Hello Anton,

in short, a Kubas bond happens among a sigma orbital in H2 and a d orbital in a 
transition metal. This kind of bond is half-way between physisorption and 
chemisorption and does not break the hydrogen molecule.

https://www.pnas.org/content/pnas/104/17/6901.full.pdf

Best,
Marco

-----Original Message-----
From: Anton Akhmerov <anton.akhmerov...@gmail.com>
Sent: Saturday, April 18, 2020 12:08 PM
To: Marco Di Gennaro (TME) <marco.di.genn...@external.toyota-europe.com>
Cc: kwant-discuss@kwant-project.org
Subject: Re: [Kwant] gas adsorption by a crystal

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Hi Marco,

I'm not familiar with Kubas bonding model, can you please provide more details 
and background about what you have in mind?

Best,
Anton

On Sat, 18 Apr 2020 at 11:51, Marco Di Gennaro (TME) 
<marco.di.genn...@external.toyota-europe.com> wrote:
>
> Dear everyone,
>
>
>
> I would like to study gas dynamics and absorption within a transition-metal 
> based crystal.
>
> Is possible to realize a simplified Kubas bonding model in tight binding 
> through a simple s-d interaction?
>
> Could I distinguish physisorption by chemisorption by Kubas adsorption at 
> this level of theory?
>
>
>
> Any comment or suggestion would be highly appreciated.
>
> Thank you
>
>
>
> -----------------------------
>
> Marco Di Gennaro
>
> Toyota Motor Europe
>
> -----------------------------
>
>
>
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