Threads Tagged with lattice Thread / Thread Starter Last Post Replies Views I have the following homework question I am working on. I am given three scattering angles: 42.8, 73.2, 89. (in... Mar3-14 10:26 AM M Quack 3 242 Atomic, Solid State, Comp. Physics 1. The problem statement, all variables and given/known data I am given three scattering angles: 42.8, 73.2, 89.... Mar2-14 05:02 PM barrinmw 0 84 Advanced Physics Homework Unfortunately, my solids state physics textbook doesn't provide the numbers. However, I know the number of nearest... Feb28-14 02:35 PM mfb 1 95 Advanced Physics Homework On the drawing below is a hexagonal lattice. For the basis vectors one can choose either the set of arrows in black or... Feb26-14 03:22 PM haruspex 5 156 Precalculus Mathematics Homework Suppose we allow two masses M1 and M2 in a one dimensional diatomic lattice to become equal. what happens to the... Feb19-14 08:43 AM Anon0123 4 401 Atomic, Solid State, Comp. Physics 1. The problem statement, all variables and given/known data Show that for a simple square lattice (in 2-D) with the... Feb11-14 02:45 AM maajdl 1 127 Advanced Physics Homework 1. The problem statement, all variables and given/known data NaCl (a0 = 5.64A° ), NaBr (a0 = 5.98A° ) and KCl (a0 =... Feb10-14 09:41 AM ehild 1 133 Advanced Physics Homework Silicon has 14 electrons, this means if it fills up its first two shells it will have 4 electrons in the outermost... Feb4-14 01:08 PM SteamKing 3 396 Chemistry Hello all, I'm in gen chem 2 and we're going over how to calculate the enthalpy of lattice formation. The way given... Feb4-14 09:42 AM aleksbooker 2 180 Biology, Chemistry & Other Homework 1. The problem statement, all variables and given/known data In a powder diffraction measurement, we obtain a measure... Feb1-14 09:18 PM Izzhov 0 144 Advanced Physics Homework 1. The problem statement, all variables and given/known data The vectors r1 and r2 below represent atomic positions... Jan31-14 02:42 AM ehild 1 177 Advanced Physics Homework 1. The problem statement, all variables and given/known data Given that the primitive basis vectors of a lattice area... Jan30-14 06:22 AM BruceW 3 180 Advanced Physics Homework I have a question if you have an Hamiltonian given by H = \sum_{i,i+1} \sigma_i \cdot \sigma_{i+1} where i can... Jan28-14 03:30 AM adityaphysics 2 506 Atomic, Solid State, Comp. Physics I'm currently in a modern physics class and one of our labs was an electron scattering experiment that required the... Dec9-13 08:32 PM bGODLESS 0 396 Introductory Physics Homework Hi, Could someone explain how to calculate the probability that two substitutional dopants will reside in adjacent... Dec7-13 11:17 AM Claude Bile 1 680 Atomic, Solid State, Comp. Physics My book has an awful lot of text about these special lattices where everything looks the same from every lattice... Dec3-13 02:50 PM M Quack 11 714 Atomic, Solid State, Comp. Physics Hi, N atoms are arranged to lie on a simple cubic crystal lattice. Then M of these atoms are moved from their... Dec3-13 01:34 PM mfb 3 385 Advanced Physics Homework Hi everyone. Suppose we consider an electron in a two dimensional lattice, whose dispersion relation is given by: ... Nov24-13 04:08 PM Einj 6 570 Atomic, Solid State, Comp. Physics Say we have an electron traveleing in a crystalline conductor. It can scatter off of defects such as vacancies,... Nov22-13 11:09 AM M Quack 1 581 Atomic, Solid State, Comp. Physics 1. The problem statement, all variables and given/known data Si(001) has the following lattice vectors in a (2x1)... Oct21-13 10:32 PM jonesj314 4 374 Introductory Physics Homework 1. The problem statement, all variables and given/known data I have a system of N non-interacting anharmonic... Oct19-13 05:02 PM dipole 0 261 Advanced Physics Homework Introduction Dear all, I'm working on an assignment to model a ship-to-shore crane for a FEM design course. Having... Oct19-13 12:31 PM SteamKing 3 499 Mechanical Engineering Hello, Suppose I have a primitive cubic cell with 8 atoms, one on each corner of the cube. I don't understand how... Oct11-13 03:32 PM Alkim 1 905 Materials & Chemical Engineering 1. The problem statement, all variables and given/known data Show for a simple square lattice that the kinetic energy... Oct6-13 07:38 AM Physics Monkey 1 365 Advanced Physics Homework Hello, I am having difficulty understand the method to finding lattice directions in a HCP unit cell. I don't... Oct4-13 04:30 AM Woopydalan 0 445 Atomic, Solid State, Comp. Physics Hi Everybody, I am learning solid state physics using a German book called "Festkorperphysik" written by Gross and... Oct3-13 04:00 AM silverwhale 0 551 Atomic, Solid State, Comp. Physics Most lattices I've come across in condensed matter, like the Kitaev model, are regular lattices and don't fit on a... Sep20-13 12:28 PM fzero 1 499 Atomic, Solid State, Comp. Physics As we know bosons in an optical lattice in superfluid phase, the tunneling element J>>U, where U is the on-site... Jul10-13 11:36 PM Questionasker 0 270 Quantum Physics Hi PF, I've been wondering why lattice structures form in metals and in salts. Why do fcc or bcc structures reduce... Jun13-13 12:03 PM daveyrocket 3 582 Atomic, Solid State, Comp. Physics I have problems putting together the three ideas (1) the meets and joins of a lattice are unique, hence lattices must... Jun4-13 12:07 PM nomadreid 4 447 Set Theory, Logic, Probability, Statistics Would either or both of these work as a lattice on the closed unit circle in the plane? (1) Using a linear order:... May27-13 03:27 AM nomadreid 0 303 Set Theory, Logic, Probability, Statistics So mobile devices use radio waves so I had this thought that if there was evidence linking radio waves with changing... May8-13 01:47 PM DaleSpam 1 376 Classical Physics what is this answer choices: a. Primitive cubic with an octahedral hole b. Body centered cubic with an octahedral... May7-13 04:41 PM DrDu 5 823 Chemistry I am currently working my way through Kitel's Solid State Physics book. When discussing the consequences of the... Apr29-13 02:53 AM Jano L. 1 696 Atomic, Solid State, Comp. Physics Ultra cold atom is achieved by laser cooling. For optical lattice, it is achieved by the interference of... Apr15-13 07:16 AM DrClaude 1 667 Atomic, Solid State, Comp. Physics 1. The problem statement, all variables and given/known data A two-dimensional rectangular crystal has a unit cell... Apr7-13 04:34 PM 1Kris 4 441 Advanced Physics Homework Hi, In my book it says that it is difficult to determine the lattice energy of NaCl so they use the Haber cycle... Mar25-13 01:18 PM mcfaker 2 526 Biology, Chemistry & Other Homework Hello! Long time lurker, first time poster. This is the first of a couple of questions which has totally stumped me,... Mar13-13 09:14 PM TSny 3 452 Advanced Physics Homework Hi everyone, I'm reading some lecture notes on statistical physics and thermodynamics and I'm stuck at an... Mar4-13 02:35 PM Yoran91 0 267 Classical Physics This is from Molecular Driving Forces, 2nd Ed. 5.3: Calculating the entropy of mixing. Consider a lattice with N... Feb24-13 10:27 PM E'lir Kramer 2 368 Advanced Physics Homework