Spectroscopic properties of B2O3-PbO-Nd2O3 glasses

Samples belonging to xNd(2)O(3)(100 - x)[2B(2)O(3). PbO] glass system, with 0 less than or equal to x less than or equal to 40 mol%, are investigated by IR and W-VIS spectroscopies in order to obtain evidence for the influenc e of Nd2O3 On the local order from 2B(2)O(3). PbO glass matrix. Besides the IR absorption bands characteristic to lead and boron arrangements, typical absorption lines of Nd3+ ions around 4000 cm(-1) and 6000 cm(-1) are recor ded. The 6000 cm(-1) band appears only for the samples with a: greater than or equal to 25 mol% Nd2O3. The split of some UV-VIS absorption bands arisi ng from transitions of neodymium ions in doublet lines as well as the shift of the absorption bands as the Nd2O3 content increases denote the influenc e of the lead-berate matrix on the radiative transitions of the lanthanide ion.