Prof. Junqiao Wu is honored for the 7th consecutive year as a global Highly Cited Researcher by Clarivate Web of Science, in 2024!
2024 November:
Congratulations to Lei and Yin et al, on their paper accepted at Nature Materials! "Anomalous thermal transport in Eshelby twisted van der Waals nanowires."
2024 August:
The Wu groups welcomes a new PhD student, Mr. Anthony Chen!
2024 July:
Congratulations to Yuhang et al, on their paper accepted at Nature Communications! "Ion Diffusion Retarded by Diverging Chemical Susceptibility."
2024 May:
The Wu group graduates PhD Yuhang Cai !
2024 February:
Prof. Wu attends and speaks at the bench unveiling ceremony in LBNL dedicated to his PhD co-advisor, Dr. Wladek Walukiewicz.
2023 November:
Prof. Junqiao Wu is honored for the 6th consecutive year as a global Highly Cited Researcher by Clarivate Web of Science!
2023 October:
The group welcomes a new visiting postdoc, Dr. Jakub (Jacob) Kierdaszuk!
2023 September:
As the Chair, Prof. Wu prepared the MSE Department newsletter for academic year 2023-2024! Read it here!
2023 September:
Congratulations to Jiachen et al, on their paper accepted at Joule! "Printable, emissivity-adaptive and albedo-optimized covering for year-round energy savings."
2023 August:
The group welcomes two new PhD students, Mr. Ravanny Komalig and Ms. Mandy Zhang!
Prof. Wu is appointed Chair of the Department of Materials Science and Engineering starting July 1, 2023!
2023 March:
Prof. Wu is elected Vice Chair, and automatically Chair-Elect and Chair in next years, of the Division of Materials Physics (DMP) of the American Physical Society (APS)!
Prof. Junqiao Wu is honored for the 5th consecutive year as a global Highly Cited Researcher by Clarivate Web of Science!
2022 November:
Congratulations to Penghong et al, on their paper accepted at Nano lett.! "Breaking rotational symmetry in supertwisted WS2 spirals via moire magnification of intrinsic heterostrain."
2022 October:
Congratulations to Lei et al, on their paper accepted at Phys. Rev. lett.! "Probing the critical nucleus size in the metal-insulator phase transition of VO2".
2022 October:
Congratulations to Danqing et al, on their paper accepted at Nanophotonics! "Low-loss, geometry-invariant optical waveguides with zero-index materials".
2022 September:
The group says goodbye to Dr. Kaichen Dong who will be a faculty at Tsinghua SIGS.
2022 September:
Congratulations to Kaichen et al, on their paper accepted at Cell Reports Physical Science! "Reducing temperature swing of space objects with temperature-adaptive solar or radiative coating".
2022 September:
The Wu group welcome a new PhD student, Mr. Seongwon Yoon!
The Wu group welcome a new PhD student, Mr. Kai Xu!
2022 August:
Congratulations to Prof. Wu on his winning of the 2023 John Bardeen Award from TMS! This award is named after Dr. John Bardeen, a two-time Nobel Prize winner (for invention of the transistor and founding of the superconductivity theory, respectively), and recognizes an individual who has made outstanding contributions and is a leader in the field of electronic materials, and will be made at the 152nd TMS Annual Meeting in March 2023. Prof. Wu is honored for his pioneering work in narrow-gap nitrides, highly mismatched semicondcutor alloys, vanadium oxides, and layered semiconductors! Prof. Wu would like to thank his advisors, collaborators, and past and current students and postdocs!
Congratulations to Sorren Warkander for winning the Jane Lewis Fellowship! .
2022 June:
Congratulations to Yoonsoo et al in collaboration with Prof. Grigoropoulos group, on their paper accepted at Nature Electronics! "A laser-assisted chlorination process for reversible writing of doping patterns in graphene".
2022 April:
Congratulations to Ruihan on her passing of the Qualifying exam at the end of her 1st year!
2022 February:
Kechao, Kaichen and Jiachen's work published in Science is featured by ABC7 news on TV!
2022 February:
Congratulations to Penghong et al, on their paper accepted at Phys. Rev. Lett.! "Giant isotope effect of thermal conduction in Si nanowires". LBNL news release is here.
2022 January:
The Wu group is graduating PhD student, Dr. Lei Jin, who will work in the Silicon Valley.
2021 December:
Congratulations to Sarah, on her paper accepted at J. Appl. Phys.! "Transducerless time domain reflectance measurement of semiconductor thermal properties".
2021 November:
Prof. Junqiao Wu is honored for the 4th consecutive year as a global Highly Cited Researcher by Clarivate Web of Science!
2021 October:
Congratulations to Kechao, Kaichen and Jiachen et al, on their paper accepted at Science! "Temperature-adaptive radiative coating for all-season household thermal regulation". LBNL and UC Berkeley news release is here.
2021 September:
We welcome two new members, PhD student Ruihan Guo, and visiting professor AKM Newaz!
2021 August:
Congratulations to Yuhang for passing his Qualifying Exam!
2021 May:
The Wu group is graduating PhD student, Dr. Penghong Ci, who will work as a fuculty in Shenzhen University China.
2021 April:
Congratulations to Kaichen and co-authors for their paper accepted at Phys. Rev. Lett.! "Flat bands in magic-angle bilayer photonic crystals at small twists".
2021 February:
Congratulations to Jiaman and co-authors for their paper accepted at Nano Lett.! "Selective gas permeation in defect-engineered bilayer graphene".
2020 December:
Congratulations to Dr. Danqing Wang for being honored as one of the 30 under 30 in science of 2021 by Forbes!
2020 November:
Prof. Junqiao Wu is honored for the 3rd consecutive year as a global Highly Cited Researcher by Clarivate Web of Science .
2020 November:
Prof. Wu is featured in the UC Berkeley College of Engineering's magazine, Berkeley Engineer.
2020 October:
Congratulations to Kechao and co-authors for their paper accepted at Science Advances! "Milli-Kelvin resolved ambient thermography".
2020 September:
Congratulations to Penghong and co-authors for their paper accepted at Nature Communications! "Chemical trends of deep defects in van der Waals semiconductors".
2020 September:
Congratulations to Yang and co-authors for their paper accepted at Phys. Rev. Lett.! "Band engineering of large-twist-angle graphene/h-BN moire superlattices with pressure".
2020 July:
The Wu group welcomes a new PhD student, Yuhang Cai!
2020 July:
The Wu group says farewell to postdoc, Dr. Kechao Tang!
2020 July:
Congratulations to Lei and co-authors for their paper accepted at Phys. Rev. B! "Disorder recovers the Wiedemann-Franz Law in metallic phase of VO2".
2020 June:
The Wu group says farewell to postdoc, Dr. Yang Gao!
2020 June:
Congratulations to Prof. Wu for winning the inaugural Bakar Prize !
2020 June:
Congratulations to Huili and co-authors for their paper accepted at Nano Lett.! "Extreme in-plane thermal conductivity anisotropy in titanium trisulfide caused by heat-carrying optical phonons".
2020 April:
Congratulations to Huili and co-authors for their paper accepted at Adv. Sci.! "Anomalously suppressed thermal conduction by electron-phonon coupling in tantalum disulfide".
2020 February:
Congratulations to Kechao and co-authors for their paper accepted at Adv. Mater.! "A Thermal Radiation Modulation Platform by Emissivity Engineering with Graded Metal-Insulator Transition". UC Berkeley news release is here.
2019 September:
Congratulations to Yang and co-authors for their paper collaborated with Prof. Peidong Yang accepted at PNAS! "Pressure induced semiconductor to metal phase transition of a charge ordered indium halide perovskite".
2019 August:
The Wu group welcomes a new postdoc, Miller Fellow Dr. Danqing Wang!
2019 May:
Congratulations to Jiachen, on passing his Qual exam!
2019 May:
The Wu group welcomes a visiting PhD student, Ms. Jiaman Liu, from Tsinghua-Berkeley Shenzhen Institute!
2019 May:
Congratulations to Hwan sung and co-authors for their paper accepted at Nano Letters! "Ion Write Micro-Thermotics: Programing Thermal Metamaterials at the Microscale".
2019 April:
Congratulations to Yabin and co-authors for their paper collaborated with Dr. Bin Chen (HPSTAR) accepted at PNAS! "Large Bandgap of Pressurized Trilayer Graphene".
2019 March:
Congratulations to Hwan Sung and co-authors for their paper accepted at Applied Physics Letters! "Anomalously high electronic thermal conductivity and Lorenz ratio in Bi2Te3 nanoribbons far from bipolar condition".
2019 February:
The Wu group welcomes a new postdoc, Dr. Kaichen Dong, from Tsinghua University!
2019 January:
Group alumnus Dr. Joonki Suh will be a professor in UNIST (Ulsan National Institute of Science and Technology, Korea). Congratulations!
2018 December:
Congratulations to Sarah for her passing the Qual exam!
2018 November:
Group alumnus Dr. Yabin Chen becomes a Professor in Beijing Institute of Technology, China. Congratulations!
Prof. Wu is elected as a Fellow of the American Physical Society (APS)! The citation reads, "For developing and understanding narrow-bandgap nitride semiconductors and highly mismatched alloys, for pioneering the physics of point defects and interlayer coupling of two-dimensional semiconductors, and for discovering non-quasiparticle electro-thermal transport in strongly correlated
metals".
2018 Sept:
The Wu Group welcomes Prof. SungWng Kim as a visting professor from Sungkyunkwan University!
2018 July:
Congratulations to Joonki and co-authors for their paper accepted at Applied Physics Letters! "Compensated thermal conductivity of metallically conductive Ta-doped TiO2".
2018 June-July:
Prof. Wu teaches and supervises PhD students at the Tsinghua-Berkeley Shenzhen Institute.
2018 May:
Congratulations to Lei on passing the Qual exam!
2018 May:
The Wu group welcomes a new visiting scholar Dr. Chang-Yu Lin from HTC Taiwan!
2018 May:
Congratulations to Yabin and co-authors for their paper accepted at Advanced Materials! "Black Arsenic: A Layered Semiconductor with Extreme in-plane Anisotropy".
2018 March:
The Wu group says goodbye to postdoc Dr. Hwan Sung Choe, who will join Lam Research!
2018 March:
Congratulations to Penghong Ci for his winning of the prestigious Jane Lewis Fellowship for the 2nd year!
2018 March:
Congratulations to Prof. Wu and co-authors for their review paper accepted at Materials Today! "Recent progress on physics and applications of vanadium dioxide".
2018 February:
The Wu group welcomes a new postdoc Dr. Sara Fathipour from the University of Notre Dame!
2018 January:
Prof. Wu takes the job as the Chair of the Applied Science and Technology Graduate Group.
2018 January:
The Wu group welcomes a new visiting scholar Kazutaka Eriguchi from SUMCO Japan!
2018 January:
The Wu group says goodbye to Prof. Moon-Ho Ham who returns to GIST Korea, and Mr. Yongqiang Zhang who returns to Xi'an Jiao Tong University China!
The Wu Group says farewell to Dr. Bivas Saha, who will become a professor at Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) in India!
2017 November:
Congratulations to Joonki and co-authors for their paper accepted at Nature Communications! "Restructuring stacking order and electronic bands of MoS2 by delocalized dopant wavefunction".
2017 November:
The group welcomes postdoc Dr. Yang Gao from Georgia Institute of Technology!
2017 October:
Congratulations to Prof. Wu and co-authors for their review paper published at Applied Physics Reviews! "Thermal Diodes, Regulators, and Switches: Physical Mechanisms and Potential Applications"
2017 September:
Congratulations to Kaichen et al for their paper accepted at Advanced Materials! "A fabrication-free and field-programmable photonic meta-canvas". UC Berkeley news release is here.
2017 September:
The group welcomes visiting postdoc Dr. Juehan Yang from the Institute of Semiconductors, Chinese Academy of Sciences!
2017 August:
Congratulations to Huili et al for their paper accepted at Appl. Phys. Lett.! "Variable range hopping electric and thermoelectric transport in anisotropic black phosphorus".
2017 August:
The group welcomes three new members: PhD students Mr. Jiachen Li from Tsinghua University, Ms. Madeleine Gordon (co-advised with Dr. Urban) from College of Charleston, and postdoc Dr. Kechao Tang from Stanford University!
2017 May-July:
Prof. Wu is teaching a summer class in the Tsinghua-Berkeley Shenzhen Institute, and attending several conferences in Asia.
2017 June:
Penghong et al's paper is accepted for publication at Nano Letters! Congratulations! "Quantifying van der Waals interactions in layered transition metal dichalcogenides from pressure-enhanced valence band splitting".
2017 April:
Congratulations to Prof. Wu for being promoted to Full Professorship!
2017 April:
The group says goodbye to Dr. Ke Shen, who becomes a professor in Hunan University China; the group welcomes Mr. Houfu Song, a visiting PhD student from Tsinghua-Berkeley Shenzhen Institute China!
Congratulations to Sarah for winning the prestigious NDSEG Fellowship from the Department of Defense!
2017 April:
Congratulations to Penghong for winning the prestigious Jane Lewis Fellowship from the College of Engineering!
2017 March:
Yabin et al's paper is accepted for publication at Nano Letters! Congratulations! "Temperature-Pressure phase diagram of vanadium dioxide".
2017 March:
Bivas et al's paper is accepted for publication at APL Materials! Congratulations! "Reduction of Adhesion Energy on NEM Relay Metals by Surface Engineering".
2017 January:
The group welcomes two new group members, visiting PhD student Yongqiang Zhang from Xi'an JiaoTong University, and visiting student Zhiquan Yuan from Tsinghua University.
2017 January:
The group says goodbye to two group members, visiting PhD student Kaichen Dong who is returning to Tsinghua University in China, and postdoc Dr. Changhyun Ko who will be a professor at Sookmyung Women's University in Korea. See the photo here!
2016 December:
Sangwook et al's paper is accepted for publication at Science! Congratulations! "Anomalously low electronic thermal conductivity in metallic vanadium dioxide". LBNL news release is here!
2016 November:
Yabin et al's paper is accepted for publication at Nano Letters! Congratulations! "Pressurizing Field-Effect Transistor of Few-Layer MoS2 in a Diamond Anvil Cell".
2016 October:
Bivas et al's paper is accepted for publication at IEDM! Congratulations! "Sub-50 mV NEM Relay Operation Enabled by Self-Assembled Molecular Coating".
2016 September:
The Wu Group welcomes three new members, PhD students Lei Jin and Sarah Warkander, and visiting scholars Ignacio Rey-Stolle and Wenjing Zheng!
2016 July:
Kaichen et al's paper is accepted for publication at Applied Physics Letters! Congratulations! "Stress compensation for arbitrary curvature control in vanadium dioxide phase transition actuators".
2016 July:
Yabin et al's paper is accepted for publication at Applied Physics Letters! Congratulations! "Pressure-induced structural transition and phase diagram of CdxZn1-xO alloys".
2016 June:
Prof. Wu teaches a summer course in the Tsinghua-Berkeley Shenzhen Institute (TBSI), and speaks in the TBSI annual retreat!
2016 March:
Prof. Wu becomes a core-PI in the newly established Tsinghua-Berkeley Shenzhen Institute (TBSI), and is the Deputy Director of its Environment and New Energy Research Center!
2016 February:
The Wu Group welcomes two new members, visiting Postdocs Dr. Chen-Ying Wu, and Dr. Ke Shen from Tsinghua-Berkeley Shenzhen Institute (TBSI)!
2016 February:
The group says farewell to graduating PhD students Joonki Suh and Kevin Wang! They are the 10th and 11th PhDs graduating from the group. Look at the photo here.
2016 January:
Changhyun et al's paper is accepted for publication at Advanced Materials! Congratulations! "Ferroelectrically gated atomically thin transition metal dichalcogenides as non-volatile memory".
2015 December:
Wen et al's paper is accepted for publication at Phys. Rev. B as a Rapid Communications! Congratulations! "Vibrational spectrum renormalization in two-dimensional heterostructures by enforced interlayer coupling".
2015 November:
Our work in collaboration with Prof. Grigoropoulos group is accepted for publication at Adv. Mater.! Congratulations! "Site-specific doping of ultra-thin metal dichalcogenides with laser-assisted local reaction".
2015 November:
The Wu Group welcomes a new member, Postdoc Dr. Huili Liu! We also say farewell to visiting scholar Prof. Qinglin Xia.
2015 October:
Sangwook and Fan et al's paper is accepted for publication at Nature Communications! Congratulations! "Anisotropic in-plane thermal conductivity of black phosphorus nanoribbons at temperatures higher than 100K". LBNL News release is here.
2015 September:
The Wu Group welcomes a new member, PhD student Mr. Penghong Ci!
2015 September:
Prof. Wu is awarded the Outstanding Alumni Award from his alma mater, Peking University in China!
2015 August:
Kai et al's paper is accepted for publication at Adv. Mater.! Congratulations! "Self-passivation of point defects: effects of high-energy particle irradiation on elastic modulus of multilayer graphene".
2015 August:
Our work with collaborators is accepted for publication at Nature Commun.! Congratulations! "Visualizing nanoscale excitonic relaxation properties of disordered edges and grain boundaries in monolayer molybdenum disulfide". LBNL News release is here.
2015 July:
The Wu Group congratulates two graduating members for their new jobs: Dr. Sangwook Lee as a professor in Kyungpook National University in Korea, and Dr. Kai Liu as a professor in Tsinghua University in China!
2015 April:
Joonki et al's paper is accepted for publication at Adv. Mater.! Congratulations! "Simultaneous Enhancement of Electrical Conductivity and Thermopower of Bi2Te3 by Multi-Functionality of Native Defects".
LBNL News release is here, and it is also highlighted at http://science.energy.gov.
2015 January:
Prof. Wu is back to Berkeley from his sabbatical and residency research in Beijing/Singapore!
2014 December:
The Wu Group welcomes a new member, Visiting student Kaichen Dong from Tsinghua University China. Welcome!
2014 November:
Chun et al's paper is accepted for publication at Advanced Optical Materials! Congratulations! "Directly metering light absorption and heat transfer in single nanowires using metal-insulator transition".
2014 November:
Joonki et al's paper is accepted for publication at Nano Lett.! Congratulations! "Doping against the native propensity of MoS2: degenerate hole doping by cation substitution".
2014 October:
The Wu Group welcomes two new members, Visiting Scholars Dr. Qinglin Xia and Dr. Juan F. Sanchez-Royo. Welcome!
2014 September:
The Wu Group welcomes a new member, Dr. Bivas Saha from Purdue as a new postdoc. Welcome!
2014 August:
A paper in collaboration with Prof. Minor is accepted for publication at Nature Communications! Congratulations! "VO2 nanowire-based microthermometer for quantitative evaluation of electron beam heating".
2014 August:
Two recent papers from Kai et al are both accepted for publication at Nano Lett.! Congratulations! "Elastic Properties of Chemical-Vapor-Deposited Monolayer MoS2, WS2, and Their Bilayer Heterostructures", and "Probing Local Strain at MX2-Metal Boundaries with Surface Plasmon Enhanced Raman Scattering".
2014 July:
Prof. Wu speaks at the Peking University Graduation Ceremony 2014 as the alumni representative! See photos here and news in Chinese here!
2014 August:
A paper from Sef and Wen is accepted for publication at Nano Lett.! Congratulations! "Tuning Interlayer Coupling in Large-area Heterostructures with CVD-grown MoS2 and WS2 monolayers".
2014 June:
Sef Tongay is leaving the group to take the job as an Assistant Professor at the Arizona State University. Congratulations Prof. Tongay! See farewell photo here!
2014 May:
A paper by Joonki is accepted for publication at Phys. Rev. B! Congratulations! "Fermi-level stabilization in topological insulators Bi2Se3 and Bi2Te3: origin of the surface electron gas".
2014 May:
Jian Zhou is graduating from the group with a Ph.D. drgree! He is the 6th Berkeley Ph.D. walking out of the Wu group. See farewell photo here!
2014 February:
Prof. Wu will be on sabbatical in Chinese Academy of Sciences and Tsinghua University, Beijing, March-June, and on residency research in Singapore July-December.
Sef et al's paper is accepted for publication at Nature Communications! Congratulations! "Monolayer behaviour in bulk ReS2 due to electronic and vibrational decoupling". See LBNL news release.
2013 November:
Our group welcomes three new members: Prof. Ning Wang (visiting Professor), Dr. Yabin Chen (postdoc) and Dr. Hwan Sung Choe (postdoc)!
2013 October:
Kai et al's paper is accepted for publication at Adv. Mater.! Congratulations! "Powerful, Multifunctional Torsional Micro Muscles Activated by Phase Transition". See LBNL news release.
2013 October:
Deyi et al's paper is accepted for publication at Appl. Phys. Lett.! Congratulations! "Mechanically Modulated Tunneling Resistance in Monolayer MoS2".
2013 September:
Congratulations to Alex on his passing the Qual exam! He will be the 9th Ph.D. graduating from the Wu group!
2013 August:
Sef and Joonki et al's paper is accepted for publication at Sci. Rep.! Congratulations! "Defects activated photoluminescence in two-dimensional semiconductors: interplay between bound, charged, and free excitons". This is also highlighted by Nanotechweb.org.
2013 June:
Congratulations to Kevin on his passing Qual exam! He will be the 8th Ph.D. graduating from the Wu group!
2013 April:
Sef and Jian et al's paper is accepted for publication at Nano Lett.! Congratulations! "Broad-range modulation of light emission in two-dimensional semiconductors by molecular physi-sorption gating". News release here.
2013 March:
The group says goodbye to our two members, Chun Cheng and Tyler Matthews. Congratulations to you on your new position! Look at the farewell photo here.
2013 March:
Sangwook et al's paper is accepted for publication at J. Am. Chem. Soc.! Congratulations! "Axially Engineered Metal-Insulator Phase Transition by Graded Doping VO2 Nanowires".
2013 February:
Our collaborated work with Chinese Academy of Sciences is accepted for publication at Carbon! Congratulations! "Stable p- and n-type doping of few-layer graphene/graphite".
2013 January:
Kevin et al's paper is accepted for publication at ACS Nano! Congratulations! "Performance limits of micro-actuation with vanadium dioxide as a solid engine".
2013 January:
Deyi and Kai et al's paper is accepted for publication at J. Appl. Phys.! Congratulations! "Comprehensive Study of the Metal-Insulator Transition in Pulsed Laser Deposited Epitaxial VO2 Thin Films".
2012 December:
Congratulations to Joonki on passing his Qual exam! He will be the 7th Ph.D. graduating from the Wu group.
2012 November:
Kai et al's paper is accepted for publication at Nano Lett.! Congratulations! "Dense Electron System from Gate-Controlled Surface Metal-Insulator Transition".
2012 November:
Kai et al's paper is accepted for publication at Nano Lett.! Congratulations! "Giant-Amplitude, High-Work Density Microactuators with Phase Transition Activated Nanolayer Bimorphs". News release here, also featured at http://science.energy.gov/.
2012 October:
Sef and Jian et al's paper is accepted for publication at Nano Lett.! Congratulations! "Thermally driven crossover from indirect toward direct bandgap in 2D semiconductors: MoSe2 versus MoS2". News release here.
2012 September:
Our work with collaborators Prof. Ruan at Michigan State University is accepted for publication at Phys. Rev. Lett.! Congratulations! "Decoupling of structural and electronic phase transitions in VO2".
2012 August:
Work by Jian et al is accepted for publication at J. Appl. Phys.! Congratulations! "Directed Assembly of Nano-scale Phase Variants in Highly Strained BiFeO3 Thin Films".
2012 June:
Junqiao Wu is promoted to tenured Associate Professor! Congratulations and thanks to all past and current group members!
2012 May:
Congratulations to Alejandro on his commencement, the 4th PhD from the Wu Group! Look at the photo here.
2012 May:
The Wu Group welcomes a new postdoc, Dr. Changhyun Ko!
2012 April:
Prof. Wu and co-workers' paper on InN published in 2002 is among the top 50 most cited papers in Applied Physics Letters' 50 years of history! "Unusual properties of the fundamental band gap of InN", Wu et al, Appl. Phys. Lett. 80, 3967 (2002).
2012 February:
Chun and Kai's paper is accepted for publication at Appl. Phys. Lett.! Congratulations! "Ultra-long, Free-standing, Single-Crystalline Vanadium Dioxide Micro/ Nanowires Grown by Simple Thermal Evaporation".
2012 February:
The Wu Group welcomes a new postdoc, Dr. Sef Tongay!
2012 January:
Tyler's paper is accepted for publication at Phys. Rev. Lett.! Congratulations! "Large Reaction Rate Enhancement in Formation of Ultra-Thin AuSi Eutectic Layer". See LBNL news report.
2011 December:
Congratulations to Tyler on his passing of the Qual exam! He will be the 5th Ph.D. graduating from the Wu group.
2011 December:
The Wu Group welcomes a new visiting Postdoc, Dr. Sangwook Lee!
2011 November:
Joanne's paper is accepted for publication at Appl. Phys. Lett.! Congratulations! "Mismatched Alloy Nanowires for Electronic Structure Tuning".
2011 November:
Chun and Wen's paper is accepted for publication at ACS Nano! Congratulations! "Heat Transfer across the Interface between Nanoscale Solids and Gas".
2011 October:
The Wu Group welcomes a new graduate student, Kelvin Lo!
2011 July:
Deyi et al's paper is accepted for publication at Nano Letters! Congratulations! "Electrothermal Dynamics of Semiconductor Nanowires under Local Carrier Modulation".
2011 July:
Jan and Deyi et al's paper is accepted to be published at Physical Review Letters! Congratulations!"Efficient photovoltaic current generation at ferroelectric domain walls".
2011 July:
Deyi's paper on electrothermally driven current vortices is selected as a featured story at the Physical Review Focus by the American Physical Society. Physical Review Focus selects only four papers each month out of all physical review journals. Congratulations!
2011 June:
Congratulations to Devesh and Joanne on their graduation! They are the first Ph.Ds the Wu group has graduated. Look at the photo of the farewell dinner here.
2011 June:
Congratulations to Devesh and co-authors on their paper accepted by J. Appl. Phys: "Decoupling Single Nanowire Mobilities Limited by Surface Scattering and Bulk Impurity Scattering"!
2011 June:
Congratulations to Deyi and co-authors on their paper accepted by Phys. Rev. B: "Electrothermally Driven Current Vortices in Inhomogeneous Bipolar Semiconductors"!
2011 May:
Congratulations to Greg on his commencement! Look at the photo here.
2011 May:
Prof. Wu is one of the 65 winners of the prestigious DOE Early Career Award selected from 1150 applicants nation-wide! Thanks to the contributions of all group members!
2011 May:
Congratulations to Wen and co-authors on their paper accepted by Phys. Rev. B: "Large Kinetic Asymmetry in Twin Wall-Mediated Metal-Insulator Phase Transition"!
2011 April:
We welcome a new postdoc, Dr. Chun Cheng!
2011 April:
Congratulations to Alejandro on passing is Qual exam!
Prof. Wu has won the NSF CAREER Award from NSF's Division of Materials Research! The CAREER Award is the most prestigious award from NSF supporting junior faculty.
2011 February:
We welcome a new postdoc, Dr. Kai Liu!
2010 December:
Congratulations to Alejandro and co-authors on their paper accepted by Appl. Phys. Lett.: "Effects of point defects on thermal and thermoelectric properties of InN"!
2010 October:
Congratulations to Jinbo and co-authors on their paper accepted by J. Appl. Phys.: "Colossal Thermal-Mechanical Actuation via Phase Transition in VO2 Microcantilevers"!
2010 October:
Congratulations to Alejandro and co-authors on their paper accepted by Appl. Phys. Lett.: "GaN1-xBix: Extremely Mismatched Semiconductor Alloys"!
2010 June:
Congratulations to Jinbo and co-authors on their paper accepted by Nano Lett.: "Extended Mapping and Exploration of the Vanadium Dioxide Stress-Temperature Phase Diagram"!
2010 May:
Joanne and Devesh graduate with PhD Degree. Congratulations Dr. Yim and Dr. Khanal! Look at the photo here.
2009 December:
Congratulations on our thermoelectrics paper collaborated with Prof. Grossman's Group accepted by Phys. Rev. Lett.: "Enhancing thermoelectric power factor with highly mismatched isoelectronic doping"! The paper is here and the news release is here.
2009 December:
Congratulations to Wen and Simon on their paper accepted by Phys. Rev. B as a Rapid Communication: "Superelastic Metal-Insulator Phase Transition in Single-Crystal Vanadium Dioxide Nanobeams"!
2009 November:
Congratulations to Greg on his paper accepted by Solar Energy Materials and Solar Cells: "Finite Element Simulations of Compositionally Graded InGaN Solar Cells"!
2009 November:
Congratulations to Joanne on passing her Qualifying exam! The second in the Wu group!
2009 October:
Congratulations to Joanne and Deirdre on their paper accepted at Nano Research: "Synthesis and ex-situ doping of ZnTe and ZnSe nanostructures with extreme aspect ratios"!
2009 October:
Congratulations to Devesh on his paper accepted at Appl. Phys. Lett.: "Determining surface Fermi level pinning position of InN nanowires using electrolyte gating"!
2009 October:
The Wu group Welcomes a new member, Mr. Alex Luce, a Ph.D. student co-advised by Profs. Wu and O. D. Dubon. Welcome!
2009 October:
Congratulations to Jinbo and Wen on their paper accepted at Nano Lett.: "Thermoelectric Effect across the Metal-Insulator Domain Walls in VO2 Microbeams"!
2009 September:
Congratulations to Devesh on passing his Qualifying exam! The first in the Wu group!
2009 September:
The Wu group Welcomes a new member, Mr. Deyi Fu, a visiting Ph.D. student from Nanjing University, China.
2009 September:
Congratulations to Joanne on her paper accepted at J. Am. Chem. Soc.: "Sublimation of GeTe nanowires and evidence of its size effect studied by in situ TEM"!
2009 August:
Our paper first-authored by Jinbo is accepted for publication at Nature Nanotechnology: "Strain engineering and one-dimensional organization of metal-insulator domains in single-crystal VO2 beams"! Congratulations! LBNL News release is here and the paper is here. This paper is also selected as the cover highlight of the November 2009 issue of Nature Nanotech.
2009 August:
The Wu group welcomes four new members, Jian Zhou (graduate), Alvin Tang (undergraduate), Deirdre Chen (undergraduate) and Cydnee Ng (high-school).
2008 August:
The Wu group welcomes a new member, Alejandro Levander.
2008 June:
The Wu group welcomes two new members, Tyler Matthews and Yi He.
2008 April 8:
Congratulations to Greg on passing the prelim exam!
2007 October 2:
Welcome, Jinbo Cao!
2007 August 22:
Welcome, Greg Brown!
2007 August 15:
New paper by D. Khanal, et. al, Nano Lett.: "Gate Coupling and Charge Distribution in Nanowire Field Effect Transistors"!
2007 August 01:
Welcome, Dr. Bin Xiang!
2007 July 10:
New paper by Joanne Yim et. al, Phys. Rev. B, Rapid Commun.:"Effects of Surface States on Electrical Characteristics of InN and InGaN"!
2007 March 13:
Our first group paper is accepted for publication in Nano Letters: "Effects of Quantum Confinement on the Doping Limit of Semiconductor Nanowires"!
2007 January 30:
Welcome, Patrick Flanigan!
2006 November 15:
Welcome to the Wu group, Kevin Wang!
2006 November 14:
Congratulations on passing your preliminary exam, Mr. Khanal and Mr. Speaks!
2006 October 09:
The Wu group welcomes our newest graduate student, Derrick Speaks!
2006 August 22:
Inauguration of the Wu group at UC Berkeley with three founding members: Prof. Wu, Devesh Khanal, and Joanne Yim.
