Yu P. Chernenkov

X-ray and neutron diffraction studies of coupled structural phase transitions in DyBaCo$_{2}$O$_{5.5}$ (2006)

Chernenkov, Yu. P., Plakhty, V. P., Gukasov, A. G., Barilo, S. N., Shiryaev, S. V., Bychkov, G. L., ...

A structural transition at $T\approx 322$ K from the $Pmmm$ to $Pmma$ phase is found to coincide with an anomaly of resistivity. Another structural phase transition doubling the lattice parameter...

Neutron diffraction, magnetization and ESR studies of pseudocubic Nd(0.75)Ba(0.25)MnO3 and its unusual critical behavior above Tc (2005)

Ryzhov, V. A., Lazuta, A. V., Smirnov, O. P., Kiselev, I. A., Chernenkov, Yu. P., Borisov, S. A., ...

Results of structural neutron diffraction study, magnetization and ESR measure-ments are presented for insulating Nd0.75Ba0.25MnO3, Tc = 129 K. The crystal structure is refined in the range 4.2-300...

Spin structure and magnetic phase transitions in TbBaCo2O5.5 (2004)

Plakhty, V. P., Chernenkov, Yu. P., Barilo, S. N., Podlesnyak, A., Pomjakushina, E., Khalyavin, D. D., ...

Spin ordering in TbBaCo2O5.5 and its temperature transformation is studied. Polymorphism due to the oxygen ordering with the average content close to 5.5 is investigated. One of ceramic samples (I),...

X-ray Diffraction Study of Superstructure in GdBaCo2O5.5 (2004)

Chernenkov, Yu. P., Plakhty, V. P., Fedorov, V. I., Barilo, S. N., Shiryaev, S. V., Bychkov, G. L.

A single crystal of GdBaCo2O5.47(2) has been studied by means of X-ray diffraction. Appearance of superstructure reflections at T = 341.5(7) K gives an evidence of continuous transition to the phase...