Microstructural Investigation of Changes in Engineering Properties of Heated Lime-Stabilized Marl Soil

2021 ◽  
pp. 1-29
Author(s):  
M. Amiri ◽  
B. Kalantari ◽  
M. Dehghanih ◽  
F. Porhonar ◽  
M. Papi ◽  
...  
Keyword(s):  
Engineering Properties ◽  
Microstructural Investigation

Microstructural investigation of surface roughness in MBE-grown AlAs

1995 ◽  
Vol 53 ◽  
pp. 454-455
Author(s):  
R. Rajesh ◽  
R. Droopad ◽  
C. H. Kuo ◽  
R. W. Carpenter ◽  
G. N. Maracas
Keyword(s):  
Thin Film ◽  
Real Time ◽  
Growth Control ◽  
Native Oxide ◽  
Effusion Cell ◽  
Surface Oxide Layer ◽  
Microstructural Investigation ◽  
Mbe Growth ◽  
Film Substrate ◽  
And Control

Knowledge of material pseudodielectric functions at MBE growth temperatures is essential for achieving in-situ, real time growth control. This allows us to accurately monitor and control thicknesses of the layers during growth. Undesired effusion cell temperature fluctuations during growth can thus be compensated for in real-time by spectroscopic ellipsometry. The accuracy in determining pseudodielectric functions is increased if one does not require applying a structure model to correct for the presence of an unknown surface layer such as a native oxide. Performing these measurements in an MBE reactor on as-grown material gives us this advantage. Thus, a simple three phase model (vacuum/thin film/substrate) can be used to obtain thin film data without uncertainties arising from a surface oxide layer of unknown composition and temperature dependence.In this study, we obtain the pseudodielectric functions of MBE-grown AlAs from growth temperature (650°C) to room temperature (30°C). The profile of the wavelength-dependent function from the ellipsometry data indicated a rough surface after growth of 0.5 μm of AlAs at a substrate temperature of 600°C, which is typical for MBE-growth of GaAs.

Engineering Properties of Rock

1969 ◽  
Vol 33 (1) ◽  
pp. iv-iv
Author(s):  
Hans F. Winterkorn
Keyword(s):  
Engineering Properties

Improvement in the Engineering Properties of Clayey Soil Using Sodium Chloride

2020 ◽  
Author(s):  
Harpinder Pal Singh ◽  
Jaspreet Singh Chana ◽  
Gurpreet Singh ◽  
Hardev Singh ◽  
Manvir Singh
Keyword(s):  
Sodium Chloride ◽  
Clayey Soil ◽  
Engineering Properties

CHARACTERIZING THE ENGINEERING PROPERTIES OF SOILS IN THE CHARLESTON AREA

2019 ◽  
Author(s):  
Kiah Kraus ◽  
◽  
K. Adem Ali ◽  
Norman S. Levine
Keyword(s):  
Engineering Properties

scholarly journals Microstructural and engineering properties investigation of sustainable hybrid concrete produced from industrial wastes

2021 ◽  
Vol 2 ◽  
pp. 100052
Author(s):  
Gaurav Chand ◽  
Shobha Ram ◽  
Sunil Kumar ◽  
Udita Gupta
Keyword(s):  
Industrial Wastes ◽  
Engineering Properties
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