First test of Li2MoO4 crystal as a cryogenic scintillating bolometer

Luminescence properties (emission spectra, thermally stimulated luminescence, dependence of intensity on temperature) of lithium molybdate (Li2MoO4) single crystal have been studied under X-ray excitation from the liquid nitrogen to room temperature. The applicability of Li2MoO4 single crystal as a cryogenic scintillating bolometer was checked for the first time. Both scintillation and heat signals were observed making Li2MoO4 material an interesting candidate for searches for neutrinoless double beta decay of 100Mo.