Weida Wu 

Title and Address:

Contact Information:

Associate Professor
Department of Physics and Astronomy
School of Arts and Sciences
136 Frelinghuysen Road
Piscataway, NJ 08854
Tel: 848-445-8751
Fax: 732-445-4343
wdwu@physics.rutgers.edu
http://www.physics.rutgers.edu/~wdwu/

Education

Highest Earned Degree

Ph.D., Physics, Princeton University, Princeton, NJ, November 2004.

Dissertation

Magnetic Field Induced Commensurability and Correlation Effects in Low Dimensional Organic Conductors, November 2004. Adviser: Prof. Paul M. Chaikin.

Other Earned Degrees

M.S., Physics, Northwestern University, Evanston, IL, May 1999.
B.S., Physics, University of Science and Technology of China (USTC), Hefei, P. R. China, July 1998.

Honors and Awards

Professional Awards and Honors

DOE Early Career Award, 2012
Research fellowship for experienced researchers, Alexander von Humboldt Foundation, 2011
NSF Faculty Early Career Award, 2009.
Outstanding Graduate Award, USTC, 1998.

Employment History

Positions Held

07/2013-ongoingAssociate Professor, Department of Physics & Astronomy, Rutgers.
07/2007-06/2013Assistant Professor, Department of Physics & Astronomy, Rutgers.
07/2006-06/2007Assistant Research Professor, Department of Physics & Astronomy, Rutgers.
09/2004-06/2006Post-doctor, Department of Physics, University of Texas at Austin.
11/1999-08/2004Graduate Research Assistant, Department of Physics, Princeton University.

Publications

Articles in Refereed Journals

Namrata Bansal, Myung Rae Cho, Matthew Brahlek, Nikesh Koirala, Yoichi Horibe, Jing Chen, Weida Wu, Yun Daniel Park, Seongshik Oh, “Transfer of MBE-grown Bi2Se3 films to arbitrary substrates and Gate-induced metal-insulator transition via Dirac gap”, Nano Lett., 14, 1343-1348 (2014).
Hena Das, Aleksander L. Wysocki, Yanan Geng, Weida Wu and Craig J. Fennie, “Bulk magnetoelectricity in the hexagonal manganites and ferrites”, Nature Comm., 5, 2998 (2014).
Yanan Geng, Hena Das, Aleksander L. Wysocki, Xueyun Wang, S-W. Cheong, M. Mostovoy, Craig J. Fennie, and Weida Wu, “Direct visualization of magnetoelectric domains”, Nature Mater., 13, 163-167 (2014). doi:10.1038/nmat3813
http://www.nature.com/nmat/journal/vaop/ncurrent/full/nmat3813.html
Pin-Jui Hsu, Tobias Mauerer, Matthias Vogt, J.J. Yang, Yoon Seok Oh, S-W. Cheong, Matthias Bode, and Weida Wu, “Hysteretic melting transition of a soliton lattice in a commensurate charge modulation”, Phys. Rev. Lett., 111, 266401 (2013).
http://prl.aps.org/abstract/PRL/v111/i26/e266401
Wenbin Wang, Jun Zhao, Wenbo Wang, Zheng Gai, Nina Balke, Miaofang Chi, Ho Nyung Lee, Wei Tian, Leyi Zhu, Xuemei Cheng, David J. Keavney, Jieyu Yi, Thomas Z. Ward, Paul C. Snijders, Hans M. Christen, Weida Wu, Jian Shen and Xiaoshan Xu, “Room-temperature multiferroic hexagonal LuFeO3 films” Phys. Rev. Lett., 110, 237601(2013).
Rama K. Vasudevan, Weida Wu, Jeffrey R. Guest, Arthur P. Baddorf, Anna N. Morozovska, Eugene A. Eliseev, Nina Balke, V. Nagarajan, Peter Maksymovych and Sergei V. Kalinin, “Domain Wall Conduction and Polarization-Mediated Transport in Ferroelectrics”, (Feature Article), Adv. Funct. Mater., 23, 2592–2616 (2013).
http://onlinelibrary.wiley.com/doi/10.1002/adfm.201300085/full
Yanan Geng, J.H. Lee, J. Freeland, D.G. Schlom, and Weida Wu, "Magnetic inhomogeneity in multiferroic EuTiO3 thin film", Phys. Rev. B (R), 87, 121109 (R) (2013).
Yanan Geng, N. Lee, Y.J. Choi, S-W. Cheong and Weida Wu, "collective magnetism at multiferroic vortex domain walls", Nanoletters, 12, 6055 (2012).
Weida Wu, Y. Horibe, N. Lee, S.-W. Cheong, and J.R. Guest, "Conduction of Topologically Protected Charged Ferroelectric Domain Walls", Phys. Rev. Lett., 108, 077203 (2012).
http://link.aps.org/doi/10.1103/PhysRevLett.108.077203
Edward B. Lochocki, S. Park, Nara Lee, S.-W. Cheong, and  Weida Wu, "Piezoresponse force microscopy of domains and domain walls in multiferroic HoMnO3", Appl. Phys. Lett., 99, 232901 (2011).
http://link.aip.org/link/doi/10.1063/1.3665255
Weida Wu, J.R. Guest, Y. Horibe, S. Park, T. Choi, S.-W. Cheong, and M. Bode, “Polarization-modulated rectification on ferroelectric surfaces”, Phys. Rev. Lett., 104, 217601 (2010).
http://link.aps.org/doi/10.1103/PhysRevLett.104.217601
T. Choi, Y. Horibe, H. T. Yi, Y. J. Choi, Weida Wu and S.-W. Cheong, "Insulating interlocked ferroelectric and structural antiphase domain walls in multiferroic YMnO3", Nature Materials, 9, 253 (2010).
http://www.nature.com/nmat/journal/v9/n3/full/nmat2632.html
Y.J. Choi, S. B. Kim, T. Asada, S. Park, Weida Wu, Y. Horibe, and S-W. Cheong, “Giant magnetic coercivity and ionic superlattice nano-domains in Fe0.25TaS2,” Europhys. Lett., 86, 37012 (2009).
http://iopscience.iop.org/0295-5075/86/3/37012/
S. Park, P. Ryan, E. Karapetrova, J. W. Kim, J. X. Ma, J. Shi, J. W. Freeland, and Weida Wu, “Microscopic evidence of a strain-enhanced ferromagnetic state in LaCoO3 thin film,” Appl. Phys. Lett., 95, 072508 (2009).
http://apl.aip.org/applab/v95/i7/p072508_s1
S. Park, Y. Horibe, Y.J. Choi, C.L. Zhang, S-W. Cheong, and Weida Wu, “Pancakelike Ising domains and charge ordered superlattice domains in LuFe2O4,” Phys. Rev. B, 79, 180401 (R) (2009).
http://link.aps.org/abstract/PRB/v79/e180401
Weida Wu, V. Kiryukhin, H.-J. Noh, K.-T. Ko, J.-H. Park, W. Ratcliff II, P.A. Sharma, N. Harrison, Y.J. Choi, Y. Horibe, S. Lee, S. Park, H.T. Yi, C.L. Zhang, S.-W. Cheong, “Ising pancake domains and giant magnetic coercivity in LuFe2O4,” Phys. Rev. Lett., 101, 137203 (2008).
http://link.aps.org/abstract/PRL/v101/e137203
Y.H. Sun, Y.G. Zhao, H.F. Tian, C.M. Xiong, B.T. Xie, M.H. Zhu, S. Park, Weida Wu, J.Q. Li, and Q. Li, “The electric and magnetic modulation of fully strained ‘dead' layers in La0.67Sr0.33MnO3 films.,” Phys. Rev. B, 78, 024412 (2008).
http://link.aps.org/doi/10.1103/PhysRevB.78.024412
B. T. Xie, Y. G. Zhao, C. M. Xiong, S. Park, and Weida Wu, “Current-voltage characteristics of phase separated La0.5Ca0.5MnO3/Nb-SrTiO3 p-n junction and magnetic tunability,” Appl. Phys. Lett., 92, 232109 (2008).
http://link.aip.org/link/doi/10.1063/1.2944261
Weida Wu and P.M. Chaikin, “Numerical investigation of Nernst effect in quasi-one-dimensional systems,” Phys. Rev. B, 76, 153102 (2007).
http://link.aps.org/doi/10.1103/PhysRevB.76.153102
Casey Israel, Weida Wu, and A.L. de Lozanne, “High-Field Magnetic Force Microscopy as Susceptibility Imaging,” Appl. Phys. Lett., 89 032502 (2006).
http://link.aip.org/link/doi/10.1063/1.2221916
Weida Wu, Casey Israel, N. Hur, S. Park, S.-W. Cheong and A.L. de Lozanne, “Magnetic imaging of a supercooling glass transition in a weakly disordered ferromagnetic manganite,” Nature Materials, 5, 881 (2006).
http://www.nature.com/nmat/journal/v5/n11/full/nmat1743.html
Moon-Sun Nam, Arzhang Ardavan, Weida Wu, P.M. Chaikin, “Magnetothermoelectric effects in (TMTSF)2ClO4,” Phys. Rev. B, 74, 073105 (2006).
http://link.aps.org/doi/10.1103/PhysRevB.74.073105
J. Shinagawa, Weida Wu, P. M. Chaikin, W. Kang, W. Yu, F. Zhang, Y. Kurosaki, C. Parker, S.E. Brown, “Se77 NMR studies on magic angle effect and nature of the superconducting state in the organic superconductors (TMTSF)2X,” J. Low Temp. Phys., 142, 227 (2006).
Weida Wu, Ayan Guha, Suenne Kim and A.L. de Lozanne, “A compact dual-tip STM design,” IEEE Transactions on Nanotechnology, 5, 77 (2006).
http://dx.doi.org/10.1109/TNANO.2005.858592
Weida Wu, N.P. Ong and P.M. Chaikin, “Giant angular-dependent Nernst effect in the quasi-one-dimensional organic conductor (TMTSF)2PF6,” Phys. Rev. B, 72, 235116 (2005).
http://link.aps.org/doi/10.1103/PhysRevB.72.235116
Weida Wu, P.M. Chaikin, W. Kang, J. Shinagawa, W. Yu and S.E. Brown, “77Se NMR probe of magnetic excitations of the magic angle effect in (TMTSF)2PF6,” Phys. Rev. Lett., 94, 097004 (2005).
http://link.aps.org/doi/10.1103/PhysRevLett.94.097004
N.P. Ong, Weida Wu, P.M. Chaikin and P.W. Anderson, “Phase coherence and the Nernst effect at magic angles in organic conductors,” EuroPhys. Lett., 66 579 (2004).
http://dx.doi.org/10.1209/epl/i2004-10017-9
W. Wu, I.J. Lee and P.M. Chaikin, “Giant Nernst Effect and Lock-in Current at Magic Angles in (TMTSF)2PF6,” Phys. Rev. Lett., 91, 056601 (2003).
http://link.aps.org/doi/10.1103/PhysRevLett.91.056601
W. Wu, I.J. Lee, S.E. Brown, M.J. Naughton and P.M. Chaikin, “On the angular dependences of the superconducting and normal state properties of the Bechgaard salts: triplet superconductivity, enhanced Hc2, giant Nernst effect at Lebed magic angles,” Syn. Met., 137, 1305 (2003).
http://www.sciencedirect.com/science/article/pii/S0379677902009918
I.J. Lee, W. Wu, M.J. Naughton, P.M. Chaikin, “Hc2­ enhancement and giant Nernst effect in (TMTSF)2PF6,” J. Phys. IV, 12, 189 (2002).
http://dx.doi.org/10.1051/jp4:20020393

Conference Presentations, Lectures, Demonstrations

Invited Talks

"Direct visualization of domain wall magnetism and domain magnetoelectric effect in hexagonal manganites", Center for Non-linear study, LANL, Mar. 19, 2014
"Direct visualization of domain wall magnetism and domain magnetoelectric effect in hexagonal manganites", Physics department,University of Science and Technology of China, Hefei, China, Jan. 13, 2014
"Direct visualization of domain wall magnetism and domain magnetoelectric effect in hexagonal manganites", Physics department, Fudan University, China, Jan. 09, 2014
"Direct visualization of domain wall magnetism and domain magnetoelectric effect in hexagonal manganites", Physics department, Shanghai Jiaotong University, China, Dec. 31, 2013
"Topological defects in hexagonal manganites: from multiferroics to cosmology", Seminar, Wuerzburg University, June 06, 2013.
"Topological defects in hexagonal manganites: from multiferroics to cosmology", Seminar, MRSEC, Penn State University, Mar. 11, 2013.
"Topological defects in hexagonal manganites: from multiferroics to cosmology", Colloquium, Department of Physics, Missouri Science and Technology University, Feb. 22, 2013
"Multiferroic vortices in hexagonal manganites ", Department of Physics, Case Western Reserve University, Ohio, Oct. 8, 2012.
"Magnetism at ferroeletric domain walls in multiferroic hexagonal ErMnO3", Zernike Institute for Advanced Materials, University of Groningen, Netherland, Aug. 2, 2012.
"Topological vortices in multiferroic hexagonal manganites", Invited talk, Gordon Research Conference (Correlations and Topology in Electron Systems), June 24-29, 2012
"Collective magnetism at multiferroic vortex domain walls", Physics Department, University of Colorado at Boulder, Feb. 23, 2012
"Collective magnetism at multiferroic vortex domain walls", Physics Department, Renmin Univeristy, China, Jan. 16, 2012
"Collective magnetism at multiferroic vortex domain walls", Invited talk, 4th APCTP workshop on multiferroics, Jan. 10, 2012
"Collective magnetism at ferroelectric vortex domain walls ", Department of Physics and Astronomy, Michigan State University, Nov. 28, 2011
"Imaging of Multifunctional Domains/Walls By In Situ Scanning Probe Microscopy", Invited talk, Thematic workshop, APS/CNM/EMC user meeting, May 3, 2011
"Multiferroic vortices in hexagonal manganites", Invited talk, CNM plenary session, APS/CNM/EMC user meeting, May 2, 2011
"Multiferroic vortices in hexagonal manganites", Invited talk (X3.00004), APS March meeting, Mar. 24, 2011
"Multiferroic vortices in hexagonal manganites", Department of Physics, University of Connecticut, Nov. 18, 2010
"Multiferroic vortices in hexagonal manganites", Department of Physics and Astronomy, Rutgers University, Nov. 9, 2010
"Multiferroic vortices in hexagonal manganites", Department of Physics, Brown University, Sept. 23, 2010
"Structural vortex and nanoscale conduction in multiferroic hexagonal manganites", Department of Physics, New Jersey Institute of Technology, Mar. 01, 2010.
“Pancakelike domains and giant magnetic coercivity in ferrimagnetic LuFe2O4”, Department of Engineering Science and Physics, College of Staten Island of the City University of New York, Nov. 03, 2009.
“Pancakelike domains and giant magnetic coercivity in ferrimagnetic LuFe2O4,” Department of Physics and Astronomy, University of Delaware, Apr. 14, 2009.
“Spin glass or strain glass?” Laboratory of Surface Modification, Rutgers University, Apr. 26, 2007.
“Magnetic glass in colossal magnetoresistive manganites,” Department of Physics, University of Houston, May 18, 2006.
“Magnetic glass in colossal magnetoresistive manganites,” Department of Physics and Astronomy, Rutgers University, Feb. 28, 2006.
“Magnetic field induced commensurability and correlation effects in low dimensional organic conductors,” Lawrence Berkeley National Laboratory, Feb. 2, 2006.
“Magnetic field induced commensurability and correlation effects in low dimensional organic conductors,” Department of Physics and Astronomy, Rutgers University, Feb. 28, 2005.
“Magnetic field induced commensurability and correlation effects in low dimensional organic conductors,” Physical Science Division, Lucent Bell Laboratory, Mar. 3, 2005.
“Giant Nernst Effect at Magic Angles in (TMTSF)2PF6,” Department of Physics and Astronomy, University of Texas at Austin, Jun. 14, 2004.
“Giant Nernst Effect and Lock-in Current at Magic Angles in (TMTSF)2PF6,” Department of Physics, University of Oxford, June 19, 2003.

Conferences/Meetings

APS March Meeting, Contributed Talks, 2000-2014.
Orbital Physics Workshop (Berlin), Contributed Talk, Oct. 2006.
Nanoscale Devices & System Integration, Poster, April 2005.
Gordon Conference, Correlated Electron Systems, Poster, June 2004.
Advances in the Fundamental Physics of Ferroelectrics and Related Materials, Aspen winter conference (01/31/2010-02/05/2010) contributed talk.

Memberships

Membership/Offices Held in Scholarly and Professional Societies

Member of American Physical Society.

Funding

Externally-Funded Research and/or Training Grants

2012-2017(Grant Amount: $750,000) DOE Career Award, "In situ scanning force microscopy studies of cross-coupled domains and domain walls", Single PI, Weida Wu
03/2009-02/2014(Grant Amount: $525,000) NSF Career Award, "CAREER: Nanoscale magnetic phenomena and coercivity mechanism in layered magnets with extremely large anisotropy", NSF-DMR-0844807, Single PI, Weida Wu

Internally-Funded Research and/or Training Grants

2007-2008(Grant Amount: $4,000) SAS Global Opportunity award, Weida Wu
2008-2008(Grant Amount: $3,000) SAS Grant development award, Weida Wu