What is Solid state physics: Definition and 264 Discussions

Solid-state physics is the study of rigid matter, or solids, through methods such as quantum mechanics, crystallography, electromagnetism, and metallurgy. It is the largest branch of condensed matter physics. Solid-state physics studies how the large-scale properties of solid materials result from their atomic-scale properties. Thus, solid-state physics forms a theoretical basis of materials science. It also has direct applications, for example in the technology of transistors and semiconductors.

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  1. K

    Any good books on Solid State Physics with examples?

    Can anyone please recommend me a good book on undergraduate level solid state physics preferably with plenty of examples for self study? Thanks.
  2. heycoa

    Solid State Physics | ionic crystal bonding | Born & Meyer equation

    Homework Statement 1) Find the expression for the equilibrium interatomic distance as a function of A, n, and α 2) Determine the expression for the binding energy at equilibrium. 3) Calculate the constant n for NaCl, using the data from the Table 1.2 of Omar book and the fact that the...
  3. Greg Bernhardt

    Solid State Introduction to Solid State Physics by Charles Kittel

    Author: Charles Kittel Title: Introduction to Solid State Physics Amazon Link: https://www.amazon.com/dp/047141526X/?tag=pfamazon01-20 Prerequisities: Contents:
  4. Greg Bernhardt

    Solid State Solid State Physics by Neil W. Ashcroft

    Author: Neil W. Ashcrof Title: Solid State Physics Amazon Link: https://www.amazon.com/dp/0030839939/?tag=pfamazon01-20 Prerequisities: Contents:
  5. fluidistic

    Solid state physics, exercise about reciprocal lattice

    Homework Statement Hi guys, I don't reach the correct answer to an exercise. I'm following Ashcroft's book. I must find that the reciprocal of the bcc Bravais lattice is a fcc one and the reciprocal of the fcc Bravais lattice is a bcc one. Homework Equations If a_1, a_2 and a_3 are...
  6. J

    Best solid state physics video course

    Hi, What is the best solid state physics video course available online. So far the best one i have found is this one .. but it is just introduction to Solid State Physics
  7. B

    A good textbook for Undergraduate learning Solid State Physics

    I'm an undergraduate looking for a good low level textbook to read this summer in order to learn what I can about Solid State Physics. I have 2 semesters of Chemistry and quantum mechanics. Any recommendations?
  8. M

    Uncertainty Principle Examples in Solid State Physics

    Hi, I'm working on a homework for my solid state physics class and I'm having trouble with this question: Homework Statement "We have seen many cases in solid state physics in which you can apply the concept of uncertainty principle to estimate some quantity. Describe two examples of a...
  9. S

    System of green functions in solid state physics

    Assume we have a solid state hamiltonian, which is ellectrons plus nuclei plus all possible interactions: H = T_{el} + V_{el-el} + T_{n} + V_{n-n} + V_{n-el} Is it wrong to write down a self-consistent system of Green functions for electrons and phonons? G_{el}=g + gSG_{el} G_{ph}=g +...
  10. P

    Solid State Physics (Instrinsic->Extrinsic)

    Solid State Physics Help Please! (Instrinsic->Extrinsic) Homework Statement 3 samples of silicon with donor densities of: 1st sample: 10^18 cm^-3 2nd sample: 10^16 cm^-3 3rd sample: 10^14 cm^-3 for each, find out at what temp the sample transitions from intrinsic to extrinsic behavior...
  11. P

    Solid state physics: phonon density of state

    Homework Statement There is a Ar cube crystal with Lenard jones potential: V^{L.J.}=-\alpha/r^{6}+\beta/r^{12} We know the volume V, the parameters of the L.J. potential, and the mass of the Ar atom (m_{Ar}). Determine the phonon density of state. (D(ω)=?) Homework Equations...
  12. S

    Miller Indices (Solid State Physics)

    Homework Statement A simple cubic crystal with lattice parameter 0.5 nm has a plane which intersects atoms at the points (-0.5,-0.5,0), (1,-0.5,0.5) and (1,2.5,-1.5), where the coordinates have units of nm. What are the miller indices of the plane? Having read the relevant chapters of...
  13. G

    Solid State Physics - p-n junctions

    Homework Statement An ohmmeter is sometimes used to determine the "direction" of a diode by connecting the ohmmeter to the diode one way and then reversing the ohmmeter leads. If the ohmmeter applies an emf of .5V to the diode in order to determine resistance, what would be the ratio of...
  14. M

    Solid State Physics- Finding concentration of donor atoms (Nd)

    Homework Statement Silicon at T= 300K contains acceptor atoms at a concentration of Na = 5*10^15 cm-3. Donor atoms are added forming an n-type compensated semiconductor such that the fermi level is 0.215 eV below the conduction band edge. What concentration of donor atoms are added...
  15. H

    A question For experts in Solid State Physics

    Homework Statement Consider an electron gas in ONE and TWO dimensions i.e N electrons in a metal wire with length L or in metal sheet with area L^2. Pictures must be drwan of the fermi 'sphere' and the Fermi 'surface' . Why are the two words in quotation marks ? Homework Equations...
  16. V

    Bragg diffraction / Solid state physics

    Homework Statement Homework Equations n\lambda = 2dsin(\theta) The Attempt at a Solution a) solving for d I get \frac{n*\lambda}{2*sin*(\theta)} = d substituting in the first value 50.85 to solve for d, with n=1 I get d= 1.754*10^-10m How do I solve the miller indices from the inter...
  17. T

    How to Find Plane Intersection in FCC Lattice Primitive Unit Cell

    Homework Statement Consider a plane (hkl) in a fcc lattice, show the correspond miller indices (h1k1l1) in the primitive unit cell. Homework Equations The Attempt at a Solution so (hkl) intersect a/h,a/k,a/l in the fcc lattice right? but in the primitive unit cell of fcc, i...
  18. G

    Physics Quantum Fields Theory and Solid State Physics

    Hello! Does any of you know someone in Paris who is working on Solid State Physics using Quantum Field Theory formalism ? Thank you.
  19. Y

    Solid State physics, studying for a re-exam

    I have gone trough all the material for a solid state physics course I had earlier this exam, and there are three question I actually can't solve, even with all the lecture notes. Here they are: 1. An electron of mass m moves in a square lattice, spacing a. The nearly free approximation...
  20. G

    Solid state physics and chemistry

    As solid state physics studies the structure of materials, it is often important to study and to understand molecular theory. This means that you should, for instance, know very well the properties of the states of electrons in atoms with more than one proton in the nucleous. You should also...
  21. S

    Determining Bravais Lattice from Primitive Translation Vectors

    hi, i don't know how to determine bravais lattice from primitive translation vectors.The problem is as: A crystal with one atom basis, has a set of primitive translational vectors as a1=3i, a2= 3j and a3= (3/2)(i+j+k). What is the bravais lattice.
  22. R

    Solid state physics which element?

    Homework Statement I have just started solid state physics course and we got an assignment to choose one element that we are going to work with. Which element is interesting from a solid state physics point of view (and relatively not too difficult to work with)? Homework Equations...
  23. A

    SOLID STATE PHYSICS - allowed reflections

    Homework Statement Aluminium metal is FCC with lattice parameter a=0.405nm. suppose that n Al crystal is illuminated by a beam of neutrons with wavelength \lambda= 1.078 angstrom (a) determine the first 10 allowed reflections, in order of increasing scattering vector, counting...
  24. A

    Solid state physics - FFC structure of NaCl

    Homework Statement NaCl is a face-centred cubic with a basis at Na(0,0,0) and Cl at (a/2,a/2,a/2) and lattice parameter a = 5.63 angstrom. calculate the separation between nearesr neighbours (Na and Cl). The Attempt at a Solution Just by looking at the NaCl structure the separation...
  25. P

    Please name a descent book for solid state physics of undergradute level .

    please name a descent book for solid state physics of undergradute level..please..pleasez. hi... i hav just joined my engineering course for electronics... and I desperately need a descent book for solidstate physics to embark on... note that I'm a begginer in Quantum theory..
  26. M

    Quantum Energy levels in atomic, molecular, nuclear and solid state physics

    Homework Statement Greetings everyone I have been been asked to write a 10 page essay on Quantum Energy levels in atomic, molecular, nuclear and solid state physics. My problem is that this is such a huge topic and my knowledge of quantum energy levels and solid state physics is limited...
  27. S

    Solid State Physics: Charles Kittel vs. Ashcroft

    Hello everyone, I am an undergraduate student and this year I am going to study Introductory Solid State Physics. My instructor has assigned us book of Charles Kittel. But the book has got terrible reviews on amazon. So I fear purchasing it. However there is an another book by Ashcroft that has...
  28. R

    Study Materials for Solid state physics

    I have found plenty of study materials, notes and links on Classical Mechanics and Quantum Mechanics. However I could not found any forum on this site that provides study materials of solid state physics. So please if you have got the link, please post it in here.
  29. P

    Solid State Physics: Constructing Brillouin Zones & Fermi Surfaces

    Dear every body. I have one problem of my homeworks that I can solve. Please help me! Thank you. Construct in k-spaceof the first 4 Brilloun zones of a square lattice in the extended zone scheme & show that the 1st, 2nd, 3rd, 4th Brilloun zones have all the same area. Construct these...
  30. M

    Suggested book on solid state physics?

    Hi everyone, I am currently studying solid state physics from the book by Kittel(8th ed). But in this book, the chapters are like a summary of each topic and detailed explanations do not exist. While proving a formula, several steps are omitted and just the results are given. For this reason...
  31. B

    Discover the Best Solid State Physics Textbooks: A Guide for Beginners

    Hi I am looking for some good solid state physics textbooks. Can anyone who has taken courses in solid state physics direct me to a good introductory book?
  32. N

    Cant understand those lines in a text about solid state physics

    "we want to calculate the heat enrgy of a gas molecule n - is the number of molecules per volume v_th - is the average speed of gas molecule L - is the distance which travels one molecule in a certain time we have six directions for which they travel +-x +-y +-z so in each time n/6 of...
  33. T

    Solid state physics question

    Homework Statement Given: Diamond structure with conventional lattice parameter a. Show the Fourier component of the crystal potential at the reciprocal lattice point (4(pi)/a, 0, 0) is zero. Homework Equations (I don't know!) The Attempt at a Solution The Fourier component of...
  34. Z

    Quantum and solid state physics

    Homework Statement An electron and a proton are each accelerated through a potential difference of 10MV. find the momentum in MeV/c and the kinetic energy in MeV of each using relativistic formulae and compare with the results of using the classical formulae. Are the particles moving at...
  35. F

    Solid state physics ashcroft mermin Chapter 2 paat 3

    Homework Statement The radius characteristic of the volume occupied by each electron rs is required that rs>>((h^2)/(2m*kB*T))^(1/2). What is the significance of the length rs must exceed?
  36. B

    Poisson Statistics in Solid State Physics

    Homework Statement In the Drude model the probability of an electron having a collision in an infinitesimal time interval dt is given by dt/\tau. (a) Show that an electron picked at random at a given moment will have no collisions during the next t seconds with probability e-t/\tau. (b) Show...
  37. T

    Solid State Physics - Free electron model

    Homework Statement The following constant volume heat capacity data, Cv, were obtained for a 0.05kg sample of tin at low temperature. (The sample was maintained in the non-superconducting state by the application of a magnetic field). Assuming that tin obeys the Debye model of lattice...
  38. N

    Theoretical solid state physics

    Hi all Do you know of any interesting subjects in theoretical solid state physics? Are there any theories that have had a wide impact, e.g. in computers and such? Thanks in advance,
  39. N

    Two questions on solid state physics

    Hi all. I have two questions, which I hope you can help me with: 1) In my book (Solid State Physics by Ashcroft and Mermin) it says on page 436 that: "When the wavevector k is equal to pi/a (where a is the lattice constant), then the motion in neighboring cells are 180 degrees out of phase. "...
  40. P

    Exchange interaction in solid state physics

    I(\vec{n}-\vec{m})=\frac{1}{N}\sum_{\vec{k}}I(\vec{k})e^{i\vec{k}(\vec{n}-\vec{m})} I(\vec{n}-\vec{m})=\frac{1}{\sqrt{N}}\sum_{\vec{k}}I(\vec{k})e^{i\vec{k}(\vec{n}-\vec{m})} In which cases is better to use first and in which second relation? N is number of knottes of lattice. And when I can...
  41. M

    Poster in solid state physics

    Hello everyone, I need to prepare a poster which presents an experimental technique, describes how the technique operates technically and describes one quantity it measures and connect between measured quantity and physical properties of solids. Is there any suggestion for topics which fulfill...
  42. I

    Solid State Physics - Octave (programming) help

    I'm currently undertaking a course in Solid State Physics and my professor has asked us to undertake some work in the free software 'Octave'. I have not had any programming experience in my life and I am feeling very much out of my depth. The lecturer gave us an initial file with the relevant...
  43. C

    Short answer questions on Solid state physics

    1. Platinum is silver and shiny. Why? 2. Aluminum oxide can be either transparent, red or blue. How? 3. Quartz is transparent. Why?
  44. A

    Solid State Physics (Ashcroft/Mermin)

    Homework Statement For the 1st problem, part (b) at the end of chapter 1, I am not certain what the question means. The question is " In the Drude model the probability of an electron suffering a collision in any infinitesimal interval dt is just \frac{dt}{\tau}. Show that the probability...
  45. C

    Packing fraction of body-centered cubic lattice - solid state physics

    packing fraction of body-centered cubic lattice -- solid state physics Homework Statement This is part of a series of short questions (i.e. prove everything in Kittel Ch. 1, Table 2): Prove that the packing fraction of a BCC (body-centered) cubic lattice is: 1/8 * pi * \sqrt{3}...
  46. T

    Lattice field theory in solid state physics

    I've gone through undergrad courses of QFT, Solid State Physics and Quantum Statistical Physics but the first one didn't cross path with second and third so I only got taste in QFT applications in Solid State Physics through reading Zee's "QFT in a nutshell". My first impressions was WOW! Solid...
  47. W

    Should I take Solid State Physics?

    I'll be in my senior year next year, taking Solid State in the fall. I've taken Thermal, E&M, QM, Modern, Mathematical, Stat Mech, and a few circuit labs. I'm just not sure if taking SS would be worth it for me. The course description makes it out to be what we just did in Stat Mech this...
  48. J

    General Help Solid State Physics

    Hello all, Im officially doing one of my last subjects in my degree (Solid state physics) but i think the subject is going to kill me! Does anyone know any good websites explaining the basics of K Space, Brillouin Zones Bloch waves, phonons, DOS Etc. Any help would be much...
  49. P

    Solving Solid State Physics Problem with Strong Coupling Approximation

    Good evening , I will resolve a small problem but I don't know how I can do, In l approximation of the strong coupling, the strucure of band of the electrons in a certain crystal is given by: E(k)=-[E1*cos(kx.a)+E2*cos(ky.b)+E3*cos(kz.c) ] Show that for a band very little filled, the...
  50. P

    About Optical and Solid State Physics

    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...
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