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Journal Articles

X-Ray Induced Chemical Reaction Revealed by In Situ X-Ray Diffraction and Scanning X-Ray Microscopy in 15 nm Resolution

Mingyuan Ge, Wenjun Liu, David C. Bock, Vincent De Andrade, Hanfei Yan, Xiaojing Huang, Kenneth J. Takeuchi, Amy C. Marschilok, Esther S. Takeuchi, Huolin Xin, Yong S. Chu
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. November 2022, 19(4): 041009.
Paper No: JEECS-22-1031
https://doi.org/10.1115/1.4054952
Published Online: July 18, 2022
View Articletitled, X-Ray Induced Chemical Reaction Revealed by In Situ X-Ray Diffraction and Scanning X-Ray Microscopy in 15 nm Resolution
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Topics: X-rays, Microscopy, Crystals, Chemical reactions, X-ray diffraction, Diffraction, Resolution (Optics)
Includes: Supplementary data
Journal Articles

Chaotic Behavior and Its Control in a Fractional-Order Energy Demand–Supply System

Dongqin Chen, Wenjun Liu
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. November 2016, 11(6): 061010.
Paper No: CND-16-1138
https://doi.org/10.1115/1.4034048
Published Online: July 22, 2016
View Articletitled, Chaotic Behavior and Its Control in a Fractional-Order Energy Demand–Supply System
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Topics: Algorithms, Attractors, Chaos, Computer simulation, Energy resources, Equilibrium (Physics), Feedback, China
Proceedings Papers

Heat Conduction Across Corrugated Thermal Interface

Bozhi Yang, Wenjun Liu
Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2, 277-281, July 8–12, 2007
Publisher: American Society of Mechanical Engineers
Paper No: HT2007-32112
https://doi.org/10.1115/HT2007-32112
View Paper titled, Heat Conduction Across Corrugated Thermal Interface
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Topics: Heat conduction, Geometry, Heat transfer, Computer simulation, Design, Eigenfunctions, Finite element methods, Finite element model, Interfacial thermal resistance, Simulation
Proceedings Papers

Analysis of the Performance of Ionic Liquids in Cooling Loops

Mihir Sen, Samuel Paolucci, Wenjun Liu
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 655-661, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-42225
https://doi.org/10.1115/IMECE2007-42225
View Paper titled, Analysis of the Performance of Ionic Liquids in Cooling Loops
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Topics: Cooling, Fluids, Heat, Heat exchangers, Heating, High temperature, Laminar flow, Low temperature, Pipes, Pressure
Proceedings Papers

Thermal Conduction in Ultra-Thin Pure and Doped Single Crystal Silicon Layers at High Temperatures

Wenjun Liu, Mehdi Asheghi
Proc. ASME. HT2005, Heat Transfer: Volume 4, 821-827, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: HT2005-72540
https://doi.org/10.1115/HT2005-72540
View Paper titled, Thermal Conduction in Ultra-Thin Pure and Doped Single Crystal Silicon Layers at High Temperatures
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Topics: Crystals, Heat conduction, High temperature, Silicon, Thermal conductivity
Proceedings Papers

Investigation of the Accuracy and Spatial Resolution of Scanning Thermal Microscopy (SThM) Technique

Hsinyi Lo, Wenjun Liu, Mehdi Asheghi
Proc. ASME. HT2005, Heat Transfer: Volume 1, 71-77, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: HT2005-72327
https://doi.org/10.1115/HT2005-72327
View Paper titled, Investigation of the Accuracy and Spatial Resolution of Scanning Thermal Microscopy (SThM) Technique
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Topics: Microscopy, Resolution (Optics), Probes, Thermocouples, Bridges (Structures), Computer simulation, Dimensions, Errors, Heat conduction, Industrial research
Proceedings Papers

A Novel Scheme in Thermal Modeling of Printed Circuit Boards

Wenjun Liu, Min-Young Lee, Younes Shabany, Mehdi Asheghi
Proc. ASME. InterPACK2005, Advances in Electronic Packaging, Parts A, B, and C, 385-391, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2005-73268
https://doi.org/10.1115/IPACK2005-73268
View Paper titled, A Novel Scheme in Thermal Modeling of Printed Circuit Boards
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Topics: Modeling, Printed circuit boards, Thermal resistance
Proceedings Papers

Thermal Characterization of Silicon Nanowires

Wenjun Liu, Yizhang Yang, Mehdi Asheghi
Proc. ASME. NANO2005, Design, Synthesis, and Applications, 53-54, September 12–14, 2005
Publisher: American Society of Mechanical Engineers
Paper No: NANO2005-87063
https://doi.org/10.1115/NANO2005-87063
View Paper titled, Thermal Characterization of Silicon Nanowires
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Topics: Nanowires, Silicon, Thermal characterization, Phonons, Dispersion relations, Electromagnetic scattering, Radiation scattering, Scattering (Physics), Crystals, Density
Journal Articles

Dislocation Density Tensor Characterization of Deformation Using 3D X-Ray Microscopy

B. C. Larson, J. Z. Tischler, Anter El-Azab, Wenjun Liu
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2008, 130(2): 021024.
https://doi.org/10.1115/1.2884336
Published Online: April 2, 2008
View Articletitled, Dislocation Density Tensor Characterization of Deformation Using 3D X-Ray Microscopy
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Topics: Deformation, Dislocation density, Dislocations, Microscopy, Resolution (Optics), Tensors, X-rays, Density, Plates (structures)
Proceedings Papers

Thermal Conductivity of Ultra Thin Single Crystal Silicon Layers: Part I — Experimental Measurements at Room and Cryogenic Temperatures

Wenjun Liu, Mehdi Asheghi
Proc. ASME. IMECE2004, Heat Transfer, Volume 2, 273-280, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-62105
https://doi.org/10.1115/IMECE2004-62105
View Paper titled, Thermal Conductivity of Ultra Thin Single Crystal Silicon Layers: Part I — Experimental Measurements at Room and Cryogenic Temperatures
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Topics: Crystals, Silicon, Temperature, Thermal conductivity, Heating, Phonons, Data storage systems, Density, Electrical resistance, Electromagnetic scattering
Proceedings Papers

Effect of Phonon Dispersion on Transport Properties of Single-Crystalline Dielectrics

Mehdi Asheghi, Wenjun Liu, K. E. Goodson
Proc. ASME. IMECE2004, Electronic and Photonic Packaging, Electrical Systems Design and Photonics, and Nanotechnology, 113-123, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-62244
https://doi.org/10.1115/IMECE2004-62244
View Paper titled, Effect of Phonon Dispersion on Transport Properties of Single-Crystalline Dielectrics
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Topics: Dielectric materials, Phonons, Thermal conductivity, Diamonds, Modeling, Silicon, Approximation, Density, Electromagnetic scattering, Germanium
Proceedings Papers

Thermal Conductivity of Ultra Thin Single Crystal Silicon Layers: Part II — Experimental Data and Modeling at High Temperatures

Wenjun Liu, Mehdi Asheghi, K. E. Goodson
Proc. ASME. IMECE2004, Heat Transfer, Volume 2, 181-189, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-62107
https://doi.org/10.1115/IMECE2004-62107
View Paper titled, Thermal Conductivity of Ultra Thin Single Crystal Silicon Layers: Part II — Experimental Data and Modeling at High Temperatures
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Topics: Crystals, High temperature, Modeling, Silicon, Thermal conductivity, Silicon-on-insulator, Simulation, Temperature, Transistors, Algebra
Proceedings Papers

Thermal Transport in Novel Silicon Transistors

Keivan Etessam-Yazdani, Wenjun Liu, Yizhang Yang, Mehdi Asheghi
Proc. ASME. IMECE2004, Heat Transfer, Volume 2, 297-306, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-62238
https://doi.org/10.1115/IMECE2004-62238
View Paper titled, Thermal Transport in Novel Silicon Transistors
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Topics: Silicon, Transistors, Silicon-on-insulator, Gates (Closures), Thermal conductivity, Complementary metal oxide semiconductors, Heating, Interface roughness, Nanoscale phenomena, Phonons
Journal Articles

Thermal Conductivity Measurements of Ultra-Thin Single Crystal Silicon Layers

Wenjun Liu, Mehdi Asheghi
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. January 2006, 128(1): 75–83.
https://doi.org/10.1115/1.2130403
Published Online: June 24, 2005
View Articletitled, Thermal Conductivity Measurements of Ultra-Thin Single Crystal Silicon Layers
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Topics: Silicon, Thermal conductivity, Temperature, Phonons, Uncertainty