DC Size Effect and Specular Surface Scattering in Cadmium

1987 ◽  
Vol 26 (S3-1) ◽  
pp. 653 ◽  
Author(s):  
Jacobus Van der Maas ◽  
Robert Huguenin
Keyword(s):  
Size Effect ◽  
Surface Scattering ◽  
Specular Surface

Surface photoeffect with non specular surface scattering of electrons

1982 ◽  
Vol 43 (4) ◽  
pp. 685-689 ◽  
Author(s):  
P. de Andrés ◽  
R. Monreal ◽  
F. Flores ◽  
F. García-Moliner
Keyword(s):  
Surface Scattering ◽  
Specular Surface

scholarly journals Conductivity Size Effect of Square Cross-Section Polycrystalline Nanowires

Materials ◽  
2019 ◽  
Vol 12 (13) ◽  
pp. 2129
Author(s):  
Rui Li ◽  
Lan Mi ◽  
Jian Wang ◽  
Mao Mao ◽  
Wenhua Gu ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Theoretical Model ◽  
Grain Boundary ◽  
Size Effect ◽  
Cross Section ◽  
External Surface ◽  
Surface Scattering ◽  
Boundary Scattering ◽  
Experiment Data ◽  
Carrier Scattering

A theoretical model for the electrical conductivity size effect of square nanowires is proposed in this manuscript, which features combining the three main carrier scattering mechanisms in polycrystalline nanowires together, namely, background scattering, external surface scattering, as well as grain boundary scattering. Comparisons to traditional models and experiment data show that this model achieves a higher correlation with the experiment data.

Thermal and Electrical Conductivities of Polycrystalline Metallic Nanofilms Based on the Kinetic Theory

2008 ◽  
Author(s):  
Bo Feng ◽  
Zhixin Li ◽  
Xing Zhang
Keyword(s):  
Thermal Conductivity ◽  
Electrical Conductivity ◽  
Grain Boundary ◽  
Kinetic Theory ◽  
Size Effect ◽  
Free Path ◽  
Coulomb Blockade ◽  
Mean Free Path ◽  
Surface Scattering ◽  
Inelastic Electron

A model is developed for in-plane thermal conductivity of nanostructured metallic films based on the kinetic theory, which attributes the reduced thermal conductivity to the reduced mean free path of electrons. The partially inelastic electron-surface scattering and grain-boundary impedance by quantum mechanical treatment are elaborately included. Meanwhile, the mean free path of electrons is also used to study in-plane electrical conductivity of nanofilms. Both electrical conductivity and thermal conductivity, varying with film thickness and temperature, are observed to be lower than corresponding bulk values, agreeing well with the experimental data. The grain-boundary scattering is theoretically found to dominate over surface scattering to enhance the size effect on electrical and thermal conductivities. In addition, the size effect in low temperature appears more dramatic due to larger electron Knudsen number. We further examine the Lorenz number of nanofilms and find the Wiedemann-Franz law is seriously violated. The Coulomb blockade and the neutral excitation of electron-hole pair are used to offer a more detailed picture. Excessive thermal conductivity is also evaluated resorting to concepts in granular metals to show the validity of this account.

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