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What elements are used as impurities for doping germanium and silicon?
Any Pentavalent or Trivalent atom can be added to Silicon to create an "N" type or "P" type Material respectively. Which is used to create a PN Junction. Examples of Pentavalent atoms would be arsenic, antimony, and phosphorus, these Pentavalent atoms would be used to create an "N" Type material. Examples of Trivalent atoms are aluminum, boron, and gallium. Trivalent atom would be used to create "P" type material. I don't know why you would dope germanium, unless your talking about very old technology. Germanium use has slowed to a crawl since the discovery of intrinsic (pure) silicon.
Is the element tin a metalloid?
Indium is a metal, and therefore not a nonmetal.
Where on the periodic table are the metalliods found?
The metalloids are Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, and Polonium. They are all located around a "stairstep" (called that because it is that sort of pattern) on the Periodic Table, between the metals and the nonmetals.
What two elements were named for countries?
I can think of Germanium, Indium, Polonium, Francium, Americium and Nihonium.
What are depletion allowances for germanium and Indium?
Depletion allowances are tax deductions for certain minerals extracted from the ground. For Germanium and Indium, depletion allowances are based on a percentage of the gross income from the sale of the mineral or metal. This deduction is used to account for the reduction in the value of the mineral deposit as it is being extracted.
Which serve as a donor impurity in silicon?
Common donor impurities in silicon include phosphorus and arsenic. These impurities have one more valence electron than silicon, making them donate an extra electron to the silicon crystal lattice, resulting in n-type doping.
What elements are used as impurities for doping germanium and silicon?
Any Pentavalent or Trivalent atom can be added to Silicon to create an "N" type or "P" type Material respectively. Which is used to create a PN Junction. Examples of Pentavalent atoms would be arsenic, antimony, and phosphorus, these Pentavalent atoms would be used to create an "N" Type material. Examples of Trivalent atoms are aluminum, boron, and gallium. Trivalent atom would be used to create "P" type material. I don't know why you would dope germanium, unless your talking about very old technology. Germanium use has slowed to a crawl since the discovery of intrinsic (pure) silicon.
What are other metals?
According to the Periodic Table in the Related Link, they are: Aluminum, Gallium, Germanium, Indium, Tin, Antimony, Thallium, Lead, Bismuth, and Polonium.
Diffrentiate n-type and p-type?
When pentavalent impurity is added to pure semiconductor, it is known as N-Type semiconductor. In N-type semiconductor electrons are majority carriers where as holes are minority carriers. impurities such as Arsenic, antimony are added. When trivalent impurity is added to pure semiconductor, it is know as P-type semiconductor. In P-type semiconductor holes are majority carriers whereas electrons are minority carriers. Impurities such as indium, galium are added.
What are trivalent and pentavalent impurities?
Doping is the process of adding impurity atoms to intrinsic silicon or germanium to improve the conductivity of the semiconductor. The term impurity is used to describe the doping elements. Two element types are used for doping: trivalent and pentavalent. A trivalent element is one that has three valence electrons A pentavalent element is one that has five valence electrons. When trivalent atoms are added to intrinsic semiconductors, the resulting material is called a p-type material. When pentavalent impurity atoms are used, the resulting material is called an n-type material. The most commonly used doping elements are listed below. Commonly Used Doping Elements Trivalent Impurities To make p-type Aluminum (Al) Gallium (Ga) Boron (B) Indium (In) Pentavalent Impurities To make n-type Phosphorus (P) Arsenic (As) Antimony (Sb) Bismuth (Bi)
Is the element tin a metalloid?
Indium is a metal, and therefore not a nonmetal.
Where on the periodic table are the metalliods found?
The metalloids are Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, and Polonium. They are all located around a "stairstep" (called that because it is that sort of pattern) on the Periodic Table, between the metals and the nonmetals.
Which element does gallium have more in common with germanium or indium?
Gallium has more in common with indium. Both gallium and indium are part of the same group on the periodic table, Group 13 (or Group IIIA), so they share similar chemical properties and trends. Germanium, on the other hand, is in Group 14 and therefore differs in its properties from gallium.
How are tin indium antimony alike?
Tine and indium are metals. Antimony is a metalloid. they all have a silvery appearance. Indium and tin are soft metals- with low melting points compared to many other metals. All three commonly exhibit two oxidation states in compounds, Tin(II) and Tin (IV); Indium (I) and Indium (III) and antomony(IIi) , antimony(V) Perhaps the most obvious similarity is that they are in the same period of the periodic table, In atomic number 49; Sn atomic number 50 and Sb atomic number 51
What two elements were named for countries?
I can think of Germanium, Indium, Polonium, Francium, Americium and Nihonium.
What are depletion allowances for germanium and Indium?
Depletion allowances are tax deductions for certain minerals extracted from the ground. For Germanium and Indium, depletion allowances are based on a percentage of the gross income from the sale of the mineral or metal. This deduction is used to account for the reduction in the value of the mineral deposit as it is being extracted.
What element is lighter than antimony but heavier than indium?
Tin (Sn) Molar Mass = 118.71 g/mol
