Will ZnSe have a larger or smaller band gap than ZnS?

Q: High-density polyethylene (HDPE) is opaque while low-density polyethylene (LDPE) is transparent.…

A: Polyethene is widely used tharmoplastic now a days.Based on molecular structure it can be…

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

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Q: How do point defects influence the crystal structure and what influence does this have on…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: coordination numbe unit cell: crystalline solid:

A: coordination no. is a no. of atoms or ions surrounding an atom or ion in a crystal lattice i.e. only…

Q: GaP and GaAs are both used in LED (light-emitting diode) applications. i.The bandgap of GaP is 2.26…

A: We have the basic formula, Energy(∆E) = hcλ Here, given, Energy = 2.26 eV (GaP) and 1.43 eV (GaAs)

Q: In band theory of bonding for solids, what is a band gap? How does the band gap differ in metals,…

A: Band-In molecular orbitals of an atom the set of closely discrete energy levels is called as band.…

Q: Why are isotactic or syndiotactic polymers often more attractive for materials development?

A: An isotactic polymer is a compound that is formed by the arrangement of monomers in the same pattern…

Q: Which is not likely to lead to an increase in electrical conductivity?a. Increasing the temperature…

A: The band gap is the energy difference between the conduction band and valence band.

Q: The missing of atoms from the lattice sites is called : a) Vacancy defects, B) interstitial defects,…

A: The lacking or missing of atoms or ions in any crystal structure or lattice is called solid defect.…

Q: Which wavelength of light (in nm) is emitted if an electronmoves from the conduction band to the…

A: Energy of an electron is determined by using the formula E=hcλ E is energy. h is Planck's constant.…

Q: Calculate the packing efficiency and density of diamond.

A: This question is from solid state chemistry where we are asked to find a)packing efficiency of…

Q: The number of electrons excited to the conduction band per cubic centimeter in a semiconductor can…

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Q: what is liquid junction potential ?

A: When two different concentrations of electrolyte solution come in contact forms liquid junction…

Q: Why are covalently bonded materials generally less dense than those that are bonded ionically or…

A: Since the case when the bonds are directional, that is they are present in a particular direction…

Q: band gap on insulator i understand the band gap difference between conductor, insulator, and…

A: From the given data we are going to answer why there is a large energy gap in insulators.

Q: 2. Shown below is a chart of the carrier concentration in three intrinsic semiconductors (Si, Ge,…

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Q: Based on the volumes calculated in the previous question and the picture below, calculate the edge…

A: 1 pm = 1x10-10 cm = 1x10-12 m since, 1 m =100 cm1m3 = 106 cm3For a body centered cubic unit…

Q: Which of the following doped semiconductors will be p-type and which will be n-type?please explain…

A: Hi, since there are multiple subparts posted we will provide you with answers for the first-three…

Q: What type of semiconductor is prepared by doping Ga into Si? A) p-type B) n-type C) intrinsic D)…

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Q: Does FeSe have a larger band gap than ZnSe?

A: Antiferromagnetism, the magnetic moments of atoms or molecules, usually related to the spins of…

Q: The doping of semiconductors can be done with precision to tune the band gap size in material.…

A: The doping of semiconductors are done with precision to tune the band gap size  in material.

Q: Which materials are likely to have the property of ductile/brittle transition termperature (DBTT)? O…

A: The temperature at which there is a  decrease in a material's ability to absorb forces without…

Q: The figure to the right shows sunlight intensity as a function of wavelength. Answer the following…

A: a. With 1000 nm absorber, the energy is given as:   E=hcλE=6.626×10-34 J.s×3×108 m/s1000×10-9…

Q: A semiconductor has wide energy gap and requires less energy to move an electron from the valence…

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Q: In band theory of bonding for solids, what is a band gap?

A: Band gap is the energy gap between valence band and conduction band. On the basis of band gap we can…

Q: For each of the following pairs of semiconductors, whichone will have the larger band gap: (a) InP…

A: Since the band gap is directly proportional to the electronegativity difference of the atoms Hence…

Q: Generally, if a material has a band gap greater than 340kJmol, it is considered an insulator rather…

A: Electron volt, joule and kilo joule are units of energy. Given that, 1eV=1.602×10-19 J.

Q: Q3. As the particle size is reduced to nanoscale, the band gap will..... O Decrease Increase

A: According to chemical bonding, valence electrons take part in chemical bond formation.

Q: Determine the packing efficiency by calculating the fractionof space occupied by atoms in a…

A: Body centred cubic cell(BCC) is a unit cell consisting of atoms at eight corners and an atom in the…

Q: 3. a) For a nanocrystalline sample containing particles of unknown size, you measure a band gap…

A: The explanation is given below-

Q: greatest wavelength

A: wavelength(nm) =  1240.8 / Energy(ev)   wavelength = 1240.8 / 2.4                      = 517 nm

Q: Chemistry If an FCC material terminated at a surface, which plane would give you the lowest surface…

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Q: Polymorphism can exist in any crystalline material, not just molecular solids. True or false?…

A: Crystalline solids are those where a long-range order is present in the arrangement of constituent…

Q: (iii) Explain what packaging density is. Calculate the packaging density of the FCC and BCC…

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Q: 15. Network polymer structure is. O A. Branching. B. Liner. C. Cross-link.

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Q: The bonds that hold semiconductor atoms together in a crystal are called trivalent bonds. Select…

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Q: Why materials with a high melting point have a high modulus of elasticity and low thermal expansion?

A: Melting point is defined as the temperature at which the solid and liquid forms of a pure substance…

Q: Will GaP have a larger or smaller band gap than ZnS? Will it have a larger or smaller band gap than…

A: Greater the electronegativity difference between metal and non-metal, greater will be the band gap.…

Q: In the ABA particle packing pattern, a single 3rd-layer particle will create what type of hole over…

A: Answer: the ABA particle packing pattern is shown by hexagonal close packing (HCP), in HCP when a…