Solid state Definition and 278 Threads

Now I can obviously just search the internet for information about what these areas of physics are about, but what I want to know is more specific information about these areas that I can't find. Like what areas of Physics are used in Optical physics or maybe more specifically Quantum...

Homework Statement What are Bloch functions? Explain briefly how these function are used in the quantum mechanical modelling of crystals. Homework Equations \psi _k (r)=u_k(r)exp(ik.r) The Attempt at a Solution Now I know that a bloch function is a one-electron wavefunction that is...

Homework Statement Chapter name: Solid state Topic: close packed structures in crystalline solids Sub-topic: close packing in 3D In my Chemistry book I read: Now let us suppose there is 1 sphere only. Can anybody explain to me where the one octahedral void and two tetrahedral voids...

Homework Statement The ionisation energy of Li is 5.39eV and the electron affinity of F is 3.40eV. Give a lower bound for the modulus of the crystallisation energy of Li+F- Homework Equations Not entirely sure of the equation to use, but have this one in my notes: U = -...

Homework Statement The ionisation energy of Li is 5.39eV and the electron affinity of F is 3.40eV. Give a lower bound for the modulus of the crystallisation energy of Li+F- Homework Equations Not entirely sure of the equation to use, but have this one in my notes: U = -...

Homework Statement The specific heat of metals is dominated by the electronic contribution at low temperatures, and by phonons at high temperatures. At what temperature are the two contributions equal in rubidium? Note that \gamma=2.41\frac{mJ}{mole K^2} for rubidium. Briefly describe...

Hi, I've been hearing people talk about using solid state switches/relays as replacements for relays on boards and I was wondering if someone could explain to me the difference between a solid state relay and something like a MOSFET or transistor. Why not just use one of those? Thanks, Jason O

Homework Statement The element Po forms a crystal with a simple cubic structure of spacing (3.34A). What is the maximal wavelength of radiation that is diffracted from a powder of that crystal Homework Equations N/a, however I thought that it may well be something to do with the bragg...

Can anyone explains the concept of effective mass in solid state physics to me? Thanks a lot~:smile:

Homework Statement please can anyone answer this question consider the parallel arrangement of the following two circuit branches , one branch consists of a capacitor C1 , the other of a capacitor C2 series with resistance R . show that this circuit is equivalent to a capacitor with a...

1 few questions here Does anyone know websites that i can get solid state physics problems and answers. 2ndly How do you show a semiconductor of type 1 behaves as a perfect diamagnet. I know by drawing a diagram but don't how to show it 3rdly what is the...

I am doing a directed study in solid state technology next semester and I need to find a book I would like to use. The professor mentioned this textbook by ben streetman. I have been reading through it myself and while it is a decent book, I figure there might be something better out there for...

Hey everybody, I apologize if this is not in the right forum, or if it is not within the scope of this website. I would like to go to grad school in the field of nanotechnology. I'm a physics and math major at the moment, but I'm not entire sure which field of physics would complement...

Hey everyone! I'm looking for a real good Solid State Physics Book! Can someone recommend me something? I have heard that Kittels book is really bad! Mortiss

Sooo, as this is my first time posting I thought I'd start off by saying hello to you all=) Anyway, the problem is as follows: Point defects in metals can cause additional electrical resistivity at low temperatures due to extra electron scattering which is proportional to the number of...

Hi all, Edit: Here's the question, in case you guys don't have the book: In the Drude moel the probability of the electron suffering a collision in any infinintesimal interval dt is just dt/T. a) show that an electron picked at random at a given moment had no collision during the...

i am taking advanced solid state course, and my professor use marder textbook, and his lecture notes are just like complete copy of marder's textbook. i myself find marder's book very confusing, even things which i already understand are presented in complicated way. i feel i cannot absorb...

It seems that amps using vacuum tubes are becoming more and more popular with musicians these days. They're a bit expensive, at least the models I've seen, and the claim is that these vacuum tube amps produce a better sound or a richer sound. I was wondering if there was a physics-based...

What is the symbol for a solid state relay? I've been using mechanical relay representations in my documentation and just writting next to it "solid state." I don't like doing this, because it implies that the relay is an inductive load, which it isn't... My thought is that it should...

Hi folks, I recently posted about one facet of a bizarre argument I've (stupidly) involved myself in in the solid state forum. Perhaps someone can help me out with the entropy side of things here. Basically, the guy I'm speaking to has some bizarre ideas about a way to use a (single, or...

If we have a molcule of 2 atoms, and the potential energy between them is given as a funcion to the distance between them r: U(r)=-A/(r^2)+B/(r^10) Where A,B are constants, How can we calculate the FORCE and ENERGY required to completelty separate them? and how can we calculate the force...

:rolleyes: Is a conductive movement of an electron inside a band a particular infraband non-radiative transition?

What are the solid state electronics devices? What are they used for?

Im just sat here in the "Learning Grid" of my University studying for my Physics in Medicine and Solid State Physics exams in 3weeks. It isn't much fun but what's even worse is the prospect of studying for my other courses i have exams for in the next 2months: Quantum Mechanics I...

Diode laser emission dangerous to eye - Why? Why is a solid state laser diode pen which emits eletromagnetic radiation in the form of a constant range of undulating photons harmful to the retina? In other words, (Did I use the technical terms right? "Undulated" means 'wavelength'...

I've been doing a ton of research recently on how lasers work. Basically a laser is actually L.A.S.E.R which stands for "Light Amplified of Stimulated emitted radiation". A laser is cohernet, which means it is only its wavelengths are not fixed. Low power red lasers are often known as...

Minor in Solid State Physics? Hi, I am an electrical and electronics student. I do plan to follow minor in Solid State Physics. What do you think? Is it worth?

Greetings all this is my first post in this forum. I've got a Solid state physics homework question (i know that the intent of this forum is not to do homework, all i want is guidence in the correct direction not the answer itself.) Any way here it is: A conduction band electron in silicon is...