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WANG Ruifang

Professor

wangrf@xmu.edu.cn

Room 451

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Research AreasMagnetization dynamics in one- and two-dimensional magnetic nanostructures, quantum resonance of electrons and atoms.

Education&Work Experience
2008. 12 – present Dept. of Physics, Xiamen University, China Professor of Physics
2007. 11 – 2008. 10 Dept. of Chemical Engineering and
Materials science, Univ. of Minnesota, Postdoc Fellow
2007. 05 – 2007. 11 Oak Ridge National Lab., USA Postdoc Fellow
2000. 08 – 2007. 05 Dept. of Physics, Penn State University, USA Ph. D. of physics
1994. 09 – 1997. 06 Dept. of Physics, Peking University, China M.S. of physics
1992. 09 – 1994. 06 Chengdu Institute of Science and Technology, China B.S.
Publications
22. X. W. Dong, R. F. Wang, Chirality-selection of magnetic domain walls in the Y-shaped nanostrips under small magnetic fields, Journal of Magnetism and Magnetic Materials 473 (2019) 26-31
23. Huirong Zhao, Ruifang Wang, Unusual spin-wave dynamics in core-shell magnetic nanodisks, Journal of Magnetism and Magnetic Materials 465 (2018) 495–499
24. Lijiao Yang, Zhenyu Wang, Lengceng Ma, Ao Li, Jingyu Xin, Ruixue Wei, Hongyu Lin, Ruifang Wang, Zhong Chen, Jinhao Gao, The Roles of Morphology on the Relaxation Rates of Magnetic Nanoparticles, ACS Nano 2018, 12, 4605-4614
25. Xinwei Dong, Ruifang Wang, Chirality-dependent propagations of domain walls in L-shaped nanostrips under unidirectional fields, Jpn. J. Appl. Phys. 56, 12307 (2017)
26. Zijian Zhou, Rui Tian, Zhenyu Wang, Zhen Yang, Yijing Liu, Gang Liu, Ruifang Wang, Jinhao Gao, Jibin Song, Liming Nie & Xiaoyuan Chen, Artificial local magnetic field inhomogeneity enhances T2 relaxivity, Nat. Commun. 8, 15468 (2017)
27. Z. Wang, M. Li, R. Wang, Resonance beyond frequency-matching: multidimensional resonance, New J. Phys. 19 (2017) 033012.
28. Zhenyu Wang, Ruifang Wang, Ultrafast annular-magnetic-field-driven vortex-core reversals, AIP Adv. 6, 125121 (2016).
29. Z. Zhou, Z. Zhao, H. Zhang, Z. Wang, X. Chen, R. Wang, Z. Chen, J. Gao, Interplay between longitudinal and transverse contrasts in fe3o4 nanoplates with (111) exposed surfaces, Acs Nano 8, 7976-7985 (2014).
30. X. Dong, Z. Wang, R. Wang, Deep sub-nanosecond reversal of vortex cores confined in a spin-wave potential well. Appl. Phys. Lett. 104, (2014).
31. Z. Zhao, Z. Zhou, J. Bao, Z. Wang, J. Hu, X. Chi, K. Ni, R. Wang, X. Chen, Z. Chen, J. Gao, Octapod iron oxide nanoparticles as high-performance t-2 contrast agents for magnetic resonance imaging. Nat. Commun. 4, 2266 (2013).
32. R. Wang, X. Dong, Sub-nanosecond switching of vortex cores using a resonant perpendicular magnetic field. Appl. Phys. Lett. 100, (2012).
33. E. E. Nuxoll, M. A. Hillmyer, R. F. Wang, C. Leighton, R. A. Siegel, Composite block polymer-microfabricated silicon nanoporous membrane. Acs Applied Materials & Interfaces 1, 888-893 (2009).
34. T. Kubo, R. F. Wang, D. A. Olson, M. Rodwogin, M. A. Hillmyer, C. Leighton, Spontaneous alignment of self-assembled abc triblock terpolymers for large-area nanolithography. Appl. Phys. Lett. 93, (2008).
35. X. Ke, J. Li, C. Nisoli, P. E. Lammert, W. McConville, R. F. Wang, V. H. Crespi, P. Schiffer, Energy minimization and ac demagnetization in a nanomagnet array. Phys. Rev. Lett. 101, 4 (2008).
36. R. F. Wang, C. Nisoli, R. S. Freitas, J. Li, W. McConville, B. J. Cooley, M. S. Lund, N. Samarth, C. Leighton, V. H. Crespi, P. Schiffer, Artificial 'spin ice' in a geometrically frustrated lattice of nanoscale ferromagnetic islands (vol 439, pg 303, 2006). Nature 446, 102-102 (2007).
37. R. F. Wang, J. Li, W. McConville, C. Nisoli, X. Ke, J. W. Freeland, V. Rose, M. Grimsditch, P. Lammert, V. H. Crespi, P. Schiffer, Demagnetization protocols for frustrated interacting nanomagnet arrays. J. Appl. Phys. 101, 3 (2007).
38. C. Nisoli, R. F. Wang, J. Li, W. F. McConville, P. E. Lammert, P. Schiffer, V. H. Crespi, Ground state lost but degeneracy found: The effective thermodynamics of artificial spin ice. Phys. Rev. Lett. 98, 4 (2007).
39. R. F. Wang, C. Nisoli, R. S. Freitas, J. Li, W. McConville, B. J. Cooley, M. S. Lund, N. Samarth, C. Leighton, V. H. Crespi, P. Schiffer, Artificial 'spin ice' in a geometrically frustrated lattice of nanoscale ferromagnetic islands. Nature 439, 303-306 (2006).
40. S. J. Potashnik, K. C. Ku, R. F. Wang, M. B. Stone, N. Samarth, P. Schiffer, S. H. Chun, Coercive field and magnetization deficit in ga1-xmnxas epilayers. J. Appl. Phys. 93, 6784-6786 (2003).
41. K. C. Ku, S. J. Potashnik, R. F. Wang, S. H. Chun, P. Schiffer, N. Samarth, M. J. Seong, A. Mascarenhas, E. Johnston-Halperin, R. C. Myers, A. C. Gossard, D. D. Awschalom, Highly enhanced curie temperature in low-temperature annealed ga,mn as epilayers. Appl. Phys. Lett. 82, 2302-2304 (2003).
42. S. J. Potashnik, K. C. Ku, R. Mahendiran, S. H. Chun, R. F. Wang, N. Samarth, P. Schiffer, Saturated ferromagnetism and magnetization deficit in optimally annealed ga1-xmnxas epilayers. Phys. Rev. B 66, 4 (2002).
43. P. Ma, S. Z. Wang, R. F. Wang, S. G. Wang, J. Z. Li, R. J. Nie, X. D. Hu, Y. D. Dai, Ditch-typed step-edge grain boundary junction and rf squid. Physica C 282, 2479-2480 (1997).
Courses
Atomic physics, Years 2009 - 2018
Physics of Magnetism, Years 2011 - 2018
Quantum mechanics, Years 2015 - 2018
姓名 WANG Ruifang 职称职务 Professor
邮箱 wangrf@xmu.edu.cn 办公室 Room 451
电话 个人主页
其他信息 研究方向岗位职责 Magnetization dynamics in one- and two-dimensional magnetic nanostructures, quantum resonance of electrons and atoms.
教育和工作经历 2008. 12 – present Dept. of Physics, Xiamen University, China Professor of Physics
2007. 11 – 2008. 10 Dept. of Chemical Engineering and
Materials science, Univ. of Minnesota, Postdoc Fellow
2007. 05 – 2007. 11 Oak Ridge National Lab., USA Postdoc Fellow
2000. 08 – 2007. 05 Dept. of Physics, Penn State University, USA Ph. D. of physics
1994. 09 – 1997. 06 Dept. of Physics, Peking University, China M.S. of physics
1992. 09 – 1994. 06 Chengdu Institute of Science and Technology, China B.S.
代表性文章或专著 22. X. W. Dong, R. F. Wang, Chirality-selection of magnetic domain walls in the Y-shaped nanostrips under small magnetic fields, Journal of Magnetism and Magnetic Materials 473 (2019) 26-31
23. Huirong Zhao, Ruifang Wang, Unusual spin-wave dynamics in core-shell magnetic nanodisks, Journal of Magnetism and Magnetic Materials 465 (2018) 495–499
24. Lijiao Yang, Zhenyu Wang, Lengceng Ma, Ao Li, Jingyu Xin, Ruixue Wei, Hongyu Lin, Ruifang Wang, Zhong Chen, Jinhao Gao, The Roles of Morphology on the Relaxation Rates of Magnetic Nanoparticles, ACS Nano 2018, 12, 4605-4614
25. Xinwei Dong, Ruifang Wang, Chirality-dependent propagations of domain walls in L-shaped nanostrips under unidirectional fields, Jpn. J. Appl. Phys. 56, 12307 (2017)
26. Zijian Zhou, Rui Tian, Zhenyu Wang, Zhen Yang, Yijing Liu, Gang Liu, Ruifang Wang, Jinhao Gao, Jibin Song, Liming Nie & Xiaoyuan Chen, Artificial local magnetic field inhomogeneity enhances T2 relaxivity, Nat. Commun. 8, 15468 (2017)
27. Z. Wang, M. Li, R. Wang, Resonance beyond frequency-matching: multidimensional resonance, New J. Phys. 19 (2017) 033012.
28. Zhenyu Wang, Ruifang Wang, Ultrafast annular-magnetic-field-driven vortex-core reversals, AIP Adv. 6, 125121 (2016).
29. Z. Zhou, Z. Zhao, H. Zhang, Z. Wang, X. Chen, R. Wang, Z. Chen, J. Gao, Interplay between longitudinal and transverse contrasts in fe3o4 nanoplates with (111) exposed surfaces, Acs Nano 8, 7976-7985 (2014).
30. X. Dong, Z. Wang, R. Wang, Deep sub-nanosecond reversal of vortex cores confined in a spin-wave potential well. Appl. Phys. Lett. 104, (2014).
31. Z. Zhao, Z. Zhou, J. Bao, Z. Wang, J. Hu, X. Chi, K. Ni, R. Wang, X. Chen, Z. Chen, J. Gao, Octapod iron oxide nanoparticles as high-performance t-2 contrast agents for magnetic resonance imaging. Nat. Commun. 4, 2266 (2013).
32. R. Wang, X. Dong, Sub-nanosecond switching of vortex cores using a resonant perpendicular magnetic field. Appl. Phys. Lett. 100, (2012).
33. E. E. Nuxoll, M. A. Hillmyer, R. F. Wang, C. Leighton, R. A. Siegel, Composite block polymer-microfabricated silicon nanoporous membrane. Acs Applied Materials & Interfaces 1, 888-893 (2009).
34. T. Kubo, R. F. Wang, D. A. Olson, M. Rodwogin, M. A. Hillmyer, C. Leighton, Spontaneous alignment of self-assembled abc triblock terpolymers for large-area nanolithography. Appl. Phys. Lett. 93, (2008).
35. X. Ke, J. Li, C. Nisoli, P. E. Lammert, W. McConville, R. F. Wang, V. H. Crespi, P. Schiffer, Energy minimization and ac demagnetization in a nanomagnet array. Phys. Rev. Lett. 101, 4 (2008).
36. R. F. Wang, C. Nisoli, R. S. Freitas, J. Li, W. McConville, B. J. Cooley, M. S. Lund, N. Samarth, C. Leighton, V. H. Crespi, P. Schiffer, Artificial 'spin ice' in a geometrically frustrated lattice of nanoscale ferromagnetic islands (vol 439, pg 303, 2006). Nature 446, 102-102 (2007).
37. R. F. Wang, J. Li, W. McConville, C. Nisoli, X. Ke, J. W. Freeland, V. Rose, M. Grimsditch, P. Lammert, V. H. Crespi, P. Schiffer, Demagnetization protocols for frustrated interacting nanomagnet arrays. J. Appl. Phys. 101, 3 (2007).
38. C. Nisoli, R. F. Wang, J. Li, W. F. McConville, P. E. Lammert, P. Schiffer, V. H. Crespi, Ground state lost but degeneracy found: The effective thermodynamics of artificial spin ice. Phys. Rev. Lett. 98, 4 (2007).
39. R. F. Wang, C. Nisoli, R. S. Freitas, J. Li, W. McConville, B. J. Cooley, M. S. Lund, N. Samarth, C. Leighton, V. H. Crespi, P. Schiffer, Artificial 'spin ice' in a geometrically frustrated lattice of nanoscale ferromagnetic islands. Nature 439, 303-306 (2006).
40. S. J. Potashnik, K. C. Ku, R. F. Wang, M. B. Stone, N. Samarth, P. Schiffer, S. H. Chun, Coercive field and magnetization deficit in ga1-xmnxas epilayers. J. Appl. Phys. 93, 6784-6786 (2003).
41. K. C. Ku, S. J. Potashnik, R. F. Wang, S. H. Chun, P. Schiffer, N. Samarth, M. J. Seong, A. Mascarenhas, E. Johnston-Halperin, R. C. Myers, A. C. Gossard, D. D. Awschalom, Highly enhanced curie temperature in low-temperature annealed ga,mn as epilayers. Appl. Phys. Lett. 82, 2302-2304 (2003).
42. S. J. Potashnik, K. C. Ku, R. Mahendiran, S. H. Chun, R. F. Wang, N. Samarth, P. Schiffer, Saturated ferromagnetism and magnetization deficit in optimally annealed ga1-xmnxas epilayers. Phys. Rev. B 66, 4 (2002).
43. P. Ma, S. Z. Wang, R. F. Wang, S. G. Wang, J. Z. Li, R. J. Nie, X. D. Hu, Y. D. Dai, Ditch-typed step-edge grain boundary junction and rf squid. Physica C 282, 2479-2480 (1997).
科研基金及项目 任教课程 Atomic physics, Years 2009 - 2018
Physics of Magnetism, Years 2011 - 2018
Quantum mechanics, Years 2015 - 2018
招生方向 荣誉奖励