D.V. Shovkun's publications

Superconductivity and magnetic ordering co-existence.

1. On the superconducting and magnetic properties of HoNbO_3-d and EuNbO_3-d.
   G.K.Strukova, D.V.Shovkun, V.N.Zverev, I.E.Batov, S.A.Zver'kov and S.S.Khasanov.
   Physica C (Amsterdam), v.351, pp.363-370 (2001).

Conductivity of YBa₂Cu₃O_7 - x single crystals with reduced oxygen content: anisotropy of resistivity and metal - insulator transition.

1. Conductivity of YBa₂Cu₃O_6 + x single crystals close to the superconductor - nonsuperconductor transition.
   A.M. Neminsky and D.V. Shovkun. Physica C (Amsterdam), v.252, pp.327-332 (1995).
2. Low-temperature resistivity of single crystals YBa₂Cu₃O_6 + x in the normal state.
   V.F. Gantmakher, L.P. Kozeeva, A.N. Lavrov, D.A. Pushin, D.V. Shovkun, G.E. Tsydynzhapov. Pis'ma v ZhETF, v.65, pp.834-839 (1997) (in english).
   Also available in: Sov. Phys. - JETP Lett., v.65, pp.870-876 (1997).
   Abstract   Full Text: [  PDF (102 kB)   GZipped PS (143 kB)  ]
3. Anisotropy of the superconducting properties of YBa₂Cu₃O_7 - x single crystals with reduced oxygen content.
   V.N. Zverev, D.V. Shovkun, and I.G. Naumenko. Pis'ma v ZhETF, v.68, pp.309-313, (1998) (in russian).
   An English translation in: JETP Lett., v.65, pp.332-337 (1998).
   Abstract   Full Text: [  PDF (87 kB)   GZipped PS (141 kB)  ]
4. Anisotropy of Normal Resistivity in Oxygen-Deficient YBa₂Cu₃O_7 - x Single Crystals.
   V.N. Zverev and D.V. Shovkun. Pis'ma v ZhETF, v.72, pp.103-108 (2000) (in russian).
   An English translation in: JETP Lett., v.72, pp.73-76 (2000).
   Abstract   Full Text: [  PDF (68 kB)   GZipped PS (53 kB)  ]
5. Synthesis of Ruthenium-based layered cuprates in ammonium nitrate melt and their characterization.
   G.K.Strukova, I.I.Zver’kova, L.A.Dorosinskii, D.V.Shovkun, V.N.Zverev, U.Topal.
   Physica C, 387(3-4), 359-364 (2003).
6. Pseudogap behavior of the normal state out-of-plane resistance in underdoped YBa₂Cu₃O_7-x single crystals.
   V.N.Zverev, D.V.Shovkun.
   Physica C, 391, pp. 315-318 (2003).

Influence of the oxygen content and the oxygen distribution on YBa₂Cu₃O_7 - x ceramic properties.

1. Evolution of transport properties of ceramic YBa₂Cu₃O_{7 – x} as oxygen is removed by heat treatment.
   V.F. Gantmakher and D.V. Shovkun. Pis'ma v ZhETF, v.51, pp.415-419 (1990) (in russian).
   An English translation in: Sov. Phys. - JETP Lett., v.51, pp.471-476 (1990).
   Abstract
2. Evidence of classical percolation theory in the transport properties of YBa₂Cu₃O_7– ceramic.
   V.F. Gantmakher, A.M. Neminsky and D.V. Shovkun. Pis'ma v ZhETF, v.52, pp.1214-1218 (1990) (in russian).
   An English translation in: Sov. Phys. - JETP Lett., v.52, pp.630-635 (1990).
   Abstract
3. AC susceptibility of YBa₂Cu₃O_7 – x ceramics in terms of the percolation theory.
   V.F. Gantmakher, A.M. Neminsky and D.V. Shovkun. Physica C (Amsterdam), v.177, pp.469-478 (1991).
4. AC susceptibility of YBaCuO and YBaCuO:Ag ceramics in terms of the percolation theory.
   V.F.Gantmakher, B.G.Karepov, A.M.Neminsky, D.V.Shovkun, and N.S.Sidorov. Physica C (Amsterdam), v.185-189, p.1641 (1991).
5. Dependence of T_c on the oxygen distribution in the Cu-O chains in the high temperature superconductors YBa₂Cu₃O_6 + x.
   G.V. Uimin, V.F. Gantmakher, A.M. Neminsky, L.A. Novomlinsky, D.V. Shovkun, and P. Brull. Physica C (Amsterdam), v.192, pp.481-490 (1992).

Magnetic field penetration depth anisotropy in the layered superconductors.

1. c-Axis Penetration Depth in Bi₂Sr₂CaCu₂O₈₊ Single Crystals Measured by ac-Susceptibility and Cavity Perturbation Technique.
   D.V. Shovkun, M.R. Trunin, A.A. Zhukov, Yu.A. Nefyodov, N. Bontemps, H. Enriquez, A. Buzdin, M. Daumens, T. Tamegai. Pis'ma v ZhETF, v.71, pp.132-138 (2000) (in english).
   Also available in: JETP Lett., v.71, pp.92-96 (2000).
   Abstract   Full Text: [  PDF (106 kB)   GZipped PS (109 kB)  ]
2. Triple approach to determination of the c-axes penetration depth in BSCCO crystals.
   M.R.Trunin, Yu.A.Nefyodov, D.V.Shovkun, A.A.Zhukov, N.Bontemps, H.Enriquez, A.Buzdin, M.Daumens, T.Tamegai. J. Supercond. v.14, p.187 (2001).
3. Penetration of Josephson vortices and measurement of the c-axis penetration depth in Bi₂Sr₂CaCu₂O₈₊: interplay of Josephson coupling, surface barrier and defects.
   H.Enriquez, N.Bontemps, A.A.Zhukov, D.V.Shovkun, M.R.Trunin, A.Buzdin, M.Daumens, T.Tamegai. Phys. Rev. B 63, 144525 (2001).

Magnetic field penetration depth in superconducting fulleren Rb₃C₆₀ measured by ac-susceptibility.

1. Temperature dependence of the magnetic field penetration depth in Rb₃C₆₀ measured by ac-susceptibility.
   A.M. Neminsky, P.N. Nikolaev, D.V. Shovkun, E.E. Laukhina, E.B.Yagubskii. Phys. Rev. Lett., v.72, pp.3092–3095 (1994).
   Abstract   Full Text:  PDF (362 kB)
2. Diamagnetic properties of Rb₃C₆₀ fine powders.
   A.M. Neminsky, P.N. Nikolaev, D.V. Shovkun, Physica C(Amsterdam), v.235-240, p.2483 (1995).
   
3. ac susceptibility of Rb₃C₆₀ fine powder.
   A.M. Neminsky, D.V. Shovkun, and O.T. Vyaselev. Phys. Rev., v.B54, pp.454-461 (1995).
   Abstract   Full Text:  PDF (152 kB)

Magneto-resonance effects in photoexited semiconductors.

1. Magnetoimpurity oscillations in n-type germanium.
   V.N. Zverev and D.V. Shovkun. Fizika Tverdogo Tela, v.26, pp.356-360 (1984) (in russian).
   An English translation in: Physics of the Solid State, v.26, p.212 (1984).
2. Experimental investigation of magnetoimpurity oscillations in gallium arsenide.
   V.N. Zverev and D.V. Shovkun. Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki, v.87, pp.356-360 (1984) (in russian).
   An English translation in: Sov. Phys. - JETP, v.60, p.1003 (1984).
   
3. Oscillations in the photoconductivity of n-GaAs with monochromatic infrared illumination in a magnetic field.
   V.N. Zverev and D.V. Shovkun. Pis'ma v ZhETF, v.43, pp.379-381 (1984) (in russian).
   An English translation in: Sov. Phys. - JETP Lett., v.43, p.488 (1986).
   Abstract
4. About origin of the magnetoimpurity oscillations of p-Ge photoconductivity.
   V.F. Gantmakher, V.N. Zverev, D.V. Shovkun. Fizika i Tekhnika Poluprovodnikov, v.22, pp.471-475 (1988) (in russian).
   An English translation in: Semiconductors, v.22, p.575 (1988).
   
5. About influence of the magnetoimpurity resonance on p-Ge photoconductivity.
   D.V. Shovkun. Fizika i Tekhnika Poluprovodnikov, v.22, p.1569 (1988) (in russian).
   An English translation in: Semiconductors, v.22, p.??? (1988).
   

Others:

1. Observation of a Transition from BCS to HTSC-like
   Superconductivity in K_xBa_1-xBiO₃
   G.E. Tsydynzhapov, A.F. Shevchun, M.R. Trunin, V.N. Zverev, D.V. Shovkun, N.V. Barkovskii, L.A. Klinkova.  JETP Letters, 83, No. 9, pp. 405–409 (2006)
2. Yu. Bomze, G. Gershon, D. Shovkun, L.S. Levitov, and M. Reznikov
   Measurement of Counting Statistics of Electron Transport in a Tunnel Junction
   Phys.Rev.Lett. 95, 176601 (2005)
   PDF (292 kB)