Where can you find a copy of JCPDS files? I need the XRD pattern of Cr2AlC and other compounds (C, Al, Cr7C3, Cr6Al8, Al4C3,Cr5Al8, Cr2Al, Cr4Al9). I was using this site crystdb.nims.go.jp, but I can't seem to open the website these days. Thank you in advance!