Just let me know how did you calculate the DOS..

On Sat, Feb 3, 2018 at 3:04 AM, Nick Papior <nickpap...@gmail.com> wrote:

> Dear Suman,
>
> I think you should solve this yourself.
>
> 2018-02-02 5:56 GMT+01:00 Suman Chowdhury <sumanchowdhur...@gmail.com>:
>
>> Dear Nick Papior,
>>
>> Thank you so so much for your help. Can you help me in this regard about
>> how I can get the correct coordinates for plotting the band structure??
>>
>> On Thu, Feb 1, 2018 at 3:56 PM, Nick Papior <nickpap...@gmail.com> wrote:
>>
>>> If I run your system without performing cell relaxations I find the
>>> attached eigenvalues (for the Monkhorst-Pack grid).
>>>
>>> In this case there is *only* a bandgab of ~0.5 eV. Provided that the
>>> cell-relaxation does not change the spectrum drastically then this is what
>>> you should suspect in the PDOS.
>>> Secondly, the PDOS is *exactly* reproducing the bandgab in this
>>> calculation.
>>>
>>> 1) I would highly suggest you to perform cell/coordinate relaxations in
>>> one directory, then afterwards perform analysis on the relaxed structure,
>>> PDOS, band-structure, optical, etc.
>>> 2) Possibly your band-structure coordinates are wrong because when I
>>> plot the bandstructure for this structure it does not capture the correct
>>> band gab (this *has* to be the problem).
>>>
>>> 2018-01-31 16:35 GMT+01:00 Suman Chowdhury <sumanchowdhur...@gmail.com>:
>>>
>>>> I have just tried to see the variation of TDOS by changing the smearing
>>>> parameter. But I could not observe any change in it.
>>>>
>>>> On Wed, Jan 31, 2018 at 6:44 PM, Suman Chowdhury <
>>>> sumanchowdhur...@gmail.com> wrote:
>>>>
>>>>> This is the fdf that I have used...
>>>>>
>>>>> On Thu, Jan 25, 2018 at 11:40 AM, Nick Papior <nickpap...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Dear Suman,
>>>>>>
>>>>>> Without data (plots) or fdf file it is very difficult to help you.
>>>>>> It could be that your smearing parameter is too large.
>>>>>>
>>>>>>
>>>>>> 2018-01-24 15:13 GMT+01:00 Suman Chowdhury <
>>>>>> sumanchowdhur...@gmail.com>:
>>>>>>
>>>>>>> Dear SIESTA User,
>>>>>>>
>>>>>>> Recently I am getting some confusing results by using SIESTA. While
>>>>>>> plotting a band structure I am getting a band gap which is quite large.
>>>>>>> However, when I am trying to plot its corresponding total partial 
>>>>>>> density
>>>>>>> of states (PDOS), I can clearly see that there is no existence of any 
>>>>>>> band
>>>>>>> gap. But interestingly the component PDOS are giving the required band 
>>>>>>> gap.
>>>>>>> The problem is with the total PDOS. Do any of you have any idea about 
>>>>>>> these
>>>>>>> kinds of results...
>>>>>>>
>>>>>>> --
>>>>>>> *Dr. Suman Chowdhury*
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> *Assistant Professor Dept. of Physics, Bangabasi College Kolkata-
>>>>>>> 700009, West Bengal, India.*
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Kind regards Nick
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> *Dr. Suman Chowdhury*
>>>>>
>>>>>
>>>>>
>>>>> *Assistant Professor Dept. of Physics, Bangabasi College Kolkata-
>>>>> 700009, West Bengal, India.*
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> *Dr. Suman Chowdhury*
>>>>
>>>>
>>>>
>>>> *Assistant Professor Dept. of Physics, Bangabasi College Kolkata-
>>>> 700009, West Bengal, India.*
>>>> * Ph no-+91-9830512232 <+91%2098305%2012232>*
>>>>
>>>>
>>>
>>>
>>> --
>>> Kind regards Nick
>>>
>>
>>
>>
>> --
>> *Dr. Suman Chowdhury*
>>
>>
>>
>> *Assistant Professor Dept. of Physics, Bangabasi College Kolkata- 700009,
>> West Bengal, India.*
>> * Ph no-+91-9830512232 <+91%2098305%2012232>*
>>
>>
>
>
> --
> Kind regards Nick
>



-- 
*Dr. Suman Chowdhury*



*Assistant Professor Dept. of Physics, Bangabasi College Kolkata- 700009,
West Bengal, India.*
* Ph no-+91-9830512232*

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