RE: XRD peak doubling in NaAlH4

2008-02-26 Thread Peter Y. Zavalij
Dear Dr.Pukazhselvan, In order to answer your question more information is needed: Do all NaAlH4 peaks split? Which peaks split more low angle or high angle? Is intensities ratio of split peaks the same over whole angular range? Peter Y. Zavalij Director, X-ray Crystallographic Center Departmen

Re: XRD peak doubling in NaAlH4

2008-02-25 Thread Claudia Weidenthaler
Dear Mr Pukazhselvan Since many years I am working on NaAlH4 and the dehydrogenation products, we also have performed dozens of in situ experiments but I have never observed a splitting of the NaAlH4 peaks. Since the system is well understood, it sounds more like you have severe problems with y