scholarly journals Revisit the spin-FET: Multiple reflection, inelastic scattering and lateral size effects

2014 ◽  
Vol 4 (1) ◽  
Author(s):  
Luting Xu ◽  
Xin-Qi Li ◽  
Qing-feng Sun
Keyword(s):  
Inelastic Scattering ◽  
Size Effects ◽  
Multiple Reflection ◽  
Lateral Size ◽  
Spin Fet

Lateral size effects on cells in ferroelectric films

1995 ◽  
Vol 51 (23) ◽  
pp. 17235-17238 ◽  
Author(s):  
Y. G. Wang ◽  
W. L. Zhong ◽  
P. L. Zhang
Keyword(s):  
Size Effects ◽  
Lateral Size ◽  
Ferroelectric Films

scholarly journals Size effects of graphene nanoplatelets on the properties of high-density polyethylene nanocomposites: morphological, thermal, electrical, and mechanical characterization

2020 ◽  
Vol 11 ◽  
pp. 167-179 ◽  
Author(s):  
Tuba Evgin ◽  
Alpaslan Turgut ◽  
Georges Hamaoui ◽  
Zdenko Spitalsky ◽  
Nicolas Horny ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Percolation Threshold ◽  
Size Effects ◽  
High Density Polyethylene ◽  
Considerable Effect ◽  
Graphene Nanoplatelets ◽  
High Density ◽  
Filler Concentration ◽  
Lateral Size ◽  
Sem Images

High-density polyethylene (HDPE)-based nanocomposites incorporating three different types of graphene nanoplatelets (GnPs) were fabricated to investigate the size effects of GnPs in terms of both lateral size and thickness on the morphological, thermal, electrical, and mechanical properties. The results show that the inclusion of GnPs enhance the thermal, electrical, and mechanical properties of HDPE-based nanocomposites regardless of GnP size. Nevertheless, the most significant enhancement of the thermal and electrical conductivities and the lowest electrical percolation threshold were achieved with GnPs of a larger lateral size. This could have been attributed to the fact that the GnPs of larger lateral size exhibited a better dispersion in HDPE and formed conductive pathways easily observable in scanning electron microscope (SEM) images. Our results show that the lateral size of GnPs was a more regulating factor for the above-mentioned nanocomposite properties compared to their thickness. For a given lateral size, thinner GnPs showed significantly higher electrical conductivity and a lower percolation threshold than thicker ones. On the other hand, in terms of thermal conductivity, a remarkable amount of enhancement was observed only above a certain filler concentration. The results demonstrate that GnPs with smaller lateral size and larger thickness lead to lower enhancement of the samples’ mechanical properties due to poorer dispersion compared to the others. In addition, the size of the GnPs had no considerable effect on the melting and crystallization properties of the HDPE/GnP nanocomposites.

scholarly journals Lateral size effects on domain structure in epitaxial PbTiO3 thin films

2006 ◽  
Vol 100 (5) ◽  
pp. 051615 ◽  
Author(s):  
Kilho Lee ◽  
Hyunjung Yi ◽  
Wang-Hyun Park ◽  
Yong Kwan Kim ◽  
Sunggi Baik
Keyword(s):  
Thin Films ◽  
Domain Structure ◽  
Size Effects ◽  
Lateral Size

scholarly journals Photoluminescence and photoluminescence excitation studies of lateral size effects inZn1−xMnxSe/ZnSequantum disk samples of different radii

1998 ◽  
Vol 57 (12) ◽  
pp. 7114-7118 ◽  
Author(s):  
P. J. Klar ◽  
D. Wolverson ◽  
J. J. Davies ◽  
W. Heimbrodt ◽  
M. Happ ◽  
...  
Keyword(s):  
Size Effects ◽  
Lateral Size ◽  
Photoluminescence Excitation

scholarly journals Lateral Size Effects of Two-dimensional IrO2 Nanosheets towards the Oxygen Evolution Reaction Activity

2017 ◽  
Vol 85 (12) ◽  
pp. 779-783 ◽  
Author(s):  
Daisuke TAKIMOTO ◽  
Yusuke AYATO ◽  
Dai MOCHIZUKI ◽  
Wataru SUGIMOTO
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Size Effects ◽  
Lateral Size ◽  
Two Dimensional

Retention properties of fully integrated (Bi,La)4Ti3O12 capacitors and their lateral size effects

2005 ◽  
Vol 86 (2) ◽  
pp. 022903 ◽  
Author(s):  
D. J. Kim ◽  
J. Y. Jo ◽  
Y. W. So ◽  
B. S. Kang ◽  
T. W. Noh ◽  
...  
Keyword(s):  
Size Effects ◽  
Lateral Size ◽  
Fully Integrated

Analysis of STEM micrographs of thick objects

1978 ◽  
Vol 36 (2) ◽  
pp. 106-107
Author(s):  
S. Golladay
Keyword(s):  
Inelastic Scattering ◽  
Multiple Scattering ◽  
Mass Distribution ◽  
Cross Sections ◽  
Phase Contrast ◽  
Image Point ◽  
Contrast Effects ◽  
Total Cross Sections ◽  
Elastic And Inelastic Scattering

The theory of multiple scattering has been worked out by Groves and comparisons have been made between predicted and observed signals for thick specimens observed in a STEM under conditions where phase contrast effects are unimportant. Independent measurements of the collection efficiencies of the two STEM detectors, calculations of the ratio σe/σi = R, where σe, σi are the total cross sections for elastic and inelastic scattering respectively, and a model of the unknown mass distribution are needed for these comparisons. In this paper an extension of this work will be described which allows the determination of the required efficiencies, R, and the unknown mass distribution from the data without additional measurements or models. Essential to the analysis is the fact that in a STEM two or more signal measurements can be made simultaneously at each image point.

Temperature Dependence of the Critical Electron Dose for Fatty Acid Monolayers

1982 ◽  
Vol 40 ◽  
pp. 78-79
Author(s):  
Kenneth H. Downing ◽  
Robert M. Glaeser
Keyword(s):  
Electron Beam ◽  
Fatty Acid ◽  
Inelastic Scattering ◽  
Temperature Dependence ◽  
Structural Damage ◽  
Direct Result ◽  
Second Step ◽  
Strong Temperature Dependence ◽  
Electron Dose ◽  
Covalent Bonds

The structural damage of molecules irradiated by electrons is generally considered to occur in two steps. The direct result of inelastic scattering events is the disruption of covalent bonds. Following changes in bond structure, movement of the constituent atoms produces permanent distortions of the molecules. Since at least the second step should show a strong temperature dependence, it was to be expected that cooling a specimen should extend its lifetime in the electron beam. This result has been found in a large number of experiments, but the degree to which cooling the specimen enhances its resistance to radiation damage has been found to vary widely with specimen types.

The Resolution and Contrast in Biological Sections Determined by Inelastic and Elastic Scattering

1973 ◽  
Vol 31 ◽  
pp. 224-225
Author(s):  
D. L. Misell
Keyword(s):  
Electron Microscopy ◽  
Adverse Effect ◽  
Elastic Scattering ◽  
Inelastic Scattering ◽  
Amorphous Carbon ◽  
Polymeric Materials ◽  
Chromatic Aberration ◽  
Image Resolution ◽  
Quantitative Estimates ◽  
Elastic Ratio

In the electron microscopy of biological sections the adverse effect of chromatic aberration on image resolution is well known. In this paper calculations are presented for the inelastic and elastic image intensities using a wave-optical formulation. Quantitative estimates of the deterioration in image resolution as a result of chromatic aberration are presented as an alternative to geometric calculations. The predominance of inelastic scattering in the unstained biological and polymeric materials is shown by the inelastic to elastic ratio, I/E, within an objective aperture of 0.005 rad for amorphous carbon of a thickness, t=50nm, typical of biological sections; E=200keV, I/E=16.

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