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RISInfluence of Inter- and Intraband Transitions to Electron Temperature Decay in Noble Metals After Short-Pulsed Laser Heating
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work examines the effects of photonically induced interband excitations from the d-band to states at the Fermi energy on the electron temperature decay in noble metals. The change in the ...
Contributions of Inter- and Intraband Excitations to Electron Heat Capacity and Electron-Phonon Coupling in Noble Metals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work examines the effects of photonically induced interband excitations from the d-band to states at the Fermi energy on thermophysical properties in noble metals. The change in the electron ...
Examining Interfacial Diffuse Phonon Scattering Through Transient Thermoreflectance Measurements of Thermal Boundary Conductance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Today’s electronic and optoelectronic devices are plagued by heat transfer issues. As device dimensions shrink and operating frequencies increase, ever-increasing amounts of thermal energy are being ...
Thermal Conductivity Measurements on Polycrystalline Silicon Microbridges Using the 3ω Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The thermal performance of microelectromechanical systems devices is governed by the structure and composition of the constituent materials as well as the geometrical design. With the continued ...
Contribution of Ballistic Electron Transport to Energy Transfer During Electron-Phonon Nonequilibrium in Thin Metal Films
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With the ever decreasing characteristic lengths of nanomaterials, nonequilibrium electron-phonon scattering can be affected by additional scattering processes at the interface of two materials. ...
Relative Contributions of Inelastic and Elastic Diffuse Phonon Scattering to Thermal Boundary Conductance Across Solid Interfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The accuracy of predictions of phonon thermal boundary conductance using traditional models such as the diffuse mismatch model (DMM) varies depending on the types of material comprising the ...
Influence of Inelastic Scattering at Metal-Dielectric Interfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thermal boundary conductance is becoming increasingly important in microelectronic device design and thermal management. Although there has been much success in predicting and modeling thermal ...
Anharmonic Phonon Interactions at Interfaces and Contributions to Thermal Boundary Conductance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Continued reduction in characteristic dimensions in nanosystems has given rise to increasing importance of material interfaces on the overall system performance. With regard to thermal transport, ...
On the Linear Temperature Dependence of Phonon Thermal Boundary Conductance in the Classical Limit
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We present a new model for predicting thermal boundary conductance in the classical limit. This model takes a different form than those of the traditionally used mismatch theories in the fact ...
Re-examining Electron-Fermi Relaxation in Gold Films With a Nonlinear Thermoreflectance Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, we examine Fermi relaxation in 20 nm Au films with pump-probe themoreflectance using a thin film, intraband thermoreflectance model. Our results indicate that the Fermi relaxation ...