How Do You Solve These Solid State Physics Problems?

In summary, the conversation discusses various questions related to solid state exams. The first question involves using the formula n**2=Nc*Pv*Exp(-Eg/K2T) to calculate the density of electrons in two dimensions for a pure semiconductor. The second question is about obtaining the density of holes in the valence band, with no specific expression mentioned. The conversation also touches on the topic of using g(e)=g(e1)*g(e2) and clarifies that * represents either addition or multiplication. The final question asks about the correlation between pressure and the density of states, specifically whether the width of g(e) would increase or decrease. The conversation ends with a request for further clarification on the symbols Pv and N
  • #1
eljose79
1,518
1
I had to pass an exam of solid state but i had some doubts with this problems

a)let be a pure semiconductor in two dimensions then they ask you for the density of electrons...would you use the formula

n**2=Nc*Pv*Exp(-Eg/K2T) ?...

another question is to obtain the density of holes in the valence band..what is the expresion?.

b)g(e)=g(e1)*g(e2) then *= is + (summed) or X (multiplication)

c)How varies the density of states with pressure?..will the width of the g(e) increase or decrease?..

hope someone can help..
 
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  • #2
Moving to Physics.
 
  • #3
It might help if you defined the symbols a bit further. What is Pv or Nc..
 

FAQ: How Do You Solve These Solid State Physics Problems?

What is solid state?

Solid state refers to the physical state of matter that has a fixed shape and volume. It is characterized by tightly packed particles that have strong intermolecular forces holding them together.

What are some common problems encountered in solid state research?

Some common problems in solid state research include difficulties in synthesizing and characterizing materials, understanding the properties and behavior of materials at the atomic level, and developing practical applications based on these materials.

What techniques are commonly used in solving solid state problems?

Some commonly used techniques in solving solid state problems include X-ray diffraction, scanning electron microscopy, atomic force microscopy, and spectroscopy. These techniques help in characterizing the structure, composition, and properties of materials at the atomic level.

How can solid state problems be applied in real-world situations?

Solid state research has numerous real-world applications, such as in developing new materials for electronics, energy storage, and medical devices. It also plays a crucial role in understanding and improving the properties of existing materials, such as metals, ceramics, and polymers.

What are some current areas of research in solid state science?

Some current areas of research in solid state science include the development of new materials for renewable energy technologies, investigation of 2D materials for electronics and photonics, and the study of quantum materials for potential applications in quantum computing.

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