Riesen, HansHughes, Joseph2015-12-080009-2614http://hdl.handle.net/1885/35498Partial deuteration of NaMgAl(oxalate)3· 9H2O:Cr(III) (0.5%) increases the quantum efficiency for persistent spectral hole-burning in the R1-line by three orders of magnitude. A 50% deuterated crystal shows an impressive initial hole-burning efficiency oMassive enhancement of persistent spectral hole-burning in the R-lines of NaMgAl(oxalate) 3 · 9H 2 O:Cr(III) by partial deuteration200310.1016/S0009-2614(03)00446-92015-12-08