Wanli Yang

Ph.D. Physicist Staff Scientist
Beamline 8.0.1, Advanced Light Source, Lawrence Berkeley National Laboratory
MS6R2100, 1 Cyclotron Road, Berkeley, CA 94720
E-mail: WLYang (at) lbl.gov
Phone: (510) 486-4989
Fax: (510) 495-2067

   RESEARCH INTERESTS    EDUCATION    EXPERIENCES   TECHNIQUES    PUBLICATIONS

RESEARCH INTERESTS

Techniques : (current focus) Synchrotron based soft X-ray spectroscopy: soft X-ray absorption (sXAS), X-ray emission (sXES), Resonant Inelastic X-ray Scattering (RIXS), high-effeciency full-energy-range mapping of RIXS (mRIXS). (limited/past effort) Ultraviolet Photoelectron Spectroscopy (UPS), and Core level X-ray Photoelectron Spectroscopy (XPS), Angle Resolved Photoelectron (ARPES). Materials : (current focus) Materials for energy applications, including materials for energy storage, photovoltaic, and catalysts. (limited/past effort) Molecular crystal systems and nanoclusters; highly correlated materials.

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)

EXPERIENCES

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

 

Techniques (Simplified schematics, see review references for details)

Soft XAS (sXAS) Atomic Schematic (2008) (RIXS signals concealed)

Reference: Yang et al., J. Elec. Spectr. Rel. Phenom. 190, 64 (2013)

 

 

XES and RIXS Atomic Schematic (2017)

Reference: Yang & Devereaux J. Power Sources 389, 188 (2018)

 

 

High-effeciency full-energy-range mapping of RIXS (mRIXS)

Reference: Qiao et al., Review of Scientific Instruments 88, 033106 (2017)

 

 

Direct, quantitative and bulk probe of Mn and O states through mRIXS-iPFY (left) and mRIXS-sPFY (right), respectively

Reference: Dai et al., Joule 3, 518-541 (2019) (PDF)

 

Updated Publication List on Web of Science Here!
(Below are representative examples of techniques and sciences categorized for education purpose)

 

-- mRIXS of energy storage materials

(Review) WL Yang*, TP Devereaux*
Anionic and cationic redox and interfaces in batteries: Advances from soft X-ray absorption spectroscopy to resonant inelastic scattering
Journal of Power Sources 389, 188 (2018)

(Instrumentation) RM Qiao, QH Li, ZQ Zhuo, S Sallis, O Fuchs, M Blum, L Weinhardt, C Heske, J Pepper, M Jones, A Brown, A Spucces, K Chow, B Smith, P-A Glans, YX Chen, SS Yan, F Pan, LFJ Piper, J Denlinger, J Guo, Z Hussain, Y-D Chuang*, WL Yang*
High-efficiency in situ resonant inelastic x-ray scattering (iRIXS) endstation at the Advanced Light Source
Review of Scientific Instruments 88, 033106 (2017)

(Quantify chemical reactions) KH Dai, JP Wu, ZQ Zhuo, QH Li, S Sallis, J Mao, G Ai, CH Sun, ZY Li, WE Gent, WC Chueh, Y-d Chuang, R Zeng, Z-x Shen, F Pan, SS Yan, LFJ Piper, Z Hussain, G Liu*,WL Yang*
High Reversibility of Lattice Oxygen Redox Quantified by Direct Bulk Probes of Both Anionic and Cationic Redox Reactions
Joule 3, 518-541 (2019) (PDF)

A Firouzi, RM Qiao, S Motallebi, CW Valencia, HS Israel, M Fujimoto, LA Wray, Y-D Chuang, WL Yang*, CD Wessells*
Monovalent manganese based anodes and cosolvent electrolyte for stable low-cost high-rate sodium-ion batteries
Nature Communications 9:861 (2018)

WE Gent, K Lim, YF Liang, QH Li, T Barnes, S-J Ahn, KH Stone, M McIntire, J Hong, JH Song, Y Li, A Mehta, S Ermon, T Tyliszczak, D Kilcoyne, D Vine, JH Park, SK Doo, MF Toney*, WL Yang*, D Prendergast*, WC Chueh*.
Coupling between oxygen redox and cation migration explains unusual electrochemistry in lithium-rich layered oxides
Nature Communications 8:2091 (2017)

J Xu, ML Sun, RM Qiao, SE Renfrew,L Ma, T Wu, S Hwang, D Nordlund, D Su, K Amine, J Lu, BD McCloskey*, WL Yang*, Wei Tong*
Elucidating anionic oxygen activity in lithium-rich layered oxides
Nature Communications 9:947 (2018)

 

--- sXAS and XES of Energy Storage Materials

Transition-metals (TMs):
(Topical Review) QH Li, RM Qiao, LA Wray, J Chen, ZQ Zhuo, YX Chen, SS Yan*, F Pan, Z Hussain, WL Yang*.
Quantitative probe of the transition metal redox in battery electrodes through soft x-ray absorption spectroscopy
Journal of Physics D: Applied Physics 49, 413003 (2016)

(Fe/Mn with spin states) JP Wu, J Song, KH Dai, ZQ Zhuo, LA Wray, G Liu, ZX Shen, R Zeng*, YH Lu*, WL Yang*
Modification of Transition-Metal Redox by Interstitial Water in Hexacyanometalate Electrodes for Sodium-Ion Batteries
Journal of the American Chemical Society 139, 18358 (2017)

(Manganese) 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)

(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)

(Iron) 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)

(sXAS & sXES)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)

 

non- Transition metals:
(C-K) 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)

(C-K, O-K) 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)

(C-K, O-K) ZQ Zhuo, P Lu, C Delacourt, RM Qiao, K Xu, F Pan*, SJ Harris*, WL Yang*.
Breathing and oscillating growth of solidelectrolyte-interphase upon electrochemical cycling
Chemical Communications 54, 814 (2018)

(Li-K) RM Qiao, Y-D Chuang, SS Yan*, WL Yang*.
Soft X-Ray Irradiation Effects of Li2O2,Li2CO3 and Li2O Revealed by Absorption Spectroscopy
PLoS One 7, 349182 (2012)

 

--- Soft X-ray in-situ Techniques:
(Review on in-situ) 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)

(Solid-state in-situ) 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)

 

--- pre-2010 efforts on highly correlated systems:
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)

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)

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)

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