Let me re-phrase what I just said (it's too early in the morning for me :-)

These are classic tilted perovskite structures due to the large size
of the RE atom. YbAlO3 (Pbnm) might be expected to have the same structure
as EuAlO3 (Pbnm). Try typing YbAlO3 into Google.

Alan Hewat said:
> These are classic tilted perovskite structures due to the large size
> of the RE atom. EuAlO3 (Pbnm) might be expected to have the same structure
> as YAlO3 (Pbnm). Try typing EuAlO3 into Google.
>
> Recent reference to RE aluminates in ICSD include:
>
> Martin-Sedeno, M.C.;Marrero-Lopez, D.;Losilla, E.R.;Bruque, S.;Nunez,
> P.;Aranda, M.A.G. "Stability and oxide ion conductivity in rare-earth
> aluminium cuspinides" (2006) Journal Solid State Chem. 179, 3445-55.
>
> Ross, N.L.; Zhao, J.; Angel, R.J. "High-pressure single-crystal X-ray
> diffraction study of YAlO3 perovskite" (2004) Journal Solid State Chem.
> 177, 1276-1284
>
> Alan.
>
>>  I need a structure file of the YbAlO3 _ Pbnm. Could someone indicate me
>> a good reference?
>>
>>  In my adjust I used a EuAlO3 _ Pbnm from ICSD as substitute but I do
>> not know if is correct.
______________________________________________
Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
<[EMAIL PROTECTED]> +33.476.98.41.68
      http://www.NeutronOptics.com/hewat
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