Unlike metals, semiconductors increase their conductivityas you heat them (up to a point). Suggest an explanation.

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

A: A semiconductor is a solid substance that possesses conductivity in the range between an insulator…

Q: 1. a) What is the definition of atom, molecule and polymer? b) Show the electron configuration of…

A: Definition  Atom:: An atom is a particle of matter that uniquely defines a chemical element. An atom…

Q: Which of these molecular fragments would you expect tobe more likely to give rise to electrical…

A: Electrical conductivity depends upon flow of electrons or charge separation.

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

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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: In the process of doping a semiconductor, certain impurities are added to increase the electrical…

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Q: Two solids are shown below. One is a semiconductor andone is an insulator. Which one is which?…

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Q: How Band theory differentiate between semiconductors and semi materials?

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

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Q: In the other allotrope (the other structure), each C atom is bonded to 3 other atoms, so each C…

A: Any different allotrope have every Carbon atoms is attached with three other atoms, so every carbon…

Q: Write amorphous carbon

A: Amorphous carbon is basically is reactive carbon which not  having crystalline structure.

Q: (a) What molecular features make a polymer flexible? (b) Ifyou cross-link a polymer, is it more…

A: a. The intermolecular attractions between the polymeric chains can be hydrogen bonding, dispersion…

Q: Classify as n-type or p-type a semiconductor formedby doping {a) germanium w ith phosphorus. {b)…

A: Semiconductors are defines as those materials whose conductivity is greater than insulators while…

Q: How may the conductivity of an intrinsic semiconductor be increased?

A: The intrinsic semiconductor is a type of semiconductor which is pure semiconductor, which has no…

Q: How does the doping increase the conductivity of semiconductors?

A: Conductivity of semiconductors:When a certain amount of suitable impurity or doping is added, the…

Q: Consider the following doping scenarios: I. Si doped with B II. Ge doped with P III. GaAs doped with…

A: Dear student I have given answer to your question in the image format

Q: Define the term, Band-Gap?

A: Electrons are present in the orbits around the nucleus. On coming together of two charges together…

Q: Explain the process of making an n -type and p -type semiconductor materials

A: p -type semiconductor : When a semiconductor ( Ge or Si ) is doped with electron deficient impurity…

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: Which would you expect to be the more ductile element,(a) Ag or Mo, (b) Zn or Si? In each case…

A: Silver is a more ductile element than molybdenum. Ag has more valence electrons which makes the…

Q: (d) Doping can be used to increase conductivity of the substances, explain with examples. What are…

A: Doping increases the conductivity as follows.

Q: Sketch a diagram to illustrate the band structure of diamond, assuming no defects

A: The carbon atoms in diamond undergo hybridization and each carbon atom forms four sigma bonds with…

Q: Which element produces a p-type semiconductor when doped into silicon?

A: Semiconductors are the materials that have a conductivity that lies between the conductors and…

Q: Two solids are shown below. One is a semiconductor andone is an insulator. Which one is which?…

A: Since in insulators, the gap between the conduction band and valence band is very high. Hence there…

Q: b) How many tetrahedral and octahedral interstitial sites are there per hcp unit cell? Explain your…

A: A regular arrangement of constituent particles in three dimensional space is call space lattice and…

Q: Why composite biomaterials are preferred over ceramics, explain with examples.

A: Being able to use artificial intelligence to identify and automatically respond to data breaches is…

Q: Crystalline: Diamond ; ____????____ : Graphite

A: Given: Crystalline: Diamond ; ____????____ : Graphite

Q: Why does graphite conduct electricity?

A: Graphite is an allotrope of carbon. It is a covalent solid. It has a trigonal planar geometry. The…

Q: Question attached

A: Density is defined as mass per unit volume.  Density of monoclinic unit cell is given 998.1 kg/m3 .…

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: Silicon has a band gap of 1.1 eV at room temperature.(a) What wavelength of light would a photon of…

A: As your question consists of multiple subparts, we are solving only the first two, to then get the…

Q: What are n-type semiconductors?

A: A n-type semiconductor is defined as a type of extrinsic semiconductor which is doped with 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: explain the properties of zinc? zinc can conduct current or not?

A: Zinc is a blue-grey, metallic element with the symbol Zn and atomic number 30. it has a blue-silvery…

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

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Q: Introduction of carbon into a metallic lattice generally resultsin a harder, less ductile substance…

A: Introduction of carbon into a metallic lattice generally results in a harder , less ductile…

Q: Use the band model to explain how it is possible for some materials to undergo a…

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Q: Explain how doping can increase the conductivity of a semiconductor.

A: Conductivity is due to the mobility of electrons; therefore, conductivity can be increased by…

Q: Explain face centered cubic unit cell in the simplest way possible and create an overview about it…

A: Face centered cubic unit cell: It is a Nonprimitive cubic unit cell.  In case of simple cubic unit…

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…