Re: [Wien] Fe nano-crystal

2016-04-22 Thread Lyudmila Dobysheva

22.04.2016 13:12, DibyaR Prakash wrote:

I have created a  Fe nano-crystal from a supercell method 3x3x3 with 10
Angstrom Vacuum along x y and z-axis. The calculation of DOS shows an
energy band gap in both the spin channel, a figure of totals DOS has
been attached.

...

I am not sure whether these results are accurate or not I just want to
know am I going correct or not? How to confirm the result of Fe-nano
crystal, calculated from wien2k (DFT) ?


The problem of "whether your calculation model correctly describes real 
objects or not" is the most important one. It can be solved by analogy, 
I'd say that no other way exists.


Though, if somebody knows other way I'd like to know it also, very much.

By the way there was no a promised figure of total DOS in the letter, it 
would be interesting.


Large magnetic moments of Fe look not surprising for me, for Fe atom at 
Cu surface I had 3.05 mu_B


I imply that you have conduct relaxation of atoms and lattice (?).

Best wishes
  Lyudmila Dobysheva
--
Phys.-Techn. Institute of Ural Br. of Russian Ac. of Sci.
426001 Izhevsk, ul.Kirova 132
RUSSIA
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[Wien] ?????? Fe nano-crystal

2016-04-22 Thread ????????
I??m wondering that the results are related to the initial  moments  of all the 
Fe atoms which depends on your initial setting.
Dexi Shao 

 



--  --
??: "DibyaR Prakash"<dibyaprakash...@gmail.com>; 
: 2016??4??22??(??) 5:42
??: "wien@zeus.theochem.tuwien.ac.at"<wien@zeus.theochem.tuwien.ac.at>; 
: [Wien] Fe nano-crystal




Dear Wien2k users



I have created a  Fe nano-crystal from a supercell method 3x3x3 with 10 
Angstrom Vacuum along x y and z-axis. The calculation of DOS shows an energy 
band gap in both the spin channel, a figure of totals DOS has been attached. 
The results of total magnetic moment (Bohr Magnetron) is very high as shown 
below,
 
MAGNETIC MOMENT IN INTERSTITIAL = 1.39056
 
Fe1: MAGNETIC MOMENT IN SPHERE 1 = 3.54229
Fe2: MAGNETIC MOMENT IN SPHERE 2 = 3.14507
Fe3: MAGNETIC MOMENT IN SPHERE 3 = 3.40010
Fe44: MAGNETIC MOMENT IN SPHERE 4 = 2.80862
 
Fe5: MAGNETIC MOMENT IN SPHERE 5 = 1.68789
Total: MAGNETIC MOMENT IN CELL = 104.18207
 
I am not sure whether these results are accurate or not I just want to know am 
I going correct or not? How to confirm the result of Fe-nano crystal, 
calculated from wien2k (DFT) ?
 

Sincerely,
Dibya Prakash Rai
-
Assistant Professor

Department of Physics 

Pachhunga University College

Mizoram University

Aizawl,Mizoram

India-796001

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[Wien] Fe nano-crystal

2016-04-22 Thread DibyaR Prakash
Dear Wien2k users

I have created a  Fe nano-crystal from a supercell method 3x3x3 with 10
Angstrom Vacuum along x y and z-axis. The calculation of DOS shows an
energy band gap in both the spin channel, a figure of totals DOS has been
attached. The results of total magnetic moment (Bohr Magnetron) is very
high as shown below,

MAGNETIC MOMENT IN INTERSTITIAL = 1.39056

Fe1: MAGNETIC MOMENT IN SPHERE 1 = 3.54229
Fe2: MAGNETIC MOMENT IN SPHERE 2 = 3.14507
Fe3: MAGNETIC MOMENT IN SPHERE 3 = 3.40010
Fe44: MAGNETIC MOMENT IN SPHERE 4 = 2.80862

Fe5: MAGNETIC MOMENT IN SPHERE 5 = 1.68789
Total: MAGNETIC MOMENT IN CELL = 104.18207

I am not sure whether these results are accurate or not I just want to know
am I going correct or not? How to confirm the result of Fe-nano crystal,
calculated from wien2k (DFT) ?

Sincerely,
Dibya Prakash Rai
-
Assistant Professor
Department of Physics
Pachhunga University College
Mizoram University
Aizawl,Mizoram
India-796001
-
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