Indicate which of the following statements are true with regard to semiconductors. (a) elemental semiconductors are made of metalloids (b) semiconductors have a band gap that is greater than 3.5 eV (c) doping a semiconductor with a few ppm of a p block element increases the conductivity of that material by a million fold (d) compound semiconductors must contain at least one metalloid element

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

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

A: Semiconductors are materials which have a conductivity between conductors (generally metals) and…

Q: The electronic structure of a doped semiconductor isshown here. (a) Which band, A or B, is the…

A: Hey, since you are posted a question with multiple sub-parts, we will answer first three sub-parts.…

Q: The maximum wavelength of light that a certain silicon photocell can detect is 1.11 μm. (a) What is…

A: The energy difference between the top valence band and bottom of conduction band in terms of…

Q: Briefly describe the significance of anion gap?

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

Q: Which of the following descriptions does not represent the metallic hydrides?    A) Metallic…

A: The statement C) Metallic hydrides are volatile in nature does not represent metallic hyrides .

Q: Identify the following as either p- or n- type semiconductors.(a) germanium doped with arsenic(b)…

A: Answer:- This question is answered by using the simple concept of p- and n- type semiconductors…

Q: Indicate whether each statement is true or false:(a) The band gap of a semiconductor decreases as…

A: FALSE, As the particle size decreases, band gap of semiconductor increases.

Q: Explain what happens when a pure semiconductor made up of Silicon is doped with an Indium atom…

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Q: Germanium in silicon will be p-type or  n-type?

A: P-type semiconductors are those semiconductors in which the doping material used is from Boron…

Q: Explain why diamond is harder than graphite. Why is graphite an electrical conductor but diamond is…

A: We know that both diamond and graphite are made of carbon. However, diamond is harder than graphite…

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: There are four different types of band structures at 0 K. Among them, two are typified in metals,…

A: The solution is given below -

Q: Which element produces a p-type semiconductor when doped into silicon?a) Ge b) Asc) Ga d) Sb

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Q: Which of these statements is false?(a) As you go down column 4A in the periodic table, the…

A: As we go down the group 4A or group 14 in periodic table, the atomic size increases and the valence…

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: 10. Which of the following is known as indirect band gap semiconductors? Germanium Nickel Platinum

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Q: Define a semiconductor? Describe the two main types of semiconductorswhen it is doped with(a) group…

A: Semiconductors can be defined as the solids having conductivity in between those of conductors and…

Q: The structure of bentonite is best described as Select one: a. Negatively charged aluminium silicate…

A:

Q: What are the applications of superconductors?

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

Q: The electronic structure of a doped semiconductor isshown here. (a) Which band, A or B, is the…

A: The bands closest to the fermi level are valence band and conduction band. The electrical…

Q: What do Doped semiconductors contain?

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

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: What is the definition of a ceramic?

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Q: Explain how metallic conductors, semiconductors, and insulators are identified and explain their…

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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: The band gap energy of semiconductor LED is 3.0ev What is the wavelength of maximum corresponding…

A: Wavelength can be calculated using the given equation: E =  hcλ

Q: Indicate whether this statement is true or false:If you want a semiconductor that emits blue light,…

A: Conductors are the substance, which can conduct the electricity whereas insulators are the…

Q: Compare the hybridization of Si atoms in Si(s) with thatof C atoms in graphite (see Fig. 21.26). If…

A: Both Si and C atoms has 4 valance electrons in its outer most shell and both of these form covalent…

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: 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: Give answers of the following. a. Which allotropic forms of carbon are conductor and which are…

A:

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…