What are the main advantages and limitations of the Valencia Linkage Theory?

Q: 03. How can we determine of the band-gap of gemanium from electrical measurements?

A: Band gap of semiconductor like germanium can be determined by the study of the Variation of its…

Q: The band gap for the elemental semiconductor silicon is 1.11 eV. That energy corresponds to what…

A: The band gap energy can be defined as the minimum amount of energy needed by an electron to break…

Q: 6. List the point indices of the unit cell of the perovskite crystal structure for the following…

A: Point indices: Miller developed a technique referred to as the Miller Indices to represent the…

Q: JOUL - Low Tg < 0°C farddryf

A: Given structure of two polymersand glass transition temperature of each polymer is also given.

Q: Q: Explain the phenomenon of magnetic hysteresis and why it occurs in ferromagnetic and…

A: Magnetic hysteresis occurs when the flux falls behind the magnetic field.

Q: Briefly describe the significance of anion gap?

A: We have to tell the significance of anion gap.

Q: 2) Draw BCC unit cells with the following planes/vectors A: (111) B: [010] C: (221)

A: In crystallography, the lattice planes of unit cells are represented by three integers known as…

Q: Can crystalline silicon become more stable in a reaction that is thermodynamically favoured but…

A: Crystalline silicon, or silicon in its elemental form, can become more stable in a thermodynamically…

Q: the different types of systems in semiconductor 6) Discuss heterojunction materials.

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Q: The unit cells of SbCI3 are orthorhombic with dimensions a= 812 pm, b = 947 pm, and c = 637 pm.…

A: For orthorhombic system, So that, Where, dkhl=spacing of planes.

Q: The following figure is an example of band theory. D is known as a %23 B. 4L

A:

Q: In the amorphous form, Fe has an atomic radius of r=1.40 Å. Using the spherical cluster…

A: Spherical cluster approximation:- In spherical cluster approximation, a cluster is considered a…

Q: Spectrophotometers employ various sources of light. Which of the following is NOT true for…

A: To answer: Which of the following is NOT true for spectrophotometer light sources?   Introduction:…

Q: You are given the following data  : Peak order (n)…

A: Given: Peak order (n)                                                  Diffraction Angle (2q) 1…

Q: 5. Please try to plot the band structure of Li (18'2S), Ga([Ar]3d® 4s? 4p!), trying to explain why…

A:

Q: X Construct a (2 0 1) plane within the following unit cell. Z

A:

Q: Calculate the HOMO-LUMO energy gap: HOMO = -0.19755 LUMO = -0.03632

A: We have to calculate HOMO-LUMO energy gap where, Energy of HOMO = -0.19755 and energy of LUMO =…

Q: What is the main factor in not observing the glass transition behavior in highly cross-linked and…

A: Glass transition behavior in highly cross-linked and highly crystalline polymers.

Q: In metals, the conduction bands and valence bands of the molecular orbitals are separated by a large…

A: In a material, the valence band contains electrons closely bound to atoms. When energy is supplied,…

Q: In detail outline the phenomenon and the cause of phase transitions in polymer systems.

A: (a) Phase transitions in polymers occur due to changes in intermolecular forces that hold polymer…

Q: In how many allotropic forms does arsenic exists?

A: Allotropes of an element are forms of the same element with different physical and chemical…

Q: (a) What is order parameter? Discuss the order parameter of smectic phase.

A: The order parameter is a sort of parameter that actually distinguish between the two phases that are…

Q: Explain and discuss the difference between the 2-Dimensional and 3-Dimensional structure of…

A: We have to Explain and discuss the difference between the 2-Dimensional and 3-Dimensional structure…

Q: Does a photon of red light with a frequency of 4.29 * 1014 Hzhave sufficient energy to promote an…

A: The electrons can be promoted to conduction band from the valence band if the band gap energy and…

Q: Why do natural diamonds do not behave as semi-conductors?

A: “Since you have asked multiple questions, we will solve one question for you. If you want any…

Q: Why is it in some cases that there is no polaron transition evident in a conducting polymer?.

A: Since the  conductivity of such polymers (conducting polymer) can be raised to metallic levels by…

Q: A/ Write the electronic configuration and determine the Valance of the following: Se (Z= 21) where;…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: How is electrolytic conductance measured experimentally?

A: Given term,      Electrolytic conductance

Q: 3. Determine the Miller indices for the planes shown in the following unit cell: +Z B A -IN 2/3 +y

A: After joining the crystal lattice points by straight lines, those straight lines were assumed to be…

Q: Determine the Miller indices for the planes A and B shown in the unit cell 4+2 B mir

A:

Q: Q10a. Explain order parameter and its importance in respect to liquid crystal materials? What are…

A: Answer - According to the question - Liquid crystal is a state of matter that has properties between…

Q: How does the conversion of sunlight into into electric current occurs when light falls on a photo…

A: Electrical energy can be produced using solar energy.

Q: What is the stoichiometry for Fe3O4? What point defects will be associated with a Frenkel defect in…

A: The iron oxide Fe3O4, the mineral magnetite once in a while called ferrosoferric oxide, is…

Q: Find the structure factor SG of NaCl structure in terms of atomic form factors f Na and f ct and…

A: The concept used here is from the Solid State Chemistry of physical chemistry. Given here  NaCl…

Q: The promotion of an electron from the valence band into the conduction band in pure TiO2 by light…

A: λ = 350 nm = 350 × 10-9 Calculate the energy gap in electronvolts between the valence and conduction…

Q: Estimate the inter-planar spacing for (111) plane in copper having a lattice parameter of 3.4 Å.

A:

Q: Sketch on the same graph paper (on the same plot) the stress-strain curves for: (a) atactic PS, (b)…

A: a) Atactic PS is a brittle polymer   b) HDPE is a plastic   c) copolymer of styrene and butadiene is…

Q: Determine the Ksp expression for these two solids: Cu3(PO4)2 C12H22O11

A: This is a simple question about the Ksp or the solubility product expression of the given compounds.

Q: What is the meaning of magnetic susceptibility, orbital motion, ferromagnetism and…

A:

Q: Q4: Choose the adequate answer: Open One linearly circuit electr The simplest of all atoms is the…

A: Resistivity is resistance of a conductor per unit length per unit area. Conductance  is reciprocal…

Q: 12. What is the expected limiting molar conductivity (mS m² mol¹) for Ca(NO3)2? a) 25.012 b) 25.662…

A: