Some of more than 90 of V.Grachev's publications

Recent publications

1.      G.Malovichko, V.Grachev, J.Jorgensen, M.Meyer, M.Munro, B.Todt, I.Vrable, E.Kokanyan, V.Bratus, S.Okulov. Magnetic resonance study of non-equivalent centers created by 4f-Ions in congruent and stoichiometric lithium niobate. MRS Proceedings. v. 1111. D01-03 (2009).

2.      G.Malovichko, V.Bratus, V.Grachev, E.Kokanyan. Electron paramagnetic resonance and electron-nuclear double resonance study of nonequivalent Yb3+ centers in congruent and nearly stoichiometric lithium niobate. Physica Status Solidi (b): 246, No. 1, 215–225 (2009) / DOI 10.1002/ pssb.200844164.

3.      B.Briat, V.G.Grachev, G.I.Malovichko, O.F.Schirmer, M.Wöhlecke. Defects in inorganic photorefractive materials and their investigations. 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).

4.      G.Malovichko, V.Bratus, M.Munro, E.Kokanyan, S.Okulov, V.Grachev. Multifrequency spectroscopy of laser active centers Nd3+ and Yb3+ in nearly stoichiometric LiNbO3. Physica Status Solidi (c), 4, 1346–1351 (2007) / DOI 10.1002/pssc.200673819.

5.      G.Malovichko, V.Grachev, T.Rust, V.Pankratov. Flight to Mars and radiation defects in Li2B4O7 and KTiOPO4. Physica Status Solidi (c), 4, 1288–1292 (2007) / DOI 10.1002/pssc.200673820.

6.      G.Malovichko, R.Petersen, Ch.Bäuman, V.Grachev. Second axial Fe3+ center in stoichiometric lithium tantalate. Journal of Applied Physics, 100, 023911 (2006)

7.      G.Malovichko, V.Grachev, S.Okulov, E.Kokanyan, F.Henecker, A.Hofstaetter, O.Schirmer. EPR of Nd3+ in congruent and nearly stoichiometric lithium niobate. Physica Status Solidi (b), DOI 10.1002/pssb. 200541247 (2005); 243, 409-415 (2006).

8.     G.Malovichko, V.Grachev, O.Schirmer. Multifrequency spectroscopy of defects in complex oxides. Physica Status Solidi (a), 202, No. 2, 207-221 (2005); / DOI 10.1002/pssa. 200460125.

9.  V.Grachev, G.Malovichko, O.Schirmer. Structures of point defects in lithium niobate. Ukrainian Journal of Physics, 49, 438-448 (2004).

10. G.Malovichko, V.Grachev and O.Schirmer. Point Defects and Physical Properties of Ferroelectrics. Lithium Niobate. Fundamental Physics of Ferroelectrics 2003. Ed. by P.K.Davies and D.J.Singh, AIP Conference Proceedings, 677, pp. 196-203 (2003).

11. M.Meyer, C.Veber, O.F.Schirmer, G.I.Malovichko, V.G.Grachev, M.Kaczmarek. BaTiO3 and Ba0.77Ca0.27TiO3 doped with Rhodium: quantitative determination of charge transfer parameters by EPR-based defect studies. OSA TOPS, v.87, 124-127 (2003).

12.  G.Malovichko, V.Grachev, V.Andreev, T.Nachal’naya. Paramagnetic defects as probes for the study of ferroelastic phase transition in lithium niobate and lithium tantalate under high pressure. Radiation Effects & Defects in Solids, 157, 1085-1088 (2002).

Recent invited talks

1.      G.Malovichko, V.Grachev, J.Jorgensen, M.Meyer, M.Munro, R.Petersen, I.Vrable, E.Kokanyan, V.Bratus, S.Okulov. Non-Equivalent Centers in Congruent and Stoichiometric LiNbO3 and LiTaO3. International Scientific Workshop. "Oxide Materials for Electronic Engineering – fabrication, properties and application" (ОМЕE-2009). June 22–26, Lviv, Ukraine (2009).

2.      V.Grachev, J.Jorgensen, M.Meyer, V.Pankratov, Ya.Burak, A.Hunt, G.Malovichko. Trace Impurities, Intrinsic and Radiation Defects in Oxide Materials. International Scientific Workshop. "Oxide Materials for Electronic Engineering – fabrication, properties and application" (ОМЕE-2009). June 22–26, Lviv, Ukraine (2009).

3.      G.Malovichko, V.Grachev, J.Jorgensen, M.Meyer, M.Munro, B.Todt, I.Vrable, E.Kokanyan, V.Bratus and S.Okulov. Magnetic resonance study of non-equivalent centers created by 4f-ions in congruent and stoichiometric lithium niobate. 2008 MRS Fall meeting. Boston, December, 1-5, 2008.

4.      G. Malovichko, V.Grachev. Magnetic resonance spectroscopy of ferroelectrics and multiferroics. NSF EPSCoR STC Workshop, Fayetteville, Arkansas, August, 18-19, 2008.

5.      G.Malovichko, V.Grachev, M.Meyer, J.Jorgensen, T.Rust. Characterization of nonlinear optical crystals by the EPR. Technical Interim Meeting at Goddard Flight Space Center (NASA), April 3-4, 2007.

6.      G.Malovichko, V.Bratus, M.Munro, E.Kokanyan, S.Okulov, V.Grachev. Multifrequency spectroscopy of laser active centers Nd3+ and Yb3+ in nearly stoichiometric LiNbO3. Europhysical Conference on Defects in Insulating Materials (EURODIM 2006), Milan, Italy, July 10-16, 2006.

7.      G. Malovichko, V.Grachev. Luminescence, optical absorption and magnetic resonance of transition and rare earth impurities in lithium niobate. 6th European Conference on Luminescence Detectors and Transformers of Ionizing Radiation, LUMDETR 2006, Lviv, Ukraine, June 18-23, 2006.

8.      G.Malovichko, V.Grachev, O.F.Schirmer. Multiresonance, multifrequency spectroscopy of rare-earth and transition ions in lithium niobate. International conference “LiNbO3, from material to device, from device to system”, Metz, France, May 23-26, 2005.

9.      G.Malovichko, V.Grachev, O.Schirmer. Multifrequency spectroscopy of defects in complex oxides. International Conference on Defects in Insulating Materials (ICDIM), Riga, Latvia, July 12-16, 2004.

10.  G.Malovichko, V.Grachev. Spectroscopic Study of Interrelations of Extrinsic and Intrinsic Defects in Lithium Niobate. Photorefractive Workshop, Florida, USA, June 9-10, 2003.

11.  V.Grachev, G.Malovichko, O.Schirmer. Comparison of the EPR and ENDOR data of LiNbO3:Fe, LiTaO3:Fe and KTaO3:Fe. Photorefractive Workshop, Florida, USA, June 9-10, 2003.

12.  G.Malovichko, V.Grachev and O.Schirmer. Point Defects and Physical Properties of Ferroelectrics. Lithium Niobate. Fundamental Physics of Ferroelectrics 2003. Williamsburg, USA, February 2 - 5 (2003).

Development of the EPR/ENDOR theory

  1. Grachev V.G. Correct expression for generalized spin-Hamiltonian of non-cubic paramagnetic center.- Sov. Phys.- JETP, 1987, v. 92, No 5, 1834-1844.
  2. Grachev V.G.  G-symmetry and theory of ENDOR frequencies for centers with low-symmetry interactions.- In: Radiospectroscopy of Solid State, Kiev: Naukova Dumka, 1993, p. 16-66 (only in Russian).
  3. Grachev V.G., Semenov Yu.G.. Methods of computer treatment of EPR and ENDOR spectra. -"Radiospectroscopy", Perm, 1983, 163-171.
  4. Glinchuk M.D., Grachev V.G. Deigen M.F., Roitzin A.B., Suslin L.A. Electric effects in radiospectroscopy. Electron paramagnetic, electron nuclear double and paraelectric resonance's. Moscow: Nauka, 1981, 1-332 (only in Russian).
  5. Grachev V.G., Deigen M.F. ENDOR of impurity centers in non-metallic crystals.- Sov.- Successes of Physical Sciences, 1978, v. 125, No 4, 631-664.
  6. Grachev V.G., Deigen M.F., S.I.Pekar. Lorentz field and local field in ENDOR.- Sov. Phys. Solid State, 1973, v. 15, No 7, 2155-2157.
  7. Grachev V.G. Frequencies and transition intensities of ENDOR in external electric field.- Ukrainian Physical Journal, 1973, v. 18, No 10, 1669-1677.
  8. Baran N.P., Grachev V.G., Deigen M.F. et al. ENDOR of F-centers in alkali-halide crystals in external electric field.- Sov. Phys. Solid State, 1973, v. 15, No 2, 519-523.
  9. Grachev V.G. , Deigen M.F., Zevin V.Ja, Novominskii B.A. Theory of ENDOR at presence of external stresses.- Sov. Phys.-JETP, 1972, v. 62, No 4, 1472-1485.

Study of Lithium Niobate and Lithium Tantalate

  1. G.Malovichko, V.Grachev, A.Hofstaetter, E.Kokanyan, A.Scharmann, O.Schirmer. EPR and ENDOR study of Cr3+ centers substituting for lithium in Li-rich lithium niobate crystals.- Physical Review, B65, 224116 (2002).

  2.  G.Malovichko, V.Grachev, R.Pankrath, O.Schirmer. Photosensitive centers and charge transfer processes in barium calcium titanate. Ferroelectrics, 258, 169-176 (2001).

  3. V.Grachev, G.Malovichko, E.Kokanyan. Optimization of lithium niobate for advanced applications by variation of extrinsic and intrinsic defect subsystems. Ferroelectrics, 258, 131-140 (2001).

  4. V.Grachev, G.Malovichko. EPR, ENDOR, and optical absorption study of Cr3+ centers substituting for niobium in Li-rich lithium niobate crystals.- Physical Review, B62, 7779-7790 (2000).

  5.  G.Malovichko, V.Grachev, E.Kokanyan, O.Schirmer. EPR, NMR and ENDOR study of intrinsic and extrinsic defects in disordered and regularly ordered lithium niobate crystals. Ferroelectrics, 239, 357-366 (2000).

  6. G.Malovichko, V.Grachev, E. Kokanyan, O. Schirmer. Point imperfections and clusters of intrinsic and extrinsic defects in non-stoichiometric and stoichiometric Lithium Niobate: The Regularly ordered crystal. - Radiation Effects and Defects in Solids, 150, No 2, 227-231 (619-623) (1999).

  7.  V.Grachev, G.Malovichko, O.Schirmer. Models of axial and low-symmetry impurity centers in lithium niobate crystals derived from EPR and ENDOR data. - Radiation Effects and Defects in Solids, 150, No 2, 277-280 (669-672) (1999).

  8.  G.Malovichko, V.Grachev, O.Schirmer. Interrelation of intrinsic and extrinsic defects – congruent, stoichiometric, and regularly ordered lithium niobate. - Appl. Phys. B 68, 785-793 (1999).

  9. G.Malovichko, V.Grachev, E.Kokanyan, O.Schirmer. Axial and low-symmetry centers of trivalent impurities in lithium niobate. Chromium in congruent and stoichiometric crystals.- Physical Review, B59, 9113-9125 (1999).

  10.  Ch.Leroux, G.Malovichko, G.Nihoul, V.Grachev, C.Boulesteix. High resolution electron microscopy investigation of correlated defects in non-stoichiometric lithium niobate. - J. Phys. Chem. Solids, v. 59, No 3, pp. 311-319, (1998).

  11.  G.Malovichko, V.Grachev, O.Schirmer. Single, dimer and trimer chromium centers in lithium niobate, Ferroelectrics, v. 155, pp. 5-8 (639-642), 1996.

  12. G.Malovichko, O.Cerclier, J.Estienne, V.Grachev, E.Kokanyan, C.Boulesteix. Lattice constants of K and Mg doped LiNbO3. Comparison with nonstoichiometric crystals.- J. Phys. Chem. Solids, 1995, v. 56, pp.1285-1289.

  13. G.I.Malovichko, V.G.Grachev, O.F.Schirmer. The effect of iron ions on the defect structure of lithium niobate crystals grown from K2O containing melts.- Solid State Communs, 1994, v. 89, p.195-198.

  14.  G.I.Malovichko, V.G.Grachev, O.F.Schirmer, B.Faust. New axial Fe3+ centers in stoichiometric lithium niobate crystals.- J. Phys.: Condens. Matter, 1993, v. 5, p. 3971-3976.

  15. G.I.Malovichko, V.G.Grachev, E.P.Kokanyan, O.F.Schirmer at al. Characterization of stoichiometric lithium niobate grown from melts containing K2O.- Appl. Phys., 1993, v. A56, 103-108.

  16. G.I.Malovichko, V.G.Grachev, L.P.Yurchenko, E.P.Kokanyan, V.P.Proshko. Improvement of LiNbO3 microstructure by crystal growth with potassium.- Phys. Stat. Sol. (a), 1992, v. 133, No 1, p. K29-K33.

  17. Malovichko G.I., Grachev V.G., Lukin S.N. EPR of axial and low-symmetry Cr3+, Fe3+ and Mn2+ centers in LiNbO3.- Sov. Phys. Solid State, 1986, v. 28, No 4, 553-557.
  18. Corradi G., Polgar K., Bugai A.A., Grachev V.G.  et al. Models of Ni+ and Cu2+ impurities centers in LiNbO3.- Sov. Phys. Solid State, 1986, v. 28, No 3, 739-748.

The EPR/ENDOR study of other materials

  1.  M.D.Glinchuck, V.V.Skorochod, I.P.Bykov, V.G.Grachev, V.G.Smotrakov, V.V.Yeremkin. PbZrO3 crystal structure investigation by EPR of Gd3+.- Ferroelectrics, 1993, v. 143, No 1, 195-199.
  2.  G.I.Malovichko, L.E.Vitruck, N.Yu.Yurchenko, V.G.Grachev et al. Thermal stability of the radiation defects in lithium tetraborate (from the data of EPR and optical spectroscopy).- Sov. Phys. Solid State, 1992, v. 34, No 2, 272-277.
  3. Gromovoi Yu.S., Grachev V.G., Semenov Yu.G.. Structure and transmutation kinetic of hole centers in NaF:Li.- Sov. Phys. Solid State, 1975, v. 17, No 2, 960-962.
  4. Baran N.P., Barchuk V.I., Grachev V.G. et al. EPR Gd3+ in low-symmetry phase of BiVO4.- Ukrainian Physical Journal, 1982, v. 27, No 6, 888-892.
  5. Ishchenko S.S., Grachev V.G., Okulov S.M., Klimov A.A.. Zero field ENDOR of Gd3+ in GaSe.- Sov. JETP, 1987, v. 93, No 6(12), 2102-2108.
  6. Laguta V.V., Glinchuk M.D., Grachev V.G. et al. First observation of ENDOR in KTaO3:Fe3+.- Sov. Phys. Solid State, 1987, v. 29, No 8, 2473-2476.
  7. Malovichko G.I., Grachev V.G., Matkovskii A.O.. EPR investigation of the radiation defects in neutron irradiated lithium tetraborate monocrystals.- Sov. Phys. Solid State, 1991,v. 33, No 7, p. 1966-1972.

Percolation in high-Tc superconductors

  1. C.Boulesteix, Y.Marietti, T.Badeche, H.Tatarenko-Zapolsky, V.Grachev, O.Monnereau, H.Faqir, G.Vacquier. Use of out-of-plane resistivity for determination of the 2D or 3D character of superconductive fluctuations for Bi-2212 crystals in the mixed state and origin of anomalous high out-of-plane resistivity for weakly oxidized crystals.- J. Phys. Chem. Solids, 61, 585-592 (2000).
  2.   C.Lamine, T.Badeche, V.Grachev, O.Monnereau, H.Savary, M.Ben Salem, C.Boulesteix. Superconducting wires obtained by Bi-2223 coating, or Bi-2223 syntezation from precursors, on a metal core. Importance of the metal core and of an excess of PbO during sintering. Phys. Stat. Sol. (a), v. 161, 429-444, 1997.
  3.  C.Boulesteix, T.Badeche, Y.Marrietti, O.Monnereau, V.Grachev. Conductivity of layered superconducting crystals in their normal state: case Bi2+xSr2Ca1-yCu2O8+d. Importance of the oxygen and cationic concentrations, role of superconductive fluctuations above TC. In “Oxides: non-stoichiometry, phase transitions, superconductivity and physical properties”, ed. C.Boulesteix, Trans Tech Publications: Zürich, 1997.
  4. T.Badeche, O.Monnereau, A.M.Ghorayeb, V.Grachev, C.Boulesteix. Reduced resistivity-anisotropy ratio in Bi2Sr2CaCu2O8 single crystals showing zero resistance at 97 K.- Physica: C, 1995, v. 241, pp.10-16.
  5.  V.Grachev, T.Badeche, A.Bettahi, J.Marfaing, C.Boulesteix. Resistance versus temperature model for porous multiphase superconducting materials and associated parametrization method for the experimental data.- Physica: C, 1994, v. 229, 395-401.

List of selected academic publication

 1.  G.Malovichko, V.Grachev, J.Jorgensen, M.Meyer, M.Munro, B.Todt, I.Vrable, E.Kokanyan, V.Bratus, S.Okulov. Magnetic resonance study of non-equivalent centers created by 4f-Ions in congruent and stoichiometric lithium niobate. MRS Proceedings. v. 1111. D01-03 (2009).

2.      G.Malovichko, V.Bratus, V.Grachev, E.Kokanyan. Electron paramagnetic resonance and electron-nuclear double resonance study of nonequivalent Yb3+ centers in congruent and nearly stoichiometric lithium niobate. Physica Status Solidi (b): 246, No. 1, 215–225 (2009) / DOI 10.1002/ pssb.200844164.

3.      B.Briat, V.G.Grachev, G.I.Malovichko, O.F.Schirmer, M.Wöhlecke. Defects in inorganic photorefractive materials and their investigations. 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).

4.      G.Malovichko, V.Bratus, M.Munro, E.Kokanyan, S.Okulov, V.Grachev. Multifrequency spectroscopy of laser active centers Nd3+ and Yb3+ in nearly stoichiometric LiNbO3. Physica Status Solidi (c), 4, 1346–1351 (2007) / DOI 10.1002/pssc.200673819.

5.      G.Malovichko, V.Grachev, T.Rust, V.Pankratov. Flight to Mars and radiation defects in Li2B4O7 and KTiOPO4. Physica Status Solidi (c), 4, 1288–1292 (2007) / DOI 10.1002/pssc.200673820.

6.      G.Malovichko, R.Petersen, Ch.Bäuman, V.Grachev. Second axial Fe3+ center in stoichiometric lithium tantalate. Journal of Applied Physics, 100, 023911 (2006)

7.      G.Malovichko, V.Grachev, S.Okulov, E.Kokanyan, F.Henecker, A.Hofstaetter, O.Schirmer. EPR of Nd3+ in congruent and nearly stoichiometric lithium niobate. Physica Status Solidi (b), DOI 10.1002/pssb. 200541247 (2005); 243, 409-415 (2006).

8.     G.Malovichko, V.Grachev, O.Schirmer. Multifrequency spectroscopy of defects in complex oxides. Physica Status Solidi (a), 202, No. 2, 207-221 (2005); / DOI 10.1002/pssa. 200460125.

9. G.Malovichko, V.Grachev, A.Hofstaetter, E.Kokanyan, A.Scharmann, O.Schirmer. EPR and ENDOR study of Cr3+ centers substituting for lithium in Li-rich lithium niobate crystals.- Physical Review, B65, 224116 (2002).

10.      V.Grachev, G.Malovichko. EPR, ENDOR, and optical absorption study of Cr3+ centers substituting for niobium in Li-rich lithium niobate crystals.- Physical Review, B62, 7779-7790 (2000).

11.      G.Malovichko, V.Grachev, E.Kokanyan, O.Schirmer. Axial and low-symmetry centers of trivalent impurities in lithium niobate. Chromium in congruent and stoichiometric crystals.- Physical Review, B59, 9113-9125 (1999).

12.      G.Malovichko, V.Grachev, O.Schirmer. Interrelation of intrinsic and extrinsic defects – congruent, stoichiometric, and regularly ordered lithium niobate. - Appl. Phys. B 68, 785-793 (1999).

13.      Ch.Leroux, G.Malovichko, G.Nihoul, V.Grachev, C.Boulesteix. High resolution electron microscopy investigation of correlated defects in non-stoichiometric lithium niobate. - J. Phys. Chem. Solids, v. 59, No 3, pp. 311-319, (1998).

14.      V.Grachev, T.Badeche, A.Bettahi, J.Marfaing, C.Boulesteix. Resistance versus temperature model for porous multiphase superconducting materials and associated parametrization method for the experimental data.- Physica: C, 1994, v. 229, 395-401.

15.      V.G.Grachev, G-symmetry and theory of ENDOR frequencies for centers with low-symmetry interactions.- In: Radiospectroscopy of Solid State, Kiev: Naukova Dumka, 1993, p. 16-66.

16.      G.Malovichko, V.Grachev, L.Yurchenko, E.Kokanyan, V.Proshko. Improvement of LiNbO3 microstructure by crystal growth with potassium.- Phys. Stat. Sol. (a), 1992, v. 133, p. K29-K33.

17.      V.G.Grachev. Correct expression for generalized spin-Hamiltonian of non-cubic paramagnetic center.- JETF, 1987, v. 65, 1029-1035, (v. 92, 1834-1844).

18.      M.D.Glinchuk, V.G.Grachev, M.F.Deigen, A.B.Roitzin, L.A.Suslin. Electric effects in radiospectroscopy. Electron paramagnetic, electron nuclear double and paraelectric resonance's. Moscow: Nauka, 1981, 1-332.

19.  V.G.Grachev, M.F.Deigen. ENDOR of impurity centers in non-metallic crystals.- Soviet: Successes of Physical Sciences, 1978, v. 125, 631-664.


Copyright © V.Grachev. All rights reserved. 
Revised: May 17, 2010.