Comparative Study of the Characteristics in Strained AlxInyGa(1-x-y)N/InGaN and AlxInyGa(1-x-y)N/GaN Heterostructures

2016 ◽  
Vol 860 ◽  
pp. 117-122
Author(s):  
Monami Islam ◽  
Kamatol Hasnat Sara ◽  
Md Rasedujjaman ◽  
Mohiuddin Munna
Keyword(s):  
Comparative Study ◽  
Charge Density ◽  
Mole Fraction ◽  
Device Performance ◽  
Performance Effect ◽  
Total Polarization ◽  
Sheet Charge ◽  
Different Characteristics

The paper emphasized on different characteristics AlInGaN/InGaN and AlInGaN/GaN heterostructures for enhancing the device performance. Effect of changing mole fraction in bandgap, strain, polarization have been investigated. Amount of sheet charge density created on the heterointerfaces of AlInGaN /InGaN and AlInGaN/GaN heterostructures have been calculated. It has been observed that with the increment of Indium mole fraction and the decrement of Aluminium mole fraction, the total polarization increases hence larger 2DEG and sheet charge density is created.

scholarly journals Structural analysis and multipole modelling of quercetin monohydrate – a quantitative and comparative study

2010 ◽  
Vol 67 (1) ◽  
pp. 63-78 ◽  
Author(s):  
Sławomir Domagała ◽  
Parthapratim Munshi ◽  
Maqsood Ahmed ◽  
Benoît Guillot ◽  
Christian Jelsch
Keyword(s):  
Comparative Study ◽  
Charge Density ◽  
Topological Analysis ◽  
Atomic Displacement ◽  
X Ray Diffraction ◽  
Experimental Database ◽  
Figures Of Merit ◽  
Atom Model ◽  
Atomic Displacement Parameters ◽  
Model Approach

The multipolar atom model, constructed by transferring the charge-density parameters from an experimental or theoretical database, is considered to be an easy replacement of the widely used independent atom model. The present study on a new crystal structure of quercetin monohydrate [2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one monohydrate], a plant flavonoid, determined by X-ray diffraction, demonstrates that the transferred multipolar atom model approach greatly improves several factors: the accuracy of atomic positions and the magnitudes of atomic displacement parameters, the residual electron densities and the crystallographic figures of merit. The charge-density features, topological analysis and electrostatic interaction energies obtained from the multipole models based on experimental database transfer and periodic quantum mechanical calculations are found to compare well. This quantitative and comparative study shows that in the absence of high-resolution diffraction data, the database transfer approach can be applied to the multipolar electron density features very accurately.

Modeling on oxide dependent 2DEG sheet charge density and threshold voltage in AlGaN/GaN MOSHEMT

2016 ◽  
Vol 37 (4) ◽  
pp. 044003 ◽  
Author(s):  
J. Panda ◽  
K. Jena ◽  
R. Swain ◽  
T. R. Lenka
Keyword(s):  
Charge Density ◽  
Threshold Voltage ◽  
Sheet Charge

COMPARATIVE STUDY OF THE STRUCTURAL AND ELECTRONIC PROPERTIES OF BN(5, 5) AND C(5, 5) NANOTUBES UNDER PRESSURE

2010 ◽  
Vol 24 (24) ◽  
pp. 4851-4859
Author(s):  
KAIHUA HE ◽  
GUANG ZHENG ◽  
GANG CHEN ◽  
QILI CHEN ◽  
MIAO WAN ◽  
...  
Keyword(s):  
High Pressure ◽  
Comparative Study ◽  
Charge Density ◽  
Band Gap ◽  
Electronic Properties ◽  
Cross Section ◽  
First Principles ◽  
First Principles Calculations ◽  
Zinc Blende ◽  
Structural And Electronic Properties

The structural and electronic properties of BN(5, 5) and C(5, 5) nanotubes under pressure are studied by using first principles calculations. In our study range, BN(5, 5) undergoes obvious elliptical distortion, while for C(5, 5) the cross section first becomes an ellipse and then, under further pressure, is flattened. The band gap of BN(5, 5) decreases with increasing pressure, which is inverse to that of zinc blende BN, whereas for C(5, 5) the metallicity is always preserved under high pressure. The population of charge density indicates that intertube bonding is formed under pressure. We also find that BN(5, 5) may collapse, and a new polymer material based on C(5, 5) is formed by applying pressure.

Wet End Performance of Polydimethyl-Diallyl Ammonium Chloride with Different Characteristics

2011 ◽  
Vol 233-235 ◽  
pp. 1597-1602
Author(s):  
Jin Wang ◽  
Li Jun Wang ◽  
He Xiao ◽  
Jin Shan Chen
Keyword(s):  
Molecular Weight ◽  
Chemical Oxygen Demand ◽  
Charge Density ◽  
Ammonium Chloride ◽  
Oxygen Demand ◽  
Suspended Solid ◽  
Fiber Suspension ◽  
Solid Materials ◽  
Different Characteristics ◽  
Dissolved And Colloidal Substances

PDADMAC fixing agents with different characteristics were used to control dissolved and colloidal substances in P-RC APMP fiber suspension. Results showed that PDADMAC with higher charge density was easier to interact with anionic trash, resulting in better removal of suspended solid materials and chemical oxygen demand(COD). The PDADMAC achieved 78% removal of chemical oxygen demand. PDADMAC with higher molecular weight could easily be adsorbed onto fibers and fines, and had good removal for anionic trash. It was also found that PDADMAC with higher molecular weight was better to remove suspended solid substances, while PDADMAC with lower molecular weight was more effective for removing chemical oxygen demand(COD).

scholarly journals Experimental charge density in the transition metal complex Mn2(CO)10: a comparative study. Erratum

2003 ◽  
Vol 59 (3) ◽  
pp. 428-428 ◽  
Author(s):  
Louis J. Farrugia ◽  
Paul R. Mallinson ◽  
Brian Stewart
Keyword(s):  
Transition Metal ◽  
Comparative Study ◽  
Metal Complex ◽  
Charge Density ◽  
Transition Metal Complex ◽  
Missing Value ◽  
The Third ◽  
A Value ◽  
Experimental Charge Density

A value is missing in the third row of the O3—C3 section of Table 3 on p. 238 of Farrugia et al. (2003). The missing value which should be in the fifth column is 13.757, and the remaining entries should be transfered to the next column along.

Noninvasive sheet charge density probe for integrated silicon devices

1986 ◽  
Vol 48 (16) ◽  
pp. 1066-1068 ◽  
Author(s):  
H. K. Heinrich ◽  
D. M. Bloom ◽  
B. R. Hemenway
Keyword(s):  
Charge Density ◽  
Silicon Devices ◽  
Sheet Charge ◽  
Density Probe

VB-3 noninvasive optical sheet charge density probe for silicon integrated circuits

1986 ◽  
Vol 33 (11) ◽  
pp. 1860-1860 ◽  
Author(s):  
H.K. Heinrich ◽  
D.M. Bloom ◽  
B.R. Hemenway ◽  
K. McGroddy ◽  
U. Keller
Keyword(s):  
Integrated Circuits ◽  
Charge Density ◽  
Silicon Integrated Circuits ◽  
Sheet Charge ◽  
Density Probe

scholarly journals THE COMPARATIVE STUDY OF DOWRY REGULATIONS IN INDONESIA AND MOROCCO LEGISLATIONS

2021 ◽  
Vol 29 (2) ◽  
pp. 207-232
Author(s):  
Ali Trigiyatno
Keyword(s):  
Content Analysis ◽  
Comparative Study ◽  
The Other ◽  
Normative Approach ◽  
Library Research ◽  
Analysis Technique ◽  
Significant Difference ◽  
Definition Of ◽  
The Comparative Study ◽  
Different Characteristics

This article compares dowry regulations in Indonesia and Morocco. Bearing in mind that Indonesia and Morocco have different characteristics in dowry matter, the regulations are worth comparing for. As understood in Islamic marriages, dowry is an important obligation and must be fulfilled by the bridegroom for the bride. Normative Islamic teaching advocates for dowry that is simple and reasonable, but in practice, sometimes dowry becomes expensive and difficult to be given, and thus, causing unfavorable effects. In addition, dowry also has the potentials to be subjected to disputes between husband and wife if not regulated by legislation in details. The author uses a comparative study of law guided by a normative approach through library research. The main source is the statutes of two countries. Analysis technique used is content analysis. As a result, it is found that with different backgrounds of fiqh school in Indonesia and Morroco-one being strongly influenced by Shāfi‘ī school and the other is influenced by Mālikī school-have similar rules on dowry. The only significant difference is that the Mālikī School and its legislation in Morocco considers dowry as a marriage pillar. Meanwhile, the Shāfi‘ī school and its legislation in Indonesia, even though the dowry is regarded as compulsory, it does not become a condition or a marriage pillar. Other differences are the definition of dowry, regulation of wife’s luggage, lost dowry, defective dowry, introduction of mithil dowry, regulation of dowry disputes before entering the household, and regulation of furniture disputes other than the wife’s luggage.

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