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Atomic, Solid State, Comp. Physics

- Exp. & theo. methods for atoms, molecules, condensed matter
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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Feb23-13 08:41 AM
1 24,305
Learing about matter and what it is composed of, I'm spending a lot of time trying to wrap my brain around the idea...
Y 09:13 PM
1 64
So if a Titanium Ion has a charge of +2, does that mean it has a whole charge of twice the electron 2Xe?
Y 08:11 PM
2 92
Hello everyone. I am a Hungarian born Australian theoretical/applied physicist. This is my first post on the...
Y 07:42 PM
Dr Transport
2 267
I knew this may not be possible, but I was wondering if you can compare kinetic energy with the energy that makes up...
Y 07:35 PM
2 67
although the distance from the nucleus and shielding effect is more for 4s orbital than a 3d orbital ,but yet the...
Y 04:56 AM
2 80
what are the different mechanisms that cause plasma emission?
Jul23-14 11:34 PM
Greg Bernhardt
1 446
Hello all, Does anyone knows what is the exact energy gap of Titanium Nitride (TiN) film? Is it indirect band gap...
Jul23-14 11:34 PM
Greg Bernhardt
1 483
How is it that certain electronic goods are designed to fail? Planned Obsolescence is just that, planned. So what goes...
Jul22-14 07:25 PM
2 287
All the books that deal with the p-n junction under applied bias asume that the same equations used for the...
Jul22-14 03:14 AM
0 216
I have been chewing up some time ago the Schottky-Mott theory of Schottky Barrier height (which ignores the surface...
Jul22-14 03:10 AM
0 118
Hello everybody, this is my first time being here. I am a beginner learning some introductions on Bose-Einstein...
Jul21-14 07:57 AM
1 353
Hello! I was just having a hard time understanding how reverse bias works for a p-n junction. Put simply, why don't...
Jul21-14 12:52 AM
4 918
i search all over the web but i cannot find the definition. Although I find all the literature saying that metal have...
Jul21-14 12:50 AM
2 630
It's known that the Density of States in 2D is given by, g_2(E)dE = \frac{a^2m}{\pi\hbar^2}dE The density of...
Jul20-14 10:29 AM
1 575
I'm having difficulties understanding the role of scattering on phase coherence in the Aharonov Bohm Effect. In...
Jul18-14 01:14 PM
M Quack
1 800
Hello I am trying to fabricate a Si reflecting solar cell. When a Solar cell is exposed to radiation and connected...
Jul17-14 01:05 AM
M Quack
3 1,096
This question is directed at resident theoretical electron physicists in PF Regarding Azimuthal Quantum Energy...
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Hi, I'm studying the p-n junction and I'm a little confused about the depletion layer that forms. I understand how...
Jul16-14 01:35 PM
2 273
Hello all, My lab recently purchased a deformable lens, which can change its focal length from 140 mm to 40 mm and...
Jul14-14 10:36 PM
Simon Bridge
12 937
According to solid state texts in Brillouin zone borders where diffraction condition satisfies we have a band gap....
Jul14-14 06:28 PM
3 396
To simplify this question, let's say the ocean is 3800 meters deep and 1 meter wide in either direction. Now let's add...
Jul14-14 04:34 PM
M Quack
2 257
I have been looking into broadening mechanisms and I'm stuck at trying to provide a physical explanation for power...
Jul13-14 03:36 AM
3 919
Hi, there I am reading the book called "Atom-Photon Interaction", the chapter of " Radiation considered as a...
Jul12-14 11:54 PM
2 1,353
I am reading section 8.5.1 of this book (page 442 of the book, page 465 of the pdf). The author claims the...
Jul12-14 11:51 PM
2 1,297
A new spintronic LED was invented by Utah physicists. ...
Jul12-14 11:48 PM
8 1,641
In ARPES measurements, people say that the laser light cannot cover a wide area of momentum space whereas the...
Jul12-14 04:46 AM
4 1,177
I'm new here and have a very basic question that I haven't been able to see answered here or elsewhere, so forgive the...
Jul10-14 06:28 PM
3 640
What is the proof for quantisation of electrons energy around an atom?
Jul10-14 04:22 PM
M Quack
14 1,353
I need help with something that i seemed to remember was fairly easy, but just can't seem to find the simple formula...
Jul10-14 04:15 PM
1 547
Hi all, I'm working on a Green function chapter of my dissertation, am referencing the equation, G(k,\omega) =...
Jul10-14 02:02 PM
3 721
hello, i need the values for the absorption cross sections of positive hydrogen ions for a specific set of...
Jul10-14 03:18 AM
5 703
to the untrained eye electrons and protons seemed to be very different, different size, mass and composition but they...
Jul9-14 03:02 PM
10 971
Suppose we have an interface between a semiconductor and a liquid electrolyte that contains a redox couple whose redox...
Jul9-14 12:05 PM
4 1,424
Hey guys, I've recently read about the Tavis-Cummings and Dicke models and I got a little bit confused about them....
Jul9-14 06:20 AM
1 715
Why is Bohr's model of an atom not able to explain the spectrum of atoms other than hydrogen? Can you give an example?...
Jul9-14 03:14 AM
9 1,078
It has been quite some years since I last used quantum chemistry software. Now I would like to use some program...
Jul8-14 12:53 PM
4 1,520
Hello all, I have been working on an NPT monte carlo simulation. I would like to know how I can measure the...
Jul8-14 02:03 AM
Useful nucleus
3 913
For which reason some of materials have direct gap and the other have indirect gap? In other words, what we have to...
Jul7-14 04:14 PM
2 1,327
Hello all, I am a grad student in materials science. As part of a research project, I need to measure/detect the...
Jul7-14 04:11 PM
2 1,381
Hi everyone! I run the software ABINIT. It allows one to model solids as a plane-wave pseudopotential. Since it is...
Jul7-14 04:06 PM
1 1,130

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