Q Li, S Ishio
Mater. Trans. 44 (2003) 1508-1513.
24. Micromagnetic simulations of magnetization reversal of iron nanowire
H Xiang, D M Jiang, J C Yao, Y P Zheng, W Lu, G Q Li, H Saito, S Ishio, X W Tan, Y Q Lin
J. Phys. Conf. Ser. 266(2011) 012022(1-5).
25. Continuity of perpendicular FePt film with a compositional gradient design
X J Mo, H Xiang, W Lu, Y P Zheng, G Q Li, H Saito, S Ishio, D M Jiang, X W Tan, Y Q Lin
J. Phys. Conf. Ser. 266(2011) 012040(1-5).
26. Magnetic properties of iron films on anodized aluminum underlayer
H Xiang, Y Zhang, J C Yao, X J Mo, G Q Li, H Saito
J. Phys. Conf. Ser. 266(2011) 012048(1-4).