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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 25,134
Hello all, I want to know if decreasing the size of material has effects on its ionic properties? I mean,...
Jan8-09 08:28 AM
saray1360
0 1,484
hello. I'm studying a project on Thz radiation and have to establish what material would make a good THz detector....
Jan8-09 05:53 AM
0xDEADBEEF
3 2,423
I'm wondering what determines Si indirect semiconductor? Si is cubic diamond structure. So it's optically and...
Jan7-09 09:01 PM
Dr Transport
2 9,748
I found atomic spectral data on the hydrogen atom, more specifically the first isotope of the hydrogen atom, protium. ...
Jan7-09 01:05 PM
0xDEADBEEF
10 2,634
Experiment: Take a known quantity of water in a container. The container walls should be able to sustain high amounts...
Jan7-09 11:12 AM
sankz
0 1,018
To the moderator: please move this to the section on differential equations if you think it would be better there. ...
Jan5-09 02:36 PM
mercurial
6 6,629
To the moderator: I'm not sure if this should go here or in the Computational Physics forum. Please shift it there if...
Jan4-09 09:06 PM
maverick280857
7 4,758
On what principle does a substance sublime? I mean , does it work towards thermal equillibrium and hence the gain in...
Jan4-09 01:05 AM
zd1899
3 7,464
Greetings, I'm trying to get an intuitive understanding about a process involving an ion mobility that (I'm told) has...
Jan4-09 12:53 AM
WarpedWatch
2 1,603
Hi, I have a little question about atomic models 1. Does Rydberg equation only apply to hydrogen 2. What is...
Dec31-08 07:56 PM
olgranpappy
3 2,862
I know the process of their production, now I want to know what's their origin? How does an atom produce them? ...
Dec31-08 01:45 PM
Lisa!
12 7,835
Hi, I have some generated pseudopotentials, which I have taken them from different sources, one of them octopus. ...
Dec30-08 04:24 PM
olgranpappy
3 1,677
I'm trying to derive a low temperature series expansion for the chemical potential of a weakly interacting Fermi gas....
Dec29-08 08:25 AM
QuasiParticle
1 3,002
hi all, I have read papers in which they specify the dangling bonds on the surfaces and tey saturate it with...
Dec28-08 09:28 AM
saray1360
2 2,137
I have seen, in several places, derivations of a formula for the current flow in a 1d quantum wire connected to...
Dec28-08 02:53 AM
lion8172
0 1,424
Hi, I was wondering what really ARE spectral lines? Are they electromagnetic waves? But...
Dec27-08 04:28 PM
Renge Ishyo
4 2,912
I've just completed an experiment using a laser to excite electons and hole in a germanium sample, and i want to fit a...
Dec23-08 05:03 PM
pazmush
6 2,644
can electron energy levels just be considered the self capacitance of an atom?
Dec22-08 01:44 AM
edguy99
47 5,335
Hi I'm looking at the structure of the Zeeman effect on the two yellow lines in the sodium spectrum. I'm using a...
Dec20-08 02:20 PM
hadoque
2 1,519
Hi there! Everyone knows that the color of certain objects is due to their capability to absorb and to reflect...
Dec20-08 07:24 AM
ledamage
5 2,399
I checked Wiki and ran a forum search, yet I am in need of an explanation of "Surface Energy" that works for me. ...
Dec18-08 12:05 AM
saray1360
2 1,219
Hi! I was looking at the high- and low-temperature limits of the specific heat in the quantum theory of cristals...
Dec17-08 08:30 PM
Manchot
3 2,993
Hi Community! I have to study the valence bad of Iron. Could anyone suggest me some articles where spin-resolved...
Dec17-08 03:56 AM
discipulus
2 2,295
I'm doing MD calculations and I am having trouble providing a satisfactory explanation for the following to my profs. ...
Dec14-08 06:00 AM
handsomecat
0 1,490
Hi all, according to textbook definition the effective mass of a particle in a periodic potential is ...
Dec13-08 06:45 PM
iamquantized
12 10,773
I'd like to know some informations about the interaction between carbon atomes and aluminum oxide. is there a strong...
Dec13-08 02:50 PM
Integral
1 1,282
Hi, Im just wondering, why the fermi level rise up with raisng up the temperature when donors are present in...
Dec13-08 10:12 AM
montser
3 1,651
Hi, I have here a CV measurment on silicon sample with the oxide thickness of 150nm.How can i find the doping type...
Dec13-08 07:26 AM
montser
0 2,934
Hi friends, I am currently reading a review of band-structure calculation of group-III nitrides. I got stuck at ...
Dec12-08 04:20 PM
olgranpappy
1 1,348
hi all i wonder if someone can help me to know about the concentration measurement unit (% at. ), what does that...
Dec12-08 08:39 AM
Redbelly98
2 1,390
I recently stumbled on Smart Polymers while researching Memory Metals. My application would be better suited to use...
Dec9-08 08:20 AM
mselak500
0 1,938
Can someone tell me about photon emission? If an electron bound to a nucleus emits a photon and drops to a lower...
Dec9-08 04:31 AM
ZapperZ
19 2,995
I apologize if I posted this in the wrong area. Hopefully, I chose correctly. I guess my question is linked to the...
Dec8-08 09:02 PM
fluidistic
2 939
Hi Guys. This is more chemistry than physics but maybe you can help. I am having a hard time find out what (salt)...
Dec8-08 11:38 AM
Jp_Garant
0 9,518
Hey there. I have a question concerning the effective masses in silicon. From what I've learned, the effective...
Dec7-08 09:13 PM
Dr Transport
3 12,805
Hi, I'm a college student in Singapore... Currently doing some research on carbon nanotubes, and so happened one...
Dec7-08 04:41 PM
malawi_glenn
1 1,111
Why do photons repel one another?
Dec7-08 03:20 PM
psmarz
6 1,979
Hi all, I'm wanting to write a small program simulating a 1D lattice with some motion. I have the equation: ...
Dec6-08 04:11 PM
mercurial
1 1,230
Does anyone know of a combination type metal called tungsten zirconium nitrate or how to make it or the formula or...
Dec4-08 12:21 PM
The000Agent
2 3,000
is there any anyone doing experiments?
Dec2-08 09:43 AM
ZapperZ
2 2,434

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