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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
ZapperZ
1 26,210
I am reading some theoretical papers on the defects in semiconductors. Theorists can calculate the formation energy of...
Feb13-09 11:12 PM
smokefly
2 9,860
I have just seen a photograph known as a Laue photograph. I am reading about the Laue method of X-ray Diffraction. ...
Feb13-09 08:38 AM
nasu
2 5,170
How common is it for all the electrons in an atom to be in the ground state? I ask because in spontaneous emission,...
Feb10-09 01:58 PM
thenewmans
0 1,388
Hi, Ok, so let's say we have a non-degenerate n-type semiconductor such that the Fermi-level/chemical potential is...
Feb9-09 03:10 PM
snapback
3 6,822
Just out of curiosity, why is quartz transparent to uv light?
Feb8-09 11:52 AM
closed
0 1,351
Can anyone explain why these two field patterns are so similar? The (3,2,1) hydrogen wave function, and this ...
Feb8-09 09:21 AM
nuby
6 1,459
Hi, is there anyone who works on the synthesis of alumina membrane ??
Feb7-09 03:28 PM
physicist888
0 1,348
Always be used in experiments... but when it appears in literature, most authors never tell the exact value of 1 ML...
Feb7-09 01:09 PM
yzou_ua
6 8,043
Hi. Could anyone explain me what is a heterostructure clearly? And when a heterostructure is a quantum well?
Feb7-09 05:55 AM
Arham
2 1,544
I have been looking at websites on electron affinity. My notes report it as 'energy released when an atom gains an...
Feb5-09 03:45 PM
Gokul43201
1 1,354
I wonder if anyone have an idea about the software (CASA) used for the treatement of data dounded by XPS analysis. If...
Feb5-09 05:17 AM
physicist888
2 2,513
Hi, One of the fields of condense matter is molecule dynamics.I want to know does quantum mechanics use in this...
Feb3-09 11:57 PM
kanato
2 1,459
Hi, I always thought vacuum is the best insulator, until I find figures that state breakdown field for vacuum is about...
Feb3-09 09:43 AM
ZapperZ
6 10,209
Hi At the moment I am trying to make a field effect transistor on a SOI wafer. The plan is to omit the top gate in...
Feb1-09 05:20 AM
Excom
0 2,468
Hello!Happy New Year! I am currently working on the thermal dependence of photoluminescence measurements of Zinc...
Jan31-09 05:00 PM
snapback
3 1,431
As the title says, does anyone know of a good book or review article about point contacts (both quantum and...
Jan29-09 05:16 PM
Gokul43201
1 1,499
in metals the valence electrons become degenerate. thats why metals are so much denser. but hydrogen has no electron...
Jan29-09 05:09 PM
granpa
0 1,037
ℽ = ˝Nbερa ℽ = surface energy Nb = number of broken bonds ε = bond strength ρa = surface atomic density ℽ{100}...
Jan29-09 12:24 PM
intrepid_nerd
0 1,765
Hi, Does anyone know any good Linux/Unix software for analysing optical emission spectra? I've been searching the...
Jan28-09 06:53 PM
Dr Transport
1 1,619
Hi everyone, i wonder if anyone has an idea how to attack chemically an amorphous carbon film. Is it possible to...
Jan28-09 06:48 AM
f95toli
4 1,811
We know that Pyrolytic carbon is Diamagnetic only in one plane of direction but is it possible to cut it into slices...
Jan28-09 02:05 AM
Accipiter209
8 7,798
Hello, folks. Q: How can one measure the density of states of a semiconductor and a conductor? I would imagine you...
Jan27-09 11:56 AM
Modey3
6 4,935
What exactly does a Bose-Einstein Condensate look like with the naked eye? Is there any special about what it looks...
Jan25-09 03:50 PM
Cthugha
19 2,563
Hi Is there any other effect than the Zeeman effect that can broaden a spectral line in a magnetic field? /Johan
Jan25-09 01:32 PM
Creator
4 1,450
Hi guys: Could someone please explain the definition of Urbach energy and its relation with optical absorption?...
Jan25-09 12:38 PM
sinayu71
0 6,249
Hi all, I have a doubt regarding interaction energy term between atoms of crystal. 1.) Actually in interaction energy...
Jan25-09 08:41 AM
GAGS
0 988
hi which expermient we should do to proof that a material's semiconductor?? thanks for replying
Jan25-09 08:08 AM
snapback
5 2,601
How to separate the spectrum of cadmium in the experiment zeeman effect to two lines if we look at it in parallel to...
Jan24-09 03:26 PM
AFM
0 1,448
Hello, any one knows a good article that describes the first-principles calculations please link or type the title of...
Jan24-09 03:19 PM
snapback
1 857
I'm working on some calculations on Al0.35Ga0.65As & In0.65Al0.45As. Someone can tell me where i can find the...
Jan24-09 01:57 PM
Dr Transport
2 1,262
Hi, can anyone explain how miller indices can be determined for high index planes? For example, why is it that ...
Jan21-09 09:44 PM
Modey3
1 2,443
Hi everyone, I would like to know what exactly is a "smearing" and a "smearing width" and its relationship with the...
Jan21-09 09:35 PM
Modey3
1 3,262
Dunno whether this is the right place for this question! but As it is related to subatomic particles, I think it is!!...
Jan21-09 02:21 PM
f95toli
9 1,766
Hello to every one! I plan to undertake some studies in ferroelectric-related structual phase transition. Would...
Jan21-09 07:28 AM
hiyok
0 1,080
Hi. I have 2 questions about second-order coherence – g2(t): 1) For collision-broadened light according to the...
Jan20-09 03:52 AM
Cthugha
1 2,180
ehim ehim...hello, I wonder if any one knows about “group theory” which is helpful in describing band gap structure...
Jan19-09 05:39 PM
Dr Transport
1 2,555
If the cooper pair phase of a superconductor is fixed. Is there a phase -. particle number uncertainty like in...
Jan18-09 02:10 PM
genneth
1 1,119
Maybe this counts as computational physics, or statistics I don't know where this topic belongs. Ok so I have this...
Jan18-09 07:08 AM
0xDEADBEEF
2 1,368
I was watching a documentary about Paul Dirac and his work and I have a pretty basic question. Matter is made of...
Jan17-09 07:42 PM
turbo
7 4,197
in a single atom can more than one electron be transitioning between electron shells at the same time? can the atom...
Jan17-09 05:56 PM
Redbelly98
3 822

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