Applied physics letters, ISSN 0003-6951, 2014, Volume 104, Issue 8

.... Based on the MD data, a method is developed to construct the c-axis thermal conductivity as an accumulation function of phonon mean free path (MFP...

LAYER GRAPHENE | MOLECULAR-DYNAMICS | TRANSPORT | PHYSICS, APPLIED | FILMS | THERMAL-CONDUCTIVITY | HEAT-CONDUCTION | PYROLYTIC-GRAPHITE | Thin films | Thickness | Mean free path | Graphite | Phonons | Molecular dynamics | Conductivity | Thermal conductivity | Kinetic theory | Heat conductivity | Heat transfer | PHONONS | MOLECULAR DYNAMICS METHOD | THIN FILMS | MEAN FREE PATH | CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY | GRAPHITE | TEMPERATURE RANGE 0273-0400 K | THERMAL CONDUCTIVITY | THICKNESS

LAYER GRAPHENE | MOLECULAR-DYNAMICS | TRANSPORT | PHYSICS, APPLIED | FILMS | THERMAL-CONDUCTIVITY | HEAT-CONDUCTION | PYROLYTIC-GRAPHITE | Thin films | Thickness | Mean free path | Graphite | Phonons | Molecular dynamics | Conductivity | Thermal conductivity | Kinetic theory | Heat conductivity | Heat transfer | PHONONS | MOLECULAR DYNAMICS METHOD | THIN FILMS | MEAN FREE PATH | CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY | GRAPHITE | TEMPERATURE RANGE 0273-0400 K | THERMAL CONDUCTIVITY | THICKNESS

Journal Article

Journal of alloys and compounds, ISSN 0925-8388, 2017, Volume 695, pp. 3191 - 3197

The half value layer (HVL) and mean free path (MFP) of tellurite glasses with different forming oxides...

Buildup factor | Tellurite glasses | WinXCom | Half value layer | Mean free bath | MATERIALS SCIENCE, MULTIDISCIPLINARY | METALLURGY & METALLURGICAL ENGINEERING | CHEMISTRY, PHYSICAL | RAMAN | GAMMA-RAY | SHIELDING PARAMETERS | RAY ATTENUATION COEFFICIENTS | MASS ATTENUATION | PENETRATION DEPTH | ABSORPTION | INCIDENT PHOTON ENERGY | PROGRESSION | Radiation | Fluorides | Oxides

Buildup factor | Tellurite glasses | WinXCom | Half value layer | Mean free bath | MATERIALS SCIENCE, MULTIDISCIPLINARY | METALLURGY & METALLURGICAL ENGINEERING | CHEMISTRY, PHYSICAL | RAMAN | GAMMA-RAY | SHIELDING PARAMETERS | RAY ATTENUATION COEFFICIENTS | MASS ATTENUATION | PENETRATION DEPTH | ABSORPTION | INCIDENT PHOTON ENERGY | PROGRESSION | Radiation | Fluorides | Oxides

Journal Article

Journal of Physics D: Applied Physics, ISSN 0022-3727, 03/2011, Volume 44, Issue 12, p. 125502

We present the results of investigations into the distribution of molecular free paths in rarefied gases using molecular dynamics simulations...

ARBITRARY GEOMETRIES | DYNAMICS | PHYSICS, APPLIED | PARALLEL

ARBITRARY GEOMETRIES | DYNAMICS | PHYSICS, APPLIED | PARALLEL

Journal Article

Surface and Interface Analysis, ISSN 0142-2421, 01/2017, Volume 49, Issue 1, pp. 4 - 10

The most established approach for ‘practical’ calculations of the inelastic mean free path (IMFP) of low‐energy electrons (~10 eV to ~10 keV...

electron interactions | dielectric function | inelastic mean free path | CROSS-SECTIONS | STOPPING POWERS | CHEMISTRY, PHYSICAL | OPTICAL-DATA | COLLISIONS | METALS | SOLIDS | LIQUID WATER | DENSITY-FUNCTIONAL THEORY | SCATTERING | Low energy | Screening | Interface analysis | Approximation | Mean free path | Mathematical analysis | Mathematical models | Born approximation

electron interactions | dielectric function | inelastic mean free path | CROSS-SECTIONS | STOPPING POWERS | CHEMISTRY, PHYSICAL | OPTICAL-DATA | COLLISIONS | METALS | SOLIDS | LIQUID WATER | DENSITY-FUNCTIONAL THEORY | SCATTERING | Low energy | Screening | Interface analysis | Approximation | Mean free path | Mathematical analysis | Mathematical models | Born approximation

Journal Article

Journal of physics. Condensed matter, ISSN 0953-8984, 04/2017, Volume 29, Issue 21, p. 215501

Knowledge of electron inelastic mean free paths (IMFPs) is important for electron spectroscopy and microscopy studies...

energy-loss function | time-dependent density-functional theory | adiabatic local-density approximation | inelastic mean free path | PHYSICS, CONDENSED MATTER | EXCITATIONS | STOPPING POWERS | ELEMENTAL SOLIDS | LIFETIMES | TRANSMISSION | TRANSPORT | SPECTROSCOPY | DYNAMICS | SCATTERING | RANGE

energy-loss function | time-dependent density-functional theory | adiabatic local-density approximation | inelastic mean free path | PHYSICS, CONDENSED MATTER | EXCITATIONS | STOPPING POWERS | ELEMENTAL SOLIDS | LIFETIMES | TRANSMISSION | TRANSPORT | SPECTROSCOPY | DYNAMICS | SCATTERING | RANGE

Journal Article

Proceedings of the National Academy of Sciences - PNAS, ISSN 1091-6490, 2018, Volume 115, Issue 5, pp. 879 - 884

... a promising way to improve the thermoelectric figure of merit ( ) by means of reducing the characteristic length of the nanostructure, which relies on the belief that phonons’ mean free paths (MFPs...

Thermoelectrics | Dirac material | Electron mean-free-path filtering | Electron–phonon interactions | Nanostructuring approach | MULTIDISCIPLINARY SCIENCES | nanostructuring approach | SNTE | BAND-STRUCTURE | electron-phonon interactions | thermoelectrics | ENHANCEMENT | MERIT | electron mean-free-path filtering | FIGURE | EFFICIENCY | INDIUM | Models | Research | Engineering research | Thermoelectricity | Nanotechnology | electron–phonon interactions | ENGINEERING | Physical Sciences

Thermoelectrics | Dirac material | Electron mean-free-path filtering | Electron–phonon interactions | Nanostructuring approach | MULTIDISCIPLINARY SCIENCES | nanostructuring approach | SNTE | BAND-STRUCTURE | electron-phonon interactions | thermoelectrics | ENHANCEMENT | MERIT | electron mean-free-path filtering | FIGURE | EFFICIENCY | INDIUM | Models | Research | Engineering research | Thermoelectricity | Nanotechnology | electron–phonon interactions | ENGINEERING | Physical Sciences

Journal Article

Applied Physics Letters, ISSN 0003-6951, 04/2016, Volume 108, Issue 17, p. 172901

We show that the dielectric approach can determine electron inelastic mean free paths in materials with an accuracy equivalent to those from first-principle calculations in the GW approximation of many-body theory...

FINE STRUCTURE | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | MANY-BODY PROBLEM | EV RANGE | COPPER | LIFETIME | ACCURACY | PHOTOELECTRON SPECTROSCOPY | TIME RESOLUTION | MEAN FREE PATH | PHOTOEMISSION | ABSORPTION | DIELECTRIC MATERIALS

FINE STRUCTURE | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | MANY-BODY PROBLEM | EV RANGE | COPPER | LIFETIME | ACCURACY | PHOTOELECTRON SPECTROSCOPY | TIME RESOLUTION | MEAN FREE PATH | PHOTOEMISSION | ABSORPTION | DIELECTRIC MATERIALS

Journal Article

Physical review letters, ISSN 0031-9007, 03/2017, Volume 118, Issue 9, p. 096601

...)films and a photo-Hall response involving the bulk photovoltaic current reveal a large room-temperature mean free path of photogenerated nonthermalized electrons...

CRYSTALS | GRAPHENE | GAS | PHASE | PHYSICS, MULTIDISCIPLINARY | CARBON NANOTUBES | Solar cells | Current carriers | Ferroelectricity | Ferroelectric materials | Semiconductors | Mean free path | Photovoltaic cells | Carrier transport

CRYSTALS | GRAPHENE | GAS | PHASE | PHYSICS, MULTIDISCIPLINARY | CARBON NANOTUBES | Solar cells | Current carriers | Ferroelectricity | Ferroelectric materials | Semiconductors | Mean free path | Photovoltaic cells | Carrier transport

Journal Article

Ultramicroscopy, ISSN 0304-3991, 12/2014, Volume 147, pp. 21 - 24

The electron mean-free-path in Si was measured by EELS using the test structure with the certified dimensions as a calibration standard...

Mean free path | TEM | Log-ratio method | EELS | Thickness measurement | STEM | ENERGY-LOSS SPECTROSCOPY | THICKNESS MEASUREMENTS | SPECIMEN-THICKNESS | FOIL THICKNESS | DIFFRACTION | MICROSCOPY

Mean free path | TEM | Log-ratio method | EELS | Thickness measurement | STEM | ENERGY-LOSS SPECTROSCOPY | THICKNESS MEASUREMENTS | SPECIMEN-THICKNESS | FOIL THICKNESS | DIFFRACTION | MICROSCOPY

Journal Article

Journal of Nonlinear Science, ISSN 0938-8974, 6/2018, Volume 28, Issue 3, pp. 833 - 845

For the gas near a solid planar wall, we propose a scaling formula for the mean free path of a molecule as a function of the distance from the wall, under the assumption of a uniform distribution...

Knudsen boundary layer | 82D05 | Mean free path | Analysis | Theoretical, Mathematical and Computational Physics | Shear flow | Classical Mechanics | Mathematical and Computational Engineering | Economic Theory/Quantitative Economics/Mathematical Methods | 82B40 | Mathematics | 76N20 | MATHEMATICS, APPLIED | MECHANICS | PHYSICS, MATHEMATICAL

Knudsen boundary layer | 82D05 | Mean free path | Analysis | Theoretical, Mathematical and Computational Physics | Shear flow | Classical Mechanics | Mathematical and Computational Engineering | Economic Theory/Quantitative Economics/Mathematical Methods | 82B40 | Mathematics | 76N20 | MATHEMATICS, APPLIED | MECHANICS | PHYSICS, MATHEMATICAL

Journal Article

Superconductor science & technology, ISSN 1361-6668, 2017, Volume 30, Issue 3, p. 034003

.... The motion equation for a magnetic flux line is solved assuming a bi-dimensional and mean-free-path-dependent Lorentzian-shaped pinning potential...

RF superconductivity | vortex | vortex dissipation | mean free path dependence | vortex dynamics | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | VORTICES | NIOBIUM | FIELD | PINNING FORCE | FLUX | TYPE-2 SUPERCONDUCTORS | MOTION | II SUPERCONDUCTORS | RESISTANCE | DYNAMICS | PARTICLE ACCELERATORS

RF superconductivity | vortex | vortex dissipation | mean free path dependence | vortex dynamics | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | VORTICES | NIOBIUM | FIELD | PINNING FORCE | FLUX | TYPE-2 SUPERCONDUCTORS | MOTION | II SUPERCONDUCTORS | RESISTANCE | DYNAMICS | PARTICLE ACCELERATORS

Journal Article

The Journal of chemical physics, ISSN 0021-9606, 06/2015, Volume 142, Issue 22, p. 224304

We propose angle-resolved photoelectron spectroscopy of aerosol particles as an alternative way to determine the electron mean free path of low energy electrons in solid and liquid materials...

LOW-ENERGY ELECTRONS | NACL NANOPARTICLES | CLUSTERS | SOLVATED ELECTRONS | ATTENUATION LENGTHS | PHOTOEMISSION | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | LIGHT-SCATTERING | ALKALI-HALIDES | ULTRAVIOLET | DISCRETE DIPOLE APPROXIMATION | Mean free path | Computer simulation | Potassium chloride | Photoelectron spectroscopy | Thin films | Anisotropy | Spectrum analysis | Particle physics | Size effects | Aerosols | Photoelectrons | Kinetic energy | Photoelectric emission | Electrons | PARTICLE SIZE | AEROSOLS | PARTICLES | THIN FILMS | ELECTRONS | INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY | ANISOTROPY | COMPUTERIZED SIMULATION | PHOTOELECTRON SPECTROSCOPY | KINETIC ENERGY | MEAN FREE PATH | SOLIDS | POTASSIUM CHLORIDES | LIQUIDS

LOW-ENERGY ELECTRONS | NACL NANOPARTICLES | CLUSTERS | SOLVATED ELECTRONS | ATTENUATION LENGTHS | PHOTOEMISSION | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | LIGHT-SCATTERING | ALKALI-HALIDES | ULTRAVIOLET | DISCRETE DIPOLE APPROXIMATION | Mean free path | Computer simulation | Potassium chloride | Photoelectron spectroscopy | Thin films | Anisotropy | Spectrum analysis | Particle physics | Size effects | Aerosols | Photoelectrons | Kinetic energy | Photoelectric emission | Electrons | PARTICLE SIZE | AEROSOLS | PARTICLES | THIN FILMS | ELECTRONS | INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY | ANISOTROPY | COMPUTERIZED SIMULATION | PHOTOELECTRON SPECTROSCOPY | KINETIC ENERGY | MEAN FREE PATH | SOLIDS | POTASSIUM CHLORIDES | LIQUIDS

Journal Article

Journal of structural biology, ISSN 1047-8477, 11/2015, Volume 192, Issue 2, pp. 287 - 296

.... Accurate electron mean free path plays a significant role in modeling image formation process essential for simulation of electron microscopy images and model-based iterative 3-D reconstruction methods...

Electron tomography | Nonlinear least square optimization | Inelastic scattering | Mean free path | ION-BEAM | CRYOELECTRON MICROSCOPY | RECONSTRUCTION | BIOCHEMISTRY & MOLECULAR BIOLOGY | ICE | CELL BIOLOGY | BIOPHYSICS | SLICE THICKNESS | ALIGNMENT | HIGH-RESOLUTION | FIB | Fibroblasts - virology | Cell Line | Cricetinae | Sindbis Virus | Animals | Electron Microscope Tomography - methods | Imaging, Three-Dimensional - methods | Nodaviridae | Macromolecular Substances - analysis | Cryoelectron Microscopy - methods | Drosophila - virology | Laws, regulations and rules | Analysis | Beer | nonlinear least square optimization | electron tomography | mean free path | inelastic scattering

Electron tomography | Nonlinear least square optimization | Inelastic scattering | Mean free path | ION-BEAM | CRYOELECTRON MICROSCOPY | RECONSTRUCTION | BIOCHEMISTRY & MOLECULAR BIOLOGY | ICE | CELL BIOLOGY | BIOPHYSICS | SLICE THICKNESS | ALIGNMENT | HIGH-RESOLUTION | FIB | Fibroblasts - virology | Cell Line | Cricetinae | Sindbis Virus | Animals | Electron Microscope Tomography - methods | Imaging, Three-Dimensional - methods | Nodaviridae | Macromolecular Substances - analysis | Cryoelectron Microscopy - methods | Drosophila - virology | Laws, regulations and rules | Analysis | Beer | nonlinear least square optimization | electron tomography | mean free path | inelastic scattering

Journal Article

Journal of heat transfer, ISSN 0022-1481, 07/2015, Volume 137, Issue 7, p. 071302

.... First, while the scattering times and dispersion curves are unknown for most materials, the phonon mean free path (MFP...

thermoelectrics | Boltzmann transport equation | heat transfer | THERMODYNAMICS | SILICON | THERMAL-CONDUCTIVITY | ENGINEERING, MECHANICAL | Usage | Research | Mean free path (Physics) | Transport theory | Nanotechnology | Phonons | Computer simulation | Mathematical models | Dispersions | Transport | Nanostructured materials | Heat transfer

thermoelectrics | Boltzmann transport equation | heat transfer | THERMODYNAMICS | SILICON | THERMAL-CONDUCTIVITY | ENGINEERING, MECHANICAL | Usage | Research | Mean free path (Physics) | Transport theory | Nanotechnology | Phonons | Computer simulation | Mathematical models | Dispersions | Transport | Nanostructured materials | Heat transfer

Journal Article

Surface and interface analysis, ISSN 1096-9918, 2019, Volume 51, Issue 6, pp. 627 - 640

We present detailed comparisons of calculated inelastic mean‐free paths (IMFPs) of electrons with energies up to 10...

inelastic mean‐free path | Mermin method | finite plasmon lifetime | full Penn algorithm method | CHEMISTRY, PHYSICAL | inelastic mean-free path | Mathematical models | Algorithms | Electron energy | Dependence

inelastic mean‐free path | Mermin method | finite plasmon lifetime | full Penn algorithm method | CHEMISTRY, PHYSICAL | inelastic mean-free path | Mathematical models | Algorithms | Electron energy | Dependence

Journal Article

New journal of physics, ISSN 1367-2630, 2017, Volume 19, Issue 1, p. 013011

A thorough understanding of the mean-free-path (MFP) distribution of the energy carriers is crucial to engineer and tune the transport properties of materials...

spin-diffusion-length | MFPdistribution | magnon mean-free-path | TRANSPORT | TEMPERATURE | PHYSICS, MULTIDISCIPLINARY | THERMAL-CONDUCTIVITY | SPECTRA | MFPdistribution Supplementary material for this article is available online | Thin films | Reconstruction | Yttrium-iron garnet | Algorithms | Transport properties | Energy distribution | Phonons | Yttrium | Magnons | Material properties | Thickness measurement | Physics - Materials Science

spin-diffusion-length | MFPdistribution | magnon mean-free-path | TRANSPORT | TEMPERATURE | PHYSICS, MULTIDISCIPLINARY | THERMAL-CONDUCTIVITY | SPECTRA | MFPdistribution Supplementary material for this article is available online | Thin films | Reconstruction | Yttrium-iron garnet | Algorithms | Transport properties | Energy distribution | Phonons | Yttrium | Magnons | Material properties | Thickness measurement | Physics - Materials Science

Journal Article

17.
Full Text
Measurement of the hot electron mean free path and the momentum relaxation rate in GaN

Applied physics letters, ISSN 1077-3118, 2014, Volume 105, Issue 26, p. 263506

We present a method for measuring the mean free path and extracting the momentum relaxation time of hot electrons in GaN using the hot electron transistor (HET...

TRANSPORT | ENERGY | PHYSICS, APPLIED | GAAS | PHONONS | VELOCITY | TRANSISTORS | ELECTRONS | RELAXATION TIME | ELECTRIC CURRENTS | MEAN FREE PATH | CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY | ELECTRONIC STRUCTURE | SCATTERING | GALLIUM NITRIDES

TRANSPORT | ENERGY | PHYSICS, APPLIED | GAAS | PHONONS | VELOCITY | TRANSISTORS | ELECTRONS | RELAXATION TIME | ELECTRIC CURRENTS | MEAN FREE PATH | CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY | ELECTRONIC STRUCTURE | SCATTERING | GALLIUM NITRIDES

Journal Article

18.
Full Text
Advances in Studying Phonon Mean Free Path Dependent Contributions to Thermal Conductivity

Nanoscale and microscale thermophysical engineering, ISSN 1556-7273, 2015, Volume 19, Issue 3, pp. 183 - 205

.... When the characteristic dimension is commensurate to the mean free paths of thermal energy carriers, the thermal conductivity decreases...

accumulation | spectroscopy | TTG | suppression | Boltzmann transport equation | TDTR | mean free path | BB-FDTR | Mean free path | BBFDTR | THIN-FILMS | PHYSICS, APPLIED | THERMOELECTRIC PERFORMANCE | OPTICAL-GENERATION | SILICON NANOWIRES | NANOSCIENCE & NANOTECHNOLOGY | ENGINEERING, MECHANICAL | TIME-DOMAIN THERMOREFLECTANCE | LIGHT-EMITTING-DIODES | THERMODYNAMICS | MATERIALS SCIENCE, CHARACTERIZATION & TESTING | FILM SOLAR-CELLS | ACOUSTIC-WAVES | WAVE-GUIDE MODES | HEAT-CONDUCTION

accumulation | spectroscopy | TTG | suppression | Boltzmann transport equation | TDTR | mean free path | BB-FDTR | Mean free path | BBFDTR | THIN-FILMS | PHYSICS, APPLIED | THERMOELECTRIC PERFORMANCE | OPTICAL-GENERATION | SILICON NANOWIRES | NANOSCIENCE & NANOTECHNOLOGY | ENGINEERING, MECHANICAL | TIME-DOMAIN THERMOREFLECTANCE | LIGHT-EMITTING-DIODES | THERMODYNAMICS | MATERIALS SCIENCE, CHARACTERIZATION & TESTING | FILM SOLAR-CELLS | ACOUSTIC-WAVES | WAVE-GUIDE MODES | HEAT-CONDUCTION

Journal Article

Particle & particle systems characterization, ISSN 0934-0866, 07/2016, Volume 33, Issue 7, pp. 352 - 357

.... The possibility of modifying the light‐transport mean free path in the sample is further discussed, with an approximately tenfold increase being reported.

silica particles | chemical infiltration | scattering media | transport properties | photonic glasses | white paints | LOCALIZATION | MATERIALS SCIENCE, MULTIDISCIPLINARY | SIZE | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | COLLOIDAL CRYSTALS | LASER ACTION | GROWTH | MEDIA | RANGE | WATER | Silica | Silica glass | Mean free path | Glass | On-line systems | Infiltration | Chemical vapor deposition | Silicon dioxide | Photonics

silica particles | chemical infiltration | scattering media | transport properties | photonic glasses | white paints | LOCALIZATION | MATERIALS SCIENCE, MULTIDISCIPLINARY | SIZE | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | COLLOIDAL CRYSTALS | LASER ACTION | GROWTH | MEDIA | RANGE | WATER | Silica | Silica glass | Mean free path | Glass | On-line systems | Infiltration | Chemical vapor deposition | Silicon dioxide | Photonics

Journal Article