Condensed matter physics is a branch of physics that deals with the physical properties of condensed phases of matter. | Contact experts in Condensed Matter Physics to get answers
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Questions related to Condensed Matter Physics
This question is related to magnetism and application of density functional theory (DFT)
08 April 2017 5,380 5 View
Could you please tell me how to fit the M-T curve (below on the attached file) using Brillouin function in Origin. As far as I know, Origin doesn't have built-in Brillouin function, so I created...
07 April 2017 8,945 14 View
i use qe to calculate the bands of mgb2 ,and get a semiconductor result with gap.but from the paper i know it is a superconductor, i dont know whats wrong with the parameter i...
23 March 2017 8,319 3 View
Hello I want to know any reference book for proper theoretical proof of mobility of holes in P-type silicon, considering only lattice scattering. Since most the theory has been devoted to...
20 March 2017 5,068 2 View
A paper reported that La0.5Ca0.5MnO3 has average A-site cation radius of 1.98 angstrom. I have tried all the ionic radius of La and Ca using every possible coordination number yet i haven't been...
18 March 2017 6,527 5 View
In our work , we reported the estimation method for calculating the optical band gap and determining the type of inter band transition. The empirical fitting of experimental data to the law...
17 March 2017 3,362 1 View
Generally high spin-orbit interaction dephase the spin in materials. then how topological insulators with lage spin orbit interaction can show large spin polarization? please explain thank you!
06 March 2017 6,405 4 View
pseudopotential, quantum espresso, DFT
04 March 2017 4,267 2 View
Antiferromagnetic materials, by forming magnetic domain couples of the same magnitude in antiparallel direction, nullify each other resulting in zero magnetic moment. Similarly, ferrimagnetic...
27 February 2017 4,947 2 View
In the "1111" and "122" families of Fe-based pnictides, short-range stripe order was observed above TN. Does such short-range stripe order break the spin rotational symmetry? I only know that...
26 February 2017 8,581 1 View
The emphasis is on the fact that in this case the transition is multiple and not single. Your ideas and contributions are welcome. Thanks
26 February 2017 1,432 3 View
dielectric constant decrases with increase of temperature
25 February 2017 5,477 3 View
According to TADF papers, the TADF materials possess an energy gap between the lowest singlet (S1) and triplet (T1) excited states that is sufficiently small (ΔEST between S1 and T 1 is less than...
23 February 2017 1,725 1 View
Measuring pieces were different pieces of the same sample. Hysteresis width has reduced quite a bit and moments start saturating at higher fields which was not observed at previous measurements....
18 February 2017 6,812 5 View
I searched in literature and found that the metallic 1T phase of monolayer MoS2 has the space group P-3m1 with a=3.16 A and c=12.30 A. Further, the atomic positions appear to be: Mo: 0, 0, 0 S:...
14 February 2017 1,218 2 View
What are high symmetry points in a crystal and how the values of values of various high symmetry points like Gamma, K, X, L, M etc. have been calculated for a particular crystal structure?
13 February 2017 6,975 7 View
The Hall effect is explained with Lorenze forces.This effect has maximal value when electric current I and magnetic fild B are mutually orthogonal. The Magnetoresistive effect of resistance...
12 February 2017 5,088 11 View
We know that high doping densities cause the band gap to shrink in semiconductor. I found the general relationship between doping density and band gap change as delta...
10 February 2017 3,661 6 View
Strongly correlated system Magnetism Condensed matter physics
09 February 2017 7,377 1 View
Magnetism Condensed Matter Physics
09 February 2017 9,961 28 View
I am trying to calculate the trap binding energy of a small impurity element X at the grain boundary of another element Y using DFT. The equation I found in literature was EbT(X,Y)= E(X)+E(Y) -...
09 February 2017 2,450 2 View
Hello, Hall measurements with Hall bar geometries are well understood for bulk materials. My question is: Can you translate the common bulk equations for RH, the carrier concentration and...
02 February 2017 6,852 6 View
I know there are methods of doping graphene to induce a band gap. But, I am curious for other materials - MoS2 unfortunately, has a large 2 eV band gap. Also, are there other metallic or zero band...
02 February 2017 2,413 4 View
Dear All, I want to perform electronic structure calculations for a perovskite compound containing two types of magnetic cations. There are no reports on the magnetic configuration of the...
01 February 2017 3,965 2 View