Wanli Yang (Beamline 8.0)

  Research Interests   Education   Experiences   Publications   Media Remarks

Description: Wanli Yang 杨万里 万里
Wanli Yang (Beamline 8.0 @ the Advanced Light Source)
Ph.D. Physicist Staff Scientist
MS6-2100, Lawrence Berkeley National Laboratory
1 Cyclotron Road, Berkeley, CA 94720
E-mail
: WLYang (at) lbl.gov
Phone: (510) 486-4989

Fax:
(510) 495-2067

Research Interests

Materials : (current focus) Materials for energy applications, including compounds for photovoltaic, thermoelectric and Lithium-ion battery devices.
(limited effort) Molecular crystal systems including fullerenes, diamondoids and other carbon nanoclusters.
(past) Highly correlated materials including cuprates, magnites, and iron pnictides.

Techniques : (current focus) Synchrotron based SOFT x-ray electronic structure probes including photon-in/photon-out spectroscopy of soft X-ray absorption (sXAS), X-ray emission (sXES), Resonant Inelastic X-ray Scattering (RIXS)
(limited effort) Ultraviolet Photoelectron Spectroscopy (UPS), and Core level X-ray Photoelectron Spectroscopy (XPS), Angle Resolved Photoelectron (ARPES), Resonant Elastic X-ray Scattering (REXS).

 


A schematic of soft x-ray core-level spectroscopy (2008)

Current Research Focus : Battery electrodes and electrolyte system. 
Online Tutorial: "soft x-ray spectroscopy of battery materials" (MRS Meeting) (MRS account or free registration required)

 

Education:

1991-1995 B.S. Shandong University, China (Physics)
1995-2000 Ph.D. Institute of Physics, Chinese Academy of Sciences (Condensed Matter Physics)
2001-2004 Postdoc Stanford University (Condensed Matter Physics & Spectroscopy)

Professional Experiences

9/2006 - present, Career Physicist Scientist, Advanced Light Source, Lawrence Berekeley National Laboratory
9/2004 - 9/2006, Staff Scientist, Geballe Laboratory for Advanced Materials (GLAM), Stanford University

 

Selected Publications (updated publications on Web of Science HERE)

- Battery materials:
Manganese:
Qiao, R., Wang, Y., Olalde-Velasco, P., Li, H., Hu, Y.-S., Yang, WL.
Direct evidence of gradient Mn(II) evolution at charged states in LiNi0.5Mn1.5O4 electrodes with capacity fading.
Journal of Power Sources 273, 1120-1126 (2015) (Note: SURFACE Mn(II) vs bulk NI(IV) at Charged States)

Qiao, R., Dai, K., Mao, J., Weng, T.-C., Sokaras, D., Nordlund, D., Song, X., Battaglia, V. S., Hussain, Z., Liu, G., Yang, WL.
Revealing and suppressing surface Mn(II) formation of Na0.44MnO2 electrodes for Na-ion batteries.
Nano Energy 16, 186-195 (2015) (Note: SURFACE Mn(II) vs bulk Mn(III/IV) at Discharged states)

Qiao, R., Chin, T., Harris, S. J., Yan, S., Yang, WL.
Spectroscopic fingerprints of valence and spin states in manganese oxides and fluorides.
Current Applied Physics
13, 544-548 (2013)

Nickel:
Qiao, R., Wray, L. A., Kim, J.-H., Pieczonka, N. P. W., Harris, S. J., Yang, WL.
Direct Experimental Probe of the Ni(II)/Ni(III)/Ni(IV) Redox Evolution in LiNi0.5Mn1.5O4Electrodes.
The Journal of Physical Chemistry C, 119, 27228-27233 (2015) (Note: SURFACE Ni(II))

Iron:
Wang, L., Song, J., Qiao, R., Wray, L. A., Hossain, M. A., Chuang, Y. D., Yang, WL, Lu, Y., Evans, D., Lee, J. J., Vail, S., Zhao, X., Nishijima, M., Kakimoto, S. & Goodenough, J. B.
Rhombohedral prussian white as cathode for rechargeable sodium-ion batteries.
Journal of the American Chemical Society 137, 2548-2554, (2015)

Liu, XS; Liu, J; Qiao, RM; Yu, Y; Li, H; Suo, LM; Hu, YS; Chuang, YD; Shu, GJ; Chou, FC; Weng, TC; Nordlund, D; Sokaras, D; Wang, YJ; Lin, H; Barbiellini, B; Bansil, A; Song, XY; Liu, Z; Yan, SS; Liu, G; Qiao, S; Richardson, TJ; Prendergast, D; Hussain, Z; de Groot, FMF; Yang, WL.
Phase Transformation and Lithiation Effect on Electronic Structure of LixFePO4: An In-Depth Study by Soft X-ray and Simulations
Journal of the American Chemical Society 134, 13708 (2012)

Cobalt:

Critical Electron States:
Liu, X., Wang, Y. J., Barbiellini, B., Hafiz, H., Basak, S., Liu, J., Richardson, T., Shu, G., Chou, F., Weng, T. C., Nordlund, D., Sokaras, D., Moritz, B., Devereaux, T. P., Qiao, R., Chuang, Y. D., Bansil, A., Hussain, Z., Yang, WL.
Why LiFePO4 is a safe battery electrode: Coulomb repulsion induced electron-state reshuffling upon lithiation.
Physical chemistry chemical physics 17, 26369-26377, (2015)

Wu, MY; Xiao, XC; Vukmirovic, N; Xun, S; Das, PK; Song, XY; Olalde, P; Wang, DD; Weber, AZ, Wang, LW; Battaglia, VS; Yang, WL*; Liu, G*.
Toward an Ideal Polymer Binder Design for High-Capacity Battery Anodes
Journal of the American Chemical Society 135, 12048 (2013)

Liu, G; Xun, S; Nenad, V; Song, XY; Olalde-Velasco, P; Zheng, HH; Battaglia, VS; Wang, LW; Yang, WL.
Polymers with Tailored Electronic Structure for High Capacity Lithium Battery Electrodes
Advanced Materials 23, 4679 (2011)

Olalde-Velasco, P; Jiménez-Mier, J; Denlinger JD; Hussain Z; Yang, WL.
Direct probe of Mott-Hubbard to charge-transfer insulator transition and electronic structure evolution in transition-metal systems
Physical Review B 83, 241102(R) (2011)

SEIs and Electrolyte
Qiao, RM; Lucas, IT; Karim, A; Syzdek, J; Liu, XS; Chen, W; Persson, K; Kostechi, R; Yang, WL.
Distinct Solid-Electrolyte-Interphases on Sn (100) and (001) Electrodes Studied by Soft X-Ray Spectroscopy
Advanced Materials -Interfaces 1, 1300115 (2013)

Delacourt, C., Kwong, A., Liu, X., Qiao, R., Yang, WL, Lu, P., Harris, S. J. & Srinivasan, V.
Effect of Manganese Contamination on the Solid-Electrolyte-Interphase Properties in Li-Ion Batteries.
Journal of The Electrochemical Society 160, A1099-A1107, (2013) (Note: Mn(II) in anode SEI)

mini Reviews
Yang, WL; Liu, XS; Qiao, RM; Olalde-Velasco, P; Spear, JD; Roseguo, L; Pepper, JX; Chuang, YD; Denlinger, JD; Hussain, Z.
Key electronic states in lithium battery materials probed by soft X-ray spectroscopy
J. Elec. Spectr. Rel. Phenom. 190, 64 (2013)

in-situ Soft X-ray Spectroscopy
Liu, X., Yang, WL* & Liu, Z*
Recent Progress on Synchrotron-Based In-Situ Soft X-ray Spectroscopy for Energy Materials.
Advanced Materials 26, 7710-7729, (2014)

Liu, XS; Wang, DD; Liu, G; Srinivasan, V; Liu, Z; Hussain, Z; Yang, WL.
Distinct charge dynamics in battery electrodes revealed by in situ and operando soft X-ray spectroscopy
Nature Communications 4, 2568 (2013)

Chemical
Qiao, R., Chuang, Y. D., Yan, S. & Yang, WL.
Soft x-ray irradiation effects of Li(2)O(2), Li(2)CO(3) and Li(2)O revealed by absorption spectroscopy.
PLoS One 7, e49182, (2012) (Note: O-K to distinguish Li2O2 from Li2O)

 

- highly correlated physics:
Yang, WL; Sorini, AP; Chen, CC; Moritz, B; Lee, WS; Vernay, F; Olalde, P; Denlinger, JD; Delley, B; Chu, JH; Analytis, JG; Fisher, IR; Ren, ZA; Yang, J; Lu, W; Zhao, ZX; Brink, J van den; Hussain, Z; Shen, ZX; Devereaux, TP.
Evidence for weak electronic correlations in iron pnictides
Physical Review B 80, 014508 (2009) (Viewpoint in Physics)

Yang, WL; Fabbri, JD; Willey, TM; Lee, JRI; Dahl, JE; Carlson, RMK; Schreiner, PR; Fokin, AA; Tkachenko, BA; Fokina, NA; Meevasana, W; Mannella, N; Tanaka, K; Zhou, XJ; van Buuren, T; Kelly, MA; Hussain, Z; Melosh, NA; Shen, ZX.
Monochromatic electron photoemission from diamondoid monolayers
SCIENCE 316, 1460-1462 (2007)

Mannella, N; Yang, WL; Zhou, XJ; Zheng, H; Mitchell, JF; Zaanen, J; Devereaux, TP; Nagaosa, N; Hussain, Z; Shen, ZX.
Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites

NATURE 438, 474-478 (2005)

Brouet, V; Yang, WL; Zhou, XJ; Choi, HJ; Louie, SG; Cohen, ML; Goldoni, A; Parmigiani, F; Hussain, Z; Shen, ZX.
Orientation-dependent C-60 electronic structures revealed by photoemission spectroscopy
Physical Review Letters
 93, 197601 (2004)

Yang, WL; Brouet, V; Zhou, XJ; Choi, HJ; Louie, SG; Cohen, ML; Kellar, SA; Bogdanov, PV; Lanzara, A; Goldoni, A; Parmigiani, F; Hussain, Z; Shen, ZX.
Band structure and Fermi surface of electron-doped C-60 monolayers
SCIENCE 300, 303-307 (2003)

Yang, WL, Wen, HH & Zhao, ZX
Giant dissipation peak and current effect of in-plane resistance in Bi2Sr2-xLaxCuO6+y single crystals under magnetic fields.
Physical Review B 62, 1387-1391, (2000)

Yang, WL, Wen, HH & Zhao, ZX
Discrete superconducting transition temperatures and pronounced T-c depression related to the 1/8 problem in Bi2Sr2-xLaxCuO6+delta single crystals.
Physical Review B 62, 1361-1365, (2000)

 

Impacts and Media Remarks

LBNL News Center: New Spectroscopic Technique Could Accelerate the Push for Better Batteries (Dec 2013)

NERSC: A Better Lithium-ion Battery on the Way (Sep 23, 2011)
>>
Broadly cited in public media, e.g., ScienceDaily, ZDNet, Green Car Congress, Knight Journalism Tracker, nanoWerk, electroIQ, MSNBC, ChemistryViews, etc...

Symmetry Magazine: Shedding Light (May 11, 2011)

ALS News: Electron Correlation in Iron-based Superconductors (Feb 24, 2010)

Physics Viewpoint Highlight: Are iron pnictides new cuprates? (July 13, 2009)

Cover Article of Journal of Chemical Physics: Biomimetic dye molecules (Nov 21, 2009)

Inovacao Tecnologica: Diamondóides: O futuro das TVs e monitores de tela plana (Sep 19, 2008)

AAPG Explorer: Diamondoids Go ‘Big Time’ Nano (Jan 2008)

LBL News Press : Diamondoids: The Future on Display (Oct 11, 2007)

ALS News : Diamondoid Monolayers as Monochromatic Electron Source (Nov 28, 2007)

Nature Nanotechnology Research Highlights: Diamondoids: Carbon emissions (Jun 22, 2007)

Nature Nanotechnology News and Views: Diamondoids display their potential (2007)

LBL News Press : Berkeley scientists determine electrical properties of carbon-60 (May 12, 2003)

ALS News: Buckyball Monolayer Electronic Structure (Feb 25, 2004)

 

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