LI, WEI

U.S. Permanent Resident

Materials Science Division, Argonne National Laboratory

(unrestricted work authorization in the U.S.)

**** *. **** ***., ******* IL

60439

E-mail: abh9mr@r.postjobfree.com, Phone: 630-***-****

PROFILE

Doctorate in Physics with over 8 years experience on the science and

technology of ferroelectric and high-k dielectric thin films specializing

in thin films deposition and characterization (surface, microstructure,

optical and electrical properties)

HIGHLIGHTS

( Familiarity with a variety of material systems from ferroelectrics,

relaxor ferroelectrics, multiferroics to high-k dielectrics, photovoltaic

materials, giant permittivity materials and ultrananocrystalline diamond

(UNCD) thin films

( Extensive experience on thin film deposition and characterization on

optical (XRD, Raman etc.) and electrical properties (impedance

spectroscopy, I-V curves, polarization etc.)

( Three years hand-on experience on micro-fabrication techniques in

clean room environment (sputtering, spin coating, mask aligner,

photolithography and RIE-ICP)

( Strong instrumentation ability including characterizing system

performance, trouble-shooting equipment issues, building, modifying,

maintaining vacuum deposition chambers as well as programming skills in

data acquisition, processing and analysis by LabView, Visual Basic and

Origin

( Excellent skills and hand on experience in materials reliability and

durability testing and analysis

( Ability to design, prepare, perform experiments and analysis

experimental data independently

( Ability to work collaboratively as part of a team and have

effectively collaborated with a broad range of colleagues and researchers

in different institutes and universities around the world, participated

in a variety of research programs funded by DOE, DoD, NSF and ONR etc.

( A quick learner - eager to learn new things and have the ability to

grasp new concepts and to operate new instruments quickly

( Excellent organization ability, adaptability, and innovative spirit,

excellent communication and interpersonal skills to work efficiently in a

team environment

( Published > 30 research articles in peer-reviewed journals and gave

numerous invited talks on international conference

EDUCTION

Doctor of Philosophy

2005

Nanjing University (China)

Dissertation: "Investigation on ferroelectric properties of A- and B-site

doped Bi4Ti3O12 thin films and ceramics in the application of

Ferroelectric Random Access Memories (FeRAMs)"

Advisor: Prof. Jinsong Zhu

Bachelor of Science

2000

Nanjing University (China)

SKILLS

( Thin film deposition techniques with both physical vapor deposition

(PVD) and chemical vapor deposition (CVD)

? RF/DC sputtering of metals, oxides and composites

? Atomic layer deposition (ALD) of metals, oxides and multi-layer

structures

? Pulsed laser depositin (PLD) of oxides and composites

? Microwave plasma enhanced chemical vapor deposition (MPECVD)

growth of undoped and doped ultrananocrystalline diamond (UNCD) thin

films using Lambda system and iplas system

? Metal-organic deposition (MOD) and Sol-Gel deposition of

composites

( Micro/nanofabrication techniques

? Standard class 100/1000 cleanroom protocols

? Mask design using LayoutEditor and CleWIN

? Photolithography - Karl Suss mask aligner and UV light

exposure, Laser pattern generator LW405, spin coatings and all common

positive, negative photoresists

? Wet chemistry - metal wet etchants and RCA wafer cleaning

process

? Dry etching - plasma and reactive ion etching (RIE) of metals,

oxides and silicon, familiarity with OXFORD plasma Lab 100 with ICP

source and March CS-1701 reactive ion etcher

( Measurement and characterization techniques

? Optical properties - X-ray diffraction (XRD), Raman

spectroscopy, Spectroscopic Ellipsometer, Surface Profiler, and

optical microscopy

? Surface and microstructure - scanning electron microscopy (SEM)

and focused ion beam milling (FIB) with energy-dispersive X-ray

spectroscopy (EDS) for quantitative analysis of elemental composition,

familiarity with the analysis of atomic force microscopy (AFM),

Piezoresponse force microscopy (PFM) and Transmission electron

microscopy (TEM)

? Electrical properties - RT66A, RT6000HVS, and aixACCT TF2000

standard ferroelectric test systems, Keithley 236 and Keithley 237

Source-Measure Unit and Keithley 6517A Electrometer/High Resistance

Meter for I-V measurement, Four point probe resistivity measurement,

HP4294A, HP4194A, HP4192A Impedance Analyzer and Solartron 1255B

Impedance Analyzer for dielectric property measurement, HP54825A

Multichannel Oscilloscope for recording the transient polarization

switching current, HP33120A Arbitrary Waveform Generator, standard

electrical probe station, low temperature micro-probe station and

environmental probe station

? Thermal and mechanical properties - Rigaku PTC-10A differential

scanning calorimeter (DSC), Internal Friction (IF) measurement systems

(Reed vibration with free-free flexural mode, radio frequency and low

frequency), Wafer flexure system to apply uniaxial tensile and

compressive stress along film surface,

( Data acquisition and processing:

? LabVIEW - write LabView programs to drive measurement

equipments and to collect data

? Visual Basic (VB) - write data processing applications

? Optimization and statistical analysis using Origin and

Microsoft Excel

AWARDS

( Editors' Choice Award for "Artificial Retina Project", 2009

( R&D 100 Award for "Artificial Retina Project", 2009

( The 6th Research Article Award (China), 2007

( Alexander von Humboldt Research Fellowship (Germany), 2006

( Ministry of Education Nominated State Natural Science Award (China),

2006

( Outstanding Graduate Student, 2004, 2005

( First grade of Kwang-Hua Scholarship, 2004

PUBLICSTION SUMMARY

( Research articles published in peer-reviewed journals: > 30

Articles were published in more than 15 scientific journals including

Applied Physics Letters, Journal of Applied Physics, Physical Review B

and Journal of the American Ceramic Society.

( Total citation based on ISI Web of Science (before September 2010): >

260

( H-index = 11

EXPERIENCE

Postdoctoral Appointee

2007 - Present

Advisor: Dr. Orlando Auciello

Materials Science Division, Argonne National Laboratory, IL

< Development and characterization of bio-compatible/bio-inert hermetic

coatings by oxides and ultrananocrystalline diamond (UNCD) on

artificial retina devices fabricated using atomic layer deposition

(ALD) and microwave plasma enhanced chemical vapor deposition (MPECVD)

< Development and characterization of adhesion layers to enhance the

UNCD growth quality on oxides and silicon by DC/RF sputtering

technique

< Design, fabrication and investigation of nanolaminate structures by

ALD with two simple binary oxides to obtain giant dielectric constant

materials used for a new generation of renewable energy

generation/storage systems

< Fabrication and characterization of 3-dimentional capacitors by photo-

lithography and high-aspect ratio deep silicon reactive ion etching

(RIE) in clean room environments

< Performed managerial duties in the laboratory and involved in

developing standard operating procedures and providing equipment

training for new users, regular maintenance checks and trouble

shooting of vacuum deposition systems, chemical vapor processing

equipments and electrical characterization instruments

< Developed and involved in laboratory safety protocols, inventory and

waste management

< Assisted principle investigator in writing successful research

proposals and in writing clear research summaries and quarterly

reports

Alexander von Humboldt Research Fellow

2006 - 2007

Advisor: Dr. Marin Alexe, Dr. Dietrich Hesse, and Dr. Ulrich G sele

Max Planck Institute of Microstructure Physics, Germany

< Fabrication of epitaxial, single crystals like, structural defects

free Pb(Zr,Ti)O3 ferroelectric thin films with large remnant

polarizations (> 100 ?C/cm2) by pulsed laser deposition (PLD) in a

layer by layer mode for the application of ferroelectric random access

memories (FeRAMs)

< Install and setup a ferroelectric transient switching current

measurement system and programming for data acquisition

< Investigation and characterization of ferroelectric switching kinetics

in Pb(Zr,Ti)O3 ferroelectric thin films with various density of 90

degree domain walls characterized by piezoresponse force microscopy

(PFM) and transmission electron microscopy (TEM)

Visiting Scholar

2005 - 2006

Advisor: Dr. Robert W. Schwartz

Materials Science & Engineering, Missouri University of Science and

Technology, MO

( Fabrication of giant dielectric constant CaCu3Ti4O12 (CCTO)

ceramics by solid state reaction method combined with cold isostatic

pressing for the use of pulsed power capacitors in the application of

high electronic weapons and power distribution systems

( Phase and structures characterization by X-ray diffraction

(XRD) and scanning electron microscopy (SEM)

< Investigation on dielectric relaxation process and ac conductivities

in high permittivity CaCu3Ti4O12 (CCTO) ceramics

< Investigation on the science behind a revolutionary diamond coating

technique - QQC, which can deposit a uniform layer of diamond on

almost any type of materials with the ease of paint on a brush by

using carbon dioxide from the air and subjecting it to a combination

of lasers (a multi-laser effort)

Research Assistant

2002 - 2005

Advisor: Prof. Jinsong Zhu

Physics Department and National Lab. of Solid State Microstructures,

Nanjing University, China

< Fabrication of undoped and La-, Nd-, Nb-, W-, Zr-, and Hf-doped

Bi4Ti3O12 ferroelectric thin films and ceramics by pulsed laser

deposition (PLD), metal-organic deposition (MOD), Sol-Gel deposition

and solid state reaction

( Phase and structures characterization by X-ray diffraction

(XRD), Raman spectroscopy, atomic force microscopy (AFM), scanning

electron microscopy (SEM) and transmission electron microscopy (TEM)

< Investigation on ferroelectric, dielectric, switching and leakage

properties of A- and B-site doped Bi4Ti3O12 films and ceramics on the

application of Ferroelectric Random Access Memories (FeRAMs)

< The electrical and mechanical relaxation and pinning behavior of

oxygen vacancies and its effect on ferroelectric properties in A- and

B-site doped Bi4Ti3O12 films and ceramics

< Trained and mentored graduate and undergraduate students

< Assisted faculty members in writing successful research and

instrumentation proposals and in reviewing proposals

< Participated in the design of a ferroelectric property test system

similar with RT66A and obtained the verification of scientific and

technical payoffs by science and technology department of Jiangsu

Province

PUBLICATIONS

Research papers in peer-reviewed journals

1. W. Li, O. Auciello, R. Premnath and B. Kabius, "Giant dielectric

constant dominated by Maxwell-Wagner relaxation in Al2O3/TiO2

nanolaminates synthesized by atomic layer deposition", Appl. Phys. Lett.

96, 162907 (2010)

2. O. Heinonen, M. Siegert, A. Roelofs, A.K. Petford-Long, M. Holt, K.

d'Aquila and W. Li, "Correlating structural and resistive changes in

Ti:NiO resistive memory elements", Appl. Phys. Lett. 96, 103103 (2010)

3. M. Narayanan, B. H. Ma, U. Balachandran, and W. Li, "Dielectric

spectroscopy of Pb0.92La0.08Zr0.52Ti0.48O3 films on hastelloy substrates

with and without LaNiO3 buffer layers", J. Appl. Phys. 107, 24103 (2010)

4. W. Li and M. Alexe, "Investigation on switching kinetics in epitaxial

Pb(Zr0.2Ti0.8)O3 ferroelectric thin films: Role of the 90 degrees domain

walls", Appl. Phys. Lett. 91, 262903 (2007)

5. W. Li and R. W. Schwartz, "Derivation and Application of an Empirical

Formula to Describe Interfacial Relaxation Effects in Inhomogeneous

Materials", J. Am. Ceramic Soc. 90, 3536 (2007)

6. W. Li, R. W. Schwartz, A. P. Chen and J. S. Zhu, "Dielectric response of

Sr doped CaCu3Ti4O12 ceramics", Appl. Phys. Lett. 90, 112901 (2007)

7. W. Li and R. W. Schwartz, "Maxwell-Wagner relaxations and their

contributions to the high permittivity of calcium copper titanate

ceramics", Phys. Rev. B 75, 012104 (2007)

8. W. Li and R. W. Schwartz, "ac conductivity relaxation processes in

CaCu3Ti4O12 ceramics: Grain boundary and domain boundary effects", Appl.

Phys. Lett. 89, 242906 (2006)

9. W. Li, J. Gu, C. H. Song, D. Su, and J. S. Zhu, "B-site doping effect on

ferroelectric property of bismuth titanate", J. Appl. Phys. 98, 114104

(2005)

10. W. Li, J. Ma, K. Chen, D. Su, and J. S. Zhu, "Absorption of 90 degrees

domain walls to oxygen vacancies investigated through internal friction

technique", Europhysics Lett. 72, 131 (2005)

11. W. Li, A. P. Chen, X. M. Lu and J. S. Zhu, "Collective domain-wall

pinning of oxygen vacancies in bismuth titanate ceramics", J. Appl. Phys.

98, 024109 (2005)

12. W. Li, A. P. Chen, X. M. Lu, J. S. Zhu and Y. N. Wang, "Priority of

domain wall pinning during the fatigue period in bismuth titanate

ferroelectric thin films", Appl. Phys. Lett. 86, 192908 (2005)

13. W. Li, Y. Yin, D. Su and J. S. Zhu, "Ferroelectric properties of

polycrystalline bismuth titanate films by Nd3+/W6+ cosubstitution", J.

Appl. Phys. 97, 084102 (2005)

14. X. M. Lu, X. M. Wu, L. B. Li, D. Qian, W. Li, Y. D. Ye, X. S. Wu, and

J. S. Zhu, "Switching properties of Nd- and La-doped Bi4Ti3O12 thin films

under applied stress", Phys. Rev. B 72, 212103 (2005)

15. X. M. Wu, X. M. Lu, A. P. Chen, Y. Yin, J. Ma, W. Li, Y. Kan, D. Qian,

and J. S. Zhu, "Stress effects on ferroelectric and fatigue properties of

Nd- and La-doped Bi4Ti3O12 thin films", Appl. Phys. Lett. 86, 092904

(2005)

16. J. Ma, J. Gu, D. Su, X. M. Wu, C. H. Song, W. Li, X. M. Lu and J. S.

Zhu, "Structural and ferroelectric properties of yttrium substituted

bismuth titanium thin films", Thin Solid Films 492, 264 (2005)

17. W. Li, C. J. Wang, J. S. Zhu and Y. N. Wang, "Correlation among oxygen

vacancies and its effect on fatigue in neodymium-modified bismuth

titanate ceramics", J. Phys.: Condensed Matter 16, 9201 (2004)

18. W. Li, P. Bao, X. M. Lu, J. S. Zhu and Y. N. Wang, "Switching kinetic

of neodymium-modified Bi4Ti3O12 thin films", J. Phys. D: Appl. Phys. 37,

L29 Rapid Communication (2004)

19. W. Li, K. Chen, Y. Y. Yao, J. S. Zhu and Y. N. Wang, "Correlation among

oxygen vacancies in bismuth titanate ferroelectric ceramics", Appl. Phys.

Lett. 85, 4717 (2004)

20. W. Li, D. Su, J. S. Zhu and Y. N. Wang, "Mechanical and dielectric

relaxation in neodymium-modified bismuth titanate ceramics", Solid State

Communications 131, 189 (2004)

21. W. Li, J. Ma, C. H. Song, P. Bao, X. M. Lu, J. S. Zhu and Y. N. Wang,

"Structural, ferroelectric, dielectric properties and leakage

characteristics of neodymium-doped Bi4Ti3O12 thin films prepared by

metalorganic deposition", Chin. Phys. Lett. 21, 544 (2004)

22. C. H. Song, W. Li, J. Ma, J. Gu, Y. Y. Yao, Y. Feng, X. M. Lu, J. S.

Zhu, Y. N. Wang, W. L. H. Chan, and C. L. Choy, "Ferroelectric properties

of Bi3.25-x/3La0.75Ti3-xNbxO12 films prepared by pulsed laser

deposition", Solid State Communications 129, 775 (2004)

23. K. Chen, W. Li, Y. F. Liu, P. Bao, X. M. Lu and J. S. Zhu,

"Investigation of the size effect on the giant dielectric constant

CaCu3Ti4O12 ceramic", Chin. Phys. Lett. 21, 1815 (2004)

24. P. Bao, F. Yan, W. Li, Y. R. Dai, H. M. Shen, J. S. Zhu, Y. N. Wang, H.

L. W. Chan, and C. L. Choy, "Mechanical properties related to the relaxor-

ferroelectric phase transition of titanium-doped lead magnesium niobate",

Appl. Phys. Lett. 81, 2059 (2002)

25. X. L. Liang, Y. Chen, H. M. Shen, Z. F. Zhang, W. Li and Y. N. Wang,

"Thermal cycling stability and two-way shape memory effect of Ni-Cu-Ti-Hf

alloys", Solid State Communications 119, 381 (2001)

Conference presentations

1. (Invited Review) W. Li, B. Kabius and O. Auciello, "Science and

technology of biocompatible thin films for implantable biomedical

devices", The 32nd Annual Int'l Conference of the IEEE Engineering in

Medicine and Biology Society, Buenos Aires, Argentina, August 31-

September 04, 2010

2. W. Li, O. Auciello and D. Zhou, "Bio-compatible/bio-inert hermetic

coatings for implantable Si microchips", 2010 Neural Interfaces

Conference, Long Beach, CA, June 21-23, 2010

3. W. Li, R. Nath, B. Kabius and O. Auciello, "Bio-compatible high

dielectric constant nanolaminates for high capacitance microchip embedded

capacitors for implantable bio-devices", 2010 Neural Interfaces

Conference, Long Beach, CA, June 21-23, 2010

4. (Invited Talk) W. Li and O. Auciello, "Fabrication of high-capacitance

capacitors supplying power to implantable artificial retina devices",

Int'l Symposium on Integrated Functionalities (ISIF), San Juan, PR, June

13-16, 2010

5. W. Li, B. Kabius, R. Nath and O. Auciello, "High-dielectric constant (K)

Al2O3/TiO2 atomic scale multilayers for supercapacitors for energy

storage", 2009 MRS Fall Meeting, Boston, MA, November 30-December 04,

2009

6. W. Li, B. Kabius, R. Nath and O. Auciello, "Dielectric relaxation and

high permittivity in Al2O3/TiO2 supperlattices Synthesized by atomic

layer deposition", Int'l Symposium on Integrated Ferroelectrics and

Functionalities (ISIF2), Colorado Springs, CO, September 27-30, 2009

7. W. Li and O. Auciello, "Investigation of Maxwell-Wagner Relaxation in

Al2O3/TiO2 Nanolaminates Synthesized Using Atomic Layer Deposition", The

9th Int'l Conference on Atomic Layer Deposition, Monterey, CA, July 19-

22, 2009

8. W. Li and R. W. Schwartz, "Thermally and electrically excited relaxation

process in calcium copper titanate", Center for Dielectric Studies (CDS)

Spring Meeting, St. Louis, MO, May 15-17, 2006

9. (Invited Talk) J. S. Zhu, W. Li, K. Chen, X. M. Lu and Y. N. Wang,

"Progress in study of defect and its relaxation associated with

ferroelectric properties in bismuth and titante-based ferroelectrics",

The 8th National Meeting on Internal Friction and Mechanical

Spectroscopy, Nanjing, China, October 19-22, 2006

10. (Invited Talk) W. Li, J. Gu, J. Ma, X. M. Lu and J. S. Zhu,

"Investigation on effective dimensionality of domain growth in Bi4Ti3O12

films", The 17th Int'l Symposium on Integrated Ferroelectrics (ISIF),

Shanghai, China, April 17-21, 2005

11. (Invited Talk) J. S. Zhu, K. Chen, W. Li, F. Yan, Y. R. Dai, X. M. Lu

and Y. N. Wang, "Mechanical and dielectric investigation on point defects

and phase transition in ferroelectric ceramics", The 14th Int'l

Conference on Internal Friction and Mechanical Spectroscopy (ICIFMS-14),

Kyoto, Japan, September 05-09, 2005

12. D. Su, W. Li, J. S. Zhu and Y. N. Wang, "A new microscopic mechanism

for fatigue behavior in bismuth layer structure ferroelectrics", The 17th

Int'l Symposium on Integrated Ferroelectrics (ISIF), Shanghai, China,

April 17-21, 2005

13. A. P. Chen, W. Li, X. M. Lu and J. S. Zhu, "Pressure induced dielectric

constant suppression in CaCu3Ti4O12 ceramics", The 17th Int'l Symposium

on Integrated Ferroelectrics (ISIF), Shanghai, China, April 17-21, 2005

14. W. Li, C. J. Wang, J. Ma, X. M. Lu and J. S. Zhu, "Fatigue melioration

of neodymium-modified Bi4Ti3O12 ceramics", The 16th Int'l Symposium on

Integrated Ferroelectrics (ISIF), Gyeongju, South Korea, April 05-08,

2004

15. W. Li, D. Su, J. S. Zhu and Y. N. Wang, "Internal friction study of

neodymium-modified bismuth titanate ceramic", The 16th Int'l Symposium on

Integrated Ferroelectrics (ISIF), Gyeongju, South Korea, April 05-08,

2004

16. W. Li, C. H. Song, J. Ma, Y. Kan, X. M. Lu and J. S. Zhu, "Switching

properties of Bi3.15Nd0.85Ti3O12 thin films prepared by metalorganic

deposition method", The 16th Int'l Symposium on Integrated Ferroelectrics

(ISIF), Gyeongju, South Korea, April 05-08, 2004

17. X. M. Wu, W. Li, J. Ma, D. Qian, X. M. Lu and J. S. Zhu, "Stress impact

in Nd doped Bi4Ti3O12 thin films", The 16th Int'l Symposium on Integrated

Ferroelectrics (ISIF), Gyeongju, South Korea, April 05-08, 2004

18. K. Chen, W. Li, Y. F. Liu, P. Bao, X. M. Lu and J. S. Zhu,

"Investigation of size effect on the giant dielectric CaCu3Ti4O12

ceramic", The 16th Int'l Symposium on Integrated Ferroelectrics (ISIF),

Gyeongju, South Korea, April 05-08, 2004

19. W. Li, C. H. Song, P. Bao, J. Ma, J. S. Zhu and Y. N. Wang, "Internal

friction and dielectric properties of CuFe2O4-Pb(Mg1/3Nb2/3)O3

composites", The 7th National Conference on Internal Friction and

Ultrasonic Attenuation, Hefei, China, October 11-14, 2003

20. P. Bao, Y. R. Dai, W. Li, H. M. Shen, J. S. Zhu and Y. N. Wang, "Phase

transition of relaxor ferroelectric Pb(Mg1/3Nb2/3)O3-PbTiO3 ceramics",

The 7th National Conference on Internal Friction and Ultrasonic

Attenuation, Hefei, China, October 11-14, 2003

21. P. Bao, F. Yan, W. Li, Y. R. Dai, H. M. Shen, J. S. Zhu, H. L. W. Chan,

C. L. Choy and Y. N. Wang, "Internal friction and Young's modulus of

titanium-doped lead magnesium niobate", The 13th IEEE Int'l Symposium on

Applications of Ferroelectrics, Nara, Japan, May 28-June01, 2002

SYNERGISTIC ACTIVITIES

( Member, National Postdoctoral Association in Argonne National

Laboratory

( Full membership, Sigma Xi Scientific Research Society, 2007

( Active reviewer for 8 peer-reviewed journals including Applied

Physics Letters, Journal of Applied Physics, Journal of Materials

Science, Materials Letters, and Journal of the American Ceramic Society.

REFERENCES

( Dr. Orlando Auciello, Argonne Fellow and Senior Physicist, Materials

Science Division, Argonne National Laboratory, E-mail: abh9mr@r.postjobfree.com

Phone: 630-***-****

( Dr. Seungbum Hong, Materials Scientist, Materials Science Division,

Argonne National Laboratory, E-mail: abh9mr@r.postjobfree.com Phone: 630-***-****

( Dr. Robert W. Schwartz, Professor and Vice Provost for Academic

Affairs, Missouri University of Science and Technology (formally

University of Missouri-Rolla), E-mail: abh9mr@r.postjobfree.com Phone: (573)341-

7887

( Dr. Dietrich Hesse, Group Head and Professor, Max Planck Institute of

Microstructure Physics and Martin Luther University Halle-Wittenberg,

Germany, E-mail: abh9mr@r.postjobfree.com Phone: +49-345-*******

( Dr. Marin Alexe, Permanent Research Staff, Max Planck Institute of

Microstructure Physics, Germany, E-mail: abh9mr@r.postjobfree.com Phone: +49-

345-***-****

( Prof. Jinsong Zhu, Professor, Physics Department, Nanjing University,

E-mail: abh9mr@r.postjobfree.com Phone: +86-25-835*****

Contact this candidate