Mr. M. Kamal Warshi studied the “isothermal time-dependent Raman scattering  to investigate the origin of the cluster glass state in samarium orthoferrites (SmFeO3)” and published an article in the “Chemistry of Materials”

https://pubs.acs.org/action/doSearch?field1=Contrib&text1=%22M.+Kamal+Warshi%22&field2=AllField&text2=&publication=&accessType=allContent&Earliest=&ref=pdf