L. Omelchenko

activity

20152025

most citedSpecific temperature dependence of pseudogap in YBa

_{2}

_{3}

_{7 - δ}

nanolayers

79 citations · 225 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.supr-con2025★ 6 cited

Study of fluctuation conductivity in YBa $_{2}$ Cu $_{3}$ O $_{7}$ -- $δ$ films in strong magnetic fields

E. V. Petrenko, L. V. Omelchenko, Yu. A. Kolesnichenko +4

We report the effect of the \emph{ab}-plane magnetic field $B$ up to $8 T$ on the resistivity $ρ (T)$ and fluctuation conductivity $σ^{'} (T)$ in YBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$ thin f…

cond-mat.supr-con2023★ 2 cited

Effects of annealing on the fluctuation conductivity and pseudogap in slightly doped $H o B a_{2} C u_{3} O_{7 - δ}$ single crystals

A. L. Solovjov, L. V. Omelchenko, E. V. Petrenko +4

The effect of annealing at room temperature on the fluctuation conductivity (FLC) $σ^{'} (T)$ and pseudogap (PG) $Δ^{*} (T)$ in the basal ab plane of $R e B a_{2} C u_{3} O_{7 - δ}$ (Re = Ho) s…

cond-mat.supr-con2022★ 12 cited

Temperature dependence of upper critical fields and coherence lengths for optimally-doped $Y B a_{2} C u_{3} O_{7 - δ}$ thin films

E. V. Petrenko, L. V. Omelchenko, A. V. Terekhov +4

We report the comprehensive comparative analysis of the upper critical magnetic fields $μ_{0} H_{c 2} (0)$ obtained within Ginzburg-Landau and Werthamer-Helfand-Hohenberg theories for…

cond-mat.supr-con2022★ 7 cited

Influence of electron irradiation on fluctuation conductivity and pseudogap in $Y B a_{2} C u_{3} O_{7 - δ}$ single crystals

A. L. Solovjov, L. V. Omelchenko, E. V. Petrenko +4

The effect of electron irradiation with the energy of 2.5 MeV on the temperature dependences of the resistivity of an optimally doped $Y B a_{2} C u_{3} O_{7 - δ}$ single crystal has been stu…

cond-mat.supr-con2021★ 7 cited

Features of Excess Conductivity Behavior in a Magnetic Superconductor Dy $_{0.6}$ Y $_{0.4}$ Rh $_{3.85}$ Ru $_{0.15}$ B $_{4}$

A. L. Solovjov, A. V. Terekhov, E. V. Petrenko +2

The temperature dependencies of the excess conductivity $σ^{'} (T)$ and possible pseudogap (PG), in a Dy $_{0.6}$ Y $_{0.4}$ Rh $_{3.85}$ Ru $_{0.15}$ B $_{4}$ polycrystal were studied for the fi…

cond-mat.supr-con2020★ 3 cited

Fluctuating Cooper pairs in FeSe at temperatures exceeding double Tc

A. L. Solovjov, E. V. Petrenko, L. V. Omelchenko +3

Temperature dependencies of excess conductivity, Sigma', have been studied in detail for three FeSe_{0.94} textured polycrystalline samples prepared by partial melting and solid st…

cond-mat.supr-con2018★ 79 cited

Specific temperature dependence of pseudogap in YBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$ nanolayers

A. L. Solovjov, L. V. Omelchenko, V. B. Stepanov +5

The pseudogap (PG) derived from the analysis of the excess conductivity $σ^{'} (T)$ in superlattices and double-layer films of $Y B a_{2} C u_{3} O_{7 - δ}$ - $P r B a_{2} C u_{3} O_{7 - δ}$ (YBCO-PrBCO), prepa…

cond-mat.supr-con2018★ 45 cited

Peculiarities in the pseudogap behavior in optimally doped YBa2Cu3O7-δ single crystals under pressure up to 1GPa

A. L. Solovjov, L. V. Omelchenko, R. V. Vovk +3

The influence of the hydrostatic pressure P up to 0.95 GPa on the excess conductivity and the pseudogap Δ*(T) in optimally doped YBCO single crystals (T_c = 91.1K at ambient pressu…

cond-mat.supr-con2017★ 46 cited

Hydrostatic-pressure effects on the pseudogap in slightly doped YBa2Cu3O7-δ single crystals

A. L. Solovjov, L. V. Omelchenko, R. V. Vovk +2

The influence of hydrostatic pressure up to P=1.05 GPa on resistivity R, excess conductivity $σ^{'} (T)$ and pseudogap $Δ * (T)$ is studied in slightly doped single crystals of YBa2Cu3O7…

cond-mat.supr-con2015★ 18 cited

Fluctuation conductivity and possible pseudogap state in FeAs-based superconductor EuFeAsO(0.85)F(0.15)

A. L. Solovjov, L. V. Omelchenko, A. V. Terekhov +2

The study of excess conductivity $σ^{'} (T)$ in the textured polycrystalline FeAs-based superconductor $E u F e A s O_{0.85} F_{0.15}$ ( $T_{c} = 11 K$ ) prepared by the solid state synthesis i…

Study of fluctuation conductivity in YBa2​Cu3​O7​--δ films in strong magnetic fields

Effects of annealing on the fluctuation conductivity and pseudogap in slightly doped HoBa2​Cu3​O7−δ​ single crystals

Temperature dependence of upper critical fields and coherence lengths for optimally-doped YBa2​Cu3​O7−δ​ thin films

Influence of electron irradiation on fluctuation conductivity and pseudogap in YBa2​Cu3​O7−δ​ single crystals

Features of Excess Conductivity Behavior in a Magnetic Superconductor Dy0.6​Y0.4​Rh3.85​Ru0.15​B4​