The maximum wavelength of light that a certain silicon photocell can detect is 1.11 μm. (a) What is the energy gap (in electron volts) between the valence and conduction bands for this photocell? (b) Explain why pure silicon is opaque.

Q: (a) What change occurs when AgCl is doped with CdCl2?(b) What type of semiconductor is produced when…

A: The small gap in valance band and conduction band in semiconductors lead to jumping of electrons…

Q: Account for the relative band gap energies of semiconductors interms of periodic trends?

A:

Q: What are the Silicate Ceramics? Give some examples? What are the uses of Silicate Ceramics?

A: Silicates are materials composed generally of silicon and oxygen. They were the first ceramics…

Q: Define the term Interstitial alloys?

A: Alloy is a mixture of more than one metal which has superior properties than any individual metal.…

Q: Explain how homogeneous and heterogeneous alloys differ. Describe the differences between…

A: An alloy is a uniform mixture. It is made up of two or more chemical elements, of which at least one…

Q: What type of bonding would you expect in Silicon nitride? explain the answer and what kind of…

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Q: Assume that a GaAs semiconductor has a lattice constant a=7.5 Å, and the atoms of Ga and As are hard…

A: According to Bartlbey rules, expert have to attempt only 1 question unless specified so please post…

Q: What are Nonoxide Ceramics?

A: Ceramics are minerals which are non-metallic and inorganic in nature. It has huge variety, like…

Q: Briefly describe the significance of anion gap?

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

Q: Diffusion does not have an effect on______. a) Doping in semiconductors b) Production of alloys c)…

A: Diffusion doesn't not have an effect on heat treatment of metals .  In production of alloy the metal…

Q: Differentiate the properties of carbon filter,  ceramics, and micro alloys

A: The properties of carbon filters,  ceramics, and micro alloys are differentiated below.

Q: Explain why diamond is harder than graphite and why is graphite an electrical conduct but diamond is…

A: Carbon has two main allotropic forms - diamond and graphite. These both Allotropes contain Covalent…

Q: Which of the following elements, if doped into silicon, would yield an n-type semiconductor: Ga, As,…

A: N-type semiconductors are conductors that are formed by doping (process of adding impurity atoms to…

Q: what are p type and n type semiconductors?

A: p-type semiconductor:  A dopant with lesser electrons than its host forms a narrow band that gets…

Q: Discuss the need for a high-Tc superconductor.

A: High-Tc superconductor stands for high temperature superconductor. The materials that behave as a…

Q: When you shine light of band gap energy or higher on asemiconductor and promote electrons from the…

A: The conductivity of semiconductor is possible due to the transfer of an electron from the valance…

Q: What is vitreous silica or fused silica?

A: Silica is silicon dioxide which is hard, brittle and it is used for making glasses.

Q: What are the applications of superconductors?

A: Superconductivity:The ability of certain metals and their compounds, alloys to conduct the…

Q: What do Doped semiconductors contain?

A: Semiconductors has a conductivity power in between insulators and conductors. The conductivity power…

Q: Adding small quantities of boron may increase the electrical conductivity of antimony. With the aid…

A: Antimony is symbolised as Sb is a gr-15 element. It's valence shell electronic configuration is…

Q: Define What is HIGH COPPER CONTENT ALLOYS? Also, what is its properties and applications?

A: Answer - According to the question - High Copper  content  Alloys are copper alloys, containing more…

Q: How do atomic radius ratios relate to strength in alloys?

A: The smaller the atomic radius, the more influence the nucleus has on reactivity. Since the nucleus…

Q: Which of the following doped semiconductors will be p-type and which will be n-type (i)Arsenic in…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Calculate the density of aluminum, given that it has an fcc crystal structure,an atomic radius of…

A: Firstly, calculate the edge length. For FCC, the relation between the radius and edge length (a) is:…

Q: The nitride ceramics AIN, GaN, and InN are all semiconductors used in the microelectronics industry.…

A:

Q: The semiconductor CdSe has a band gap of 1.74 eV. Whatwavelength of light would be emitted from an…

A: The semiconductor CdSe has a band gap of 1.74 eV. The wavelength of light that would be emitted from…

Q: Which allotropic form of carbon are conductor and which are non conductor's and why?

A: Allotropy is defined as the property of some chemical elements to exist in two or more different…

Q: 1. Estimate at what temperature silicon tends to be as electrically conductive as diamond at room…

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Q: Describe the formation of N-type semiconductor.

A: Kindly get the answer given below.

Q: Silicones are classified as O a. Elastomers O b. Cast iron O c. Thermoplastics O d. Ceramics

A: Silicones is synthetic elastomer that show viscosity and elasticity.

Q: 3) What is the difference in energy between the valence band and conduction band of electrical…

A: Conduction band is the empty band whereas valence band is the filled electronic band. Valence band…

Q: What are Non=Oxide-Ceramic? Give some examples?

A: Non-Oxide Ceramic Non-oxide ceramics are specialized Ceramics that are classed as inorganic,…

Q: Calculate the radius of palladium atom in nm, given that Pd has an FCC crystal structure, a density…

A:

Q: What are the unit chemical formulas of silicate tetrahehras for island silicate structures,…

A: Silicates are rock-forming minerals, which are made up of silicate groups. They are about 90% of…

Q: Draw a Lewis electron-dot diagram for the cyclosilicate ion (Si,O), which forms part of the…

A: In the Si6O1812- molecule, the oxygen ring present in the center of the unit. Here all oxygen atoms…

Q: What is the difference between tetrahedral and octahedral voids?

A: The difference between tetrahedral and octahedral voids can be shown in below

Q: Semiconductors, such as silicon, are the heart of the circuits that form the basis for computers and…

A: a) Dopant concentration is 2.00 ppm by mass.