Magnetic resonance
study of non-equivalent centers created by 4f-Ions in congruent and
stoichiometric lithium niobate. G.Malovichko, V.Grachev, J.Jorgensen,
M.Meyer, M.Munro, B.Todt, I.Vrable, E.Kokanyan, V.Bratus, S.Okulov. MRS
Proceedings. v. 1111. D01-03 (2009).
Electron paramagnetic resonance and electron-nuclear double resonance study of nonequivalent Yb3+ centers in congruent and nearly stoichiometric lithium niobate. G.Malovichko, V.Bratus, V.Grachev, E.Kokanyan. Physica Status Solidi (b): 246, No. 1, 215–225 (2009) / DOI 10.1002/ pssb.200844164
Defects in
inorganic photorefractive materials and their investigations. B.Briat,
V.G.Grachev, G.I.Malovichko, O.F.Schirmer, M.Wöhlecke. Chapter in the book “Springer Series in Optical Sciences, v. 114: Photorefractive
Materials and Applications 2”, ed. by P.Günter and J.-P.Huignard. pp. 9-49
(2007).
Multifrequency
spectroscopy of laser active centers Nd3+ and Yb3+ in
nearly stoichiometric LiNbO3.
G.Malovichko, V.Bratus, M.Munro,
E.Kokanyan, S.Okulov, V.Grachev.
Physica Status Solidi (c), 4,
1346–1351 (2007) / DOI 10.1002/pssc.200673819.
Flight to
Mars and radiation defects in Li2B4O7 and
KTiOPO4.
G.Malovichko, V.Grachev,
T.Rust, V.Pankratov.
Physica Status Solidi (c), 4, 1288–1292 (2007) /
DOI 10.1002/pssc.200673820.
Second axial Fe3+ center in
stoichiometric lithium tantalate.
G.Malovichko, R.Petersen, Ch.Bäuman, V.Grachev.
Journal of Applied
Physics, 100,
023911 (2006)
Decomposition of
reactive oxygen species by copper(II) bis(1-pyrazolyl)methane complexes.
I.Schepetkin, A.Potapov, A.Khlebnikov, E.Korotkova, A.Lukina, G.Malovichko,
L.Kirpotina, and M.Quinn. J Biol. Inorg. Chem., v. 11, 499-513
(2006)
EPR of Nd3+ in
congruent and nearly stoichiometric lithium niobate.
G.Malovichko, V.Grachev, S.Okulov, E.Kokanyan, F.Henecker,
A.Hofstaetter, O.Schirmer. Physica Status Solidi (b),
DOI
10.1002/pssb. 200541247 (2005); 243,
409-415 (2006).
Multifrequency
spectroscopy of defects in complex oxides.
G.Malovichko, V.Grachev, O.Schirmer. Physica Status Solidi
(a),
202, No. 2, 207-221 (2005); / DOI
10.1002/pssa. 200460125.
Structures of point
defects in lithium niobate. V.Grachev, G.Malovichko, O.Schirmer. Ukrainian Journal of Physics,
49, 438-448 (2004).
Paramagnetic
defects as probes for the study of ferroelastic phase transition in lithium
niobate and lithium tantalate under high pressure.
G.Malovichko, V.Grachev, V.Andreev,
T.Nachal’naya. Radiation Effects &
Defects in Solids, 157, 1085-1088 (2002).
ENDOR study of Cr3+
centers substituting for lithium in lithium niobate.
G.Malovichko, V.Grachev, A.Hofstaetter,
E.Kokanyan, A.Scharmann, O.Schirmer.
Physical Review, B65,
224116 (2002).
Photosensitive centers and charge
transfer processes in barium calcium titanate.
G.Malovichko, V.Grachev, R.Pankrath, O.Schirmer. Ferroelectrics,
258, 169-176 /[461-468] (2001).
EPR, ENDOR, and optical absorption study of Cr3+ centers substituting for niobium in Li-rich lithium niobate crystals. V.Grachev, G.Malovichko.- Physical Review B62, 7779-7790, 2000.
Axial and low-symmetry centers of trivalent impurities in lithium niobate. Chromium in congruent and stoichiometric crystals. G.Malovichko, V.Grachev, E.Kokanyan, O.Schirmer.- Physical Review, B59, 9113-9125 (1999).
Interrelation of intrinsic and extrinsic defects – congruent, stoichiometric, and regularly ordered lithium niobate. G.Malovichko, V.Grachev, O.Schirmer.- Appl. Phys. B 68, 785-793 (1999).
Nonstoichiometry as a powerful tool for photorefractive material optimization. Lithium Niobate Crystals. G.Malovichko. Proc. of the 7-th Top.Meet. on Photorefractive Materials, Effects and Devices, Denmark, June 27-30 1999, OSA TOPS, 27, 59-66.