| Erscheinungsdatum | Titel | Autor(en) |
| 1999 | Axial and low-symmetry centers of trivalent impurities in lithium niobate: Chromium in congruent and stoichiometric crystals | Malovichko, G; Grachev, V; Kokanyan, E; Schirmer, O |
| 2002 | ENDOR study of Cr3+ centers substituting for lithium in lithium niobate | Malovichko, G; Grachev, V; Hofstaetter, A; Kokanyan, E; Scharmann, A; Schirmer, O |
| 2006 | EPR of Nd3+ in congruent and nearly stoichiometric lithium niobate | Malovichko, G; Grachev, V; Okulov, S; Kokanyan, E; Henecker, F; Hofstaetter, A; Schirmer, O |
| 2000 | EPR, NMR and ENDOR study of intrinsic and extrinsic defects in disordered and regularly ordered lithium niobate crystals | Malovichko, G; Grachev, V; Kokanyan, E; Schirmer, O |
| 1997 | Influence of chromium doping on the electro-optic properties of lithium niobate | Chah, K; Aillerie, M; Fontana, MD; Malovichko, GI; Betzler, K ; Kokanyan, E |
| 2001 | Optimization of Lithium Niobate for advanced applications by variation of extrinsic and intrinsic defect subsystems | Grachev, V; Malovichko, G; Kokanyan, E |
| 1999 | Point imperfections and clusters of intrinsic and extrinsic defects in non-stoichiometric and stoichiometric lithium niobate: The regularly ordered crystal | Malovichko, G; Grachev, V; Kokanyan, E; Schirmer, O |
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