Yurii G. PASHKEVICH Professor of Solid State Physics
Affiliation:
Donetsk Physics & Technology Institute (DonPhTI)
National Academy of Science of Ukraine
72 R. Luxemburg Str.
Donetsk, 83114 UKRAINE
E-mail:pashkevi@kinetic.ac.donetsk.ua
Phone: +380 (0622) 55 74 62
Fax: +380 (062) 337 90 18
Education:
2002 - Professor of Solid State Physics
1996 - Doctor of Scciences degree in Solid State Physics
1991 - Senior Scientist
1984 - Candidate of Scciences degree (PhD) in Solid State Physics
1972 - Donetsk State University, Department of Physics, MS degree in Physics
Research areas:Dynamic Properties of the Magnetic Systems
Employment: Donetsk Physics & Technology Institute NASU
Current position: Head of the Department of Dynamic Properties of Complex Systems, Professor of Solid State Physics
Teaching Experience: 1999 – present Professor at the sub-faculty Biophysics, Department of Biology, Donetsk National University.
Special Awards:
2004 State Prize of Ukraine in Science and Technology for the series of works (performed with co-authors) “New optic and magnetooptic phenomena in antiferromagnetics”.
Publications: Over 100 publications in refereed journals.
Recent Publications (2000-2005)
- K.-Y. Choi, P. Lemmens, T. Sahaoui,G. Güntherodt, Yu.G. Pashkevich, V.P. Gnezdilov, P. Reutler, L. Pinsard-Gaudart, B. Büchner, and A. Revcolevschi,
Existence of orbital polarons in ferromagnetic insulating La1-xSrxMn O3 (0.11 <š x š<š 0.14) revealed by giant phonon softening. Phys. Rev. B 71, 174402 (2005)
- V. Gnezdilov, V. Kurnosov, A. Yeremenko, Yu. Pashkevich, P. Lemmens, J. Tranquada, K.-Y. Choi, G. Güntherodt, and K. Nakajima,
Phonons and magnons in stripe-ordered nickelates. A Raman scattering studyšLow Temperature Physics 31, š154š (2005).
- V. Svistunov, Yu. Revenko, M. Belogolovskii, A. Gerasimenko, Yu. Pashkevich, H. Szymczak, P. Przyslupski, I. Komissarov,
Barrier and self-energy effects in manganite tunneling characteristics. Acta Physica Polonica A š105, 87 (2004)
- V.P. Gnezdilov, Yu.G. Pashkevich, J.M. Tranquada, P. Lemmens, G. Güntherodt, A.V. Yeremenko, S.N. Barilo, S.V. Shiryaev, L.A. Kurnevich, and P.M. Gehring,
Interplay of structural and electronic phase separation in single-crystalline La2CuO4.05 studied by neutron and Raman scattering. Phys. Rev. B 69, 174508 (2004)
- K.-Y. Choi, P. Lemmens, G. Güntherodt, Yu. G. Pashkevich, V. P. Gnezdilov, P. Reutler, B. Büchner and A. Revcolevschi,
Phonon anomalies in lightly doped manganites La1-xSrxMnO 3 (x=0.09 and 0.11) near the CAF/FI phase boundary. Journ. Magn. and Magn. Mat. š272-276 , E305 (2004)
- V. Kataev, J. Pommer, K.-Y. Choi, P. Lemmens, A. Ionescu, Yu. Pashkevich, K. Lamonova, A. Möller, A. Freimuth, G. Güntherodt,
Magnetic exchange in a low-dimensional complex oxide (Cu,Zn)2V2 O7, Journ. Magn. and Magn. Mat. 272–276, 933 (2004)
- V.V.Rumyantsev and Yu.G.Pashkevich,
Light Scattering by the Apical Oxygen Sublattice in a Thin Layer of šYBaCuO Crystal, Technical Physics 49, 1325 (2004)
- Yu.G. Pashkevich, V.P. Gnezdilov, P. Lemmens, K.-Y.Choi, K.V. Lamonova, A.A. Gusev, G. Güntherodt, S.N. Barilo, S.V. Shiryaev and G.L. Bychkov,
Raman studies of single and polycrystalline cobaltatites GdBaCo2O5+d with d close to 0.5, Inš „Spectroscopy of Emerging Materials” , Ed. E. C. Faulques, D. L. Perry, A. V. Eremenko,š Kluwer Academic Publisherš 195 (2004)
- Yu.G. Pashkevich, V.P. Gnezdilov, P. Lemmens, K.-Y.Choi
and G. Güntherodt, A.V. Yeremenko, S.N. Barilo, S.V. Shiryaev and A.G.
Soldatov.
Giant phonon softening in ferromagnetic LaMnO
3+ d,
Inš „Spectroscopy of Emerging Materials” , Ed. E. C.
Faulques, D. L. Perry, A. V. Eremenko,š Kluwer Academic Publisher, 185 (2004)
- K.V. Lamonova and Yu.G. Pashkevich,
Magnetic resonance in low doped Cu1-x
MxGeO3 with different type of 3D AFM ordering
,
Inš „Spectroscopy of Emerging Materials”, Ed. E. C.
Faulques, D. L. Perry, A. V. Eremenko,š Kluwer Academic
Publisher 229 (2004)
- V.P. Gnezdilov, V.S. Kurnosov, Yu. G. Pashkevich,
J. Tranquada, P. Lemmens, K.-Y. Choi, G. Güntherodt, A.V. Yeremenko, K.
Nakajama,
Phonons and magnons in La5/3 Sr
1/3 NiO4 single crystal,
Inš „Spectroscopy of Emerging Materials”, Ed. E.
C. Faulques, D. L. Perry, A. V. Eremenko,š Kluwer Academic
Publisher. 205 (2004)
- J. Pommer, V. Kataev, K.-Y. Choi, P. Lemmens, A.
Ionescu, Yu. Pashkevich, A. Freimuth, and G. Güntherodt,
Interplay between structure and magnetism in the
spin-chain compound (Cu,Zn)2V 2 O7,
Phys. Rev.B 67, 214410 (2003)
- Vladimir M. Svistunov, Yuri F. Revenko, Mikhail
A. Belogolovskii, Alexander Yu. Gerasimenko, Alexander I. Khachaturov,
Yurii G. Pashkevich and Eiji Hatta,
Tunneling Spectroscopy of High-Energy Excitations
in Manganite,
Journal of the Physical Society of Japanš
72, 2124 (2003)
- K.-Y. Choi, Yu. G. Pashkevich, K. V. Lamonova,
H. Kageyama, Y. Ueda, and P. Lemmens,
Strong anharmonicity and spin-phonon coupling in
the quasi-two-dimensional quantum spin system Sr1–x Ba
xCu2(BO3 )2,
Phys. Rev. B 68, 104418
(2003)
- V. P. Gnezdilov, Yu. G. Pashkevich, A. V. Yeremenko,
P. Lemmens, G. Güntherodt, S.V. Shiryaev, G. L. Bychkov, and S. N. Barilo,
Phonon Raman scattering in LaMn1–xCo
xO3 (x = 0, 0.2, 0.3, 0.4, and 1.0),
Low Temperature Physics, 29, 963 (2003)
- V.P. Gnezdilov, Yu.G. Pashkevich, A.V. Yeremenko,
P. Lemmens, G. Güntherodt, J.M. Tranquada, D.J. Buttrey, K. Nakajima,
Electronic Raman scattering through a stripe ordering
transition in La 2-x SrxNiO4 ,
Low Temperature Physics,š 28
, 510 (2002)
- V.S. Kurnosov, Yu.G. Pashkevich, A.V. Peschanskii,
V.I. Fomin and A.V. Yeremenko,
Light scattering on phonons in quasi-one-dimensional
antiferromagnet CsFeCl32H2O,
Low Temperature Physics,š 28
, 516 (2002)
- S. Zvyagin, H. Schwenk, B. Lüthi, K. V. Kamenev,
G. Balakrishnan, D. McK. Paul, V. I.Kamenev, and Yu. G. Pashkevich,
Ultrasonic investigation of Nd0.5Sr
0.5MnO3,
Journ. Magn. and Magn. Mat. 226,š 882 (2001)
- Yu.G. Pashkevich, A.E. Filippov,
Phase separation, charge ordering, and pairing
in layered three-dimensional systems,
Phys. Rev. B 63, 113106 (2001)
- M. M. Savosta, V. D. Doroshev, V. A. Borodin, Yu.
G. Pashkevich, V. I. Kamenev, T. N. Tarasenko, J. Englich, J. Kohout, A.
G. Soldatov, S. N. Barilo, S. V. Shiryaev,
Nuclear quadrupole resonance of barium in BaBiO
3 and BaPbO3,
Phys. Rev. B 63, 184106
(2001)
- Yu.G. Pashkevich, V.A. Blinkin, V.P. Gnezdilov,
V.V. Tsapenko, V.V. Eremenko, P.Lemmens, M.Fischer, M.Grove, G. Güntherodt,
L. Degiorgi, P. Wachter, J. M. Tranquada, D. J. Buttrey,
Stripe conductivity in La 1.775Sr
0.225NiO4,
Phys. Rev. Lett. 84, 3919
(2000)
- A. S. Zeltser, Yu. G. Pashkevich, A. E. Filippov,
Magnetic-field penetration and structure of the
mixed state in a superconductor with a multicomponent order parameter,
Phys. Rev. B 62, 9688 (2000)
- S. Zvyagin, H. Schwenk, B. Lüthi, K. V. Kamenev,
G. Balakrishnan, D. McK Paul, V. I.Kamenev, and Yu. G. Pashkevich,
Ultrasonic and magnetic studies of Nd0.5
Sr0.5MnO3 ,
Phys.Rev. B 62, R6104 (2000)
- Yu. G. Pashkevich, V. P. Gnezdilov, A. V. Eremenko,
P. Lemmens, G. Güntherodt, W. Reichardt, M.Braden, S.V.Shiryaev, S.N.Barilo
and A.G.Soldatov,
Local distortions in Ba1-xKx
BiO 3 observed in low frequency phonon Raman scattering,
Int. Journal of Modern Physics B 14,
3637 (2000)
- M. M. Savosta, J. Englich, J. Kohout, V. D. Doroshev,
V. A. Borodin, Yu. G. Pashkevich, A.G. Soldatov, S. N. Barilo, and S. V.
Shiryaev,
The valence state of bismuth in
BaBiO3 probed by NQR,
Physica C 341-348, 943 (2000)
- Y.G. Pashkevich, S.A.Fedorov,
Gyrotropy of Molecular Crystals with Vacancies,
Optics and Spectroscopy 88, 448 (2000)
- Yu. G. Pashkevich, V. A. Blinkin, V.P. Gnezdilov,
V.S. Kurnosov, V.V. Tsapenko, V.V. Eremenko, P. Lemmens, M. Fischer, M.
Grove, G. Güntherodt, L.Degiorgi, P. Wachter, J.M. Tranquada, D.J. Buttrey,
Optical Studies of the incommensurate charge ordered
phase in La1.775Sr 0.225 NiO4,
Physica B 284-288, 1473 (2000)
Selectedš Publications (1981-1999)
A.S. Zeltser, Yu.G. Pashkevich, A.E.Filippov,
Magnetic flux structure and formfactor of SANS in a
superconductor with multicomponent order parameter,
Physics Lett. A 260, 120 (1999)
S.
L. Gnatchenko, A. B. Chizhik, I. O. Shklyarevski, D. N. Merenkov, V. I.
Kamenev, Yu. G. Pashkevich, K. V. Kamenev, G. Balakrishnan, and D. McK.
Paul,
Visualization of the antiferromagnetic insulator–ferromagnetic
metal phase transition in manganite Nd0.5Sr0.5MnO3,
Low Temp. Physics 25, 744 (1999)
Yu.
Pashkevich A. Yeremenko,
Spin-phonon correlations and optical excitations
in oxides,
šin "Phys. and Mater. Sc. of HTSC, IV"š Ed. R. Kossowsky
et al.š Kluwer Academic Publishers, Dordrecht, 101 (1997)
Yu. G. Pashkevich, and A.
V. Yeremenko,
On the optical
features of layered oxides,
Nuovo Cimento
19D, 1167 (1997)
Yu. G. Pashkevich, V. V.
Pishko, V. Tsapenko, and A. V. Eremenko,
Magnetic- ordering-induced one phonon infrared absorption
in Nd2CuO4,
JETP (USA) 82, 773 (1996)
Yu. G. Pashkevich, V. V.
Pishko, V. V. Tsapenko, and A. V. Eremenko,
Structural distortions in Nd2CuO4,
Low Temp. Phys.
(USA) 21, 587 (1995)
Yu. G. Pashkevich, V. L.
Sobolev, S. A. Fedorov and A.V. Eremenko,
Theory of Raman light scattering in the many sublattice
exchange- noncollinearš magnets UO2, RMnO3,
and Nd2CuO4 (R=rare earth ion),
Phys. Rev. B
51, 15898 (1995)
V. L. Sobolev, Yu. G. Pashkevich,
H.L. Huang, I.M. Vitebskii, V.A. Blinkin
Two
magnon-absorption of electromagnetic waves in the exchange
noncollinear antiferromagnet Nd2CuO4
,
Phys. Rev.
B 51,š 1010 (1995)
Yu. G. Pashkevich, V. V.
Shakhov, V. A. Blinkin, V. L. Sobolev, A. A Zakharov,
A. V. Suetin, and M. N. Khlopkin,
Magnon contribution
to the heat capacity of manysublattices antiferromagnets
La2CuO4 and CuCl2
×2H2
O,
Low Temp.Phys. (USA)š
20, 335 (1994)
Yu. G. Pashkevich
and S. A. Fedorov,
Exchange mechanism
of Raman light scattering in impurity La2
CuO4,
Low Temp.Phys.
(USA)š 20, 180 (
1994)
V. L. Sobolev,
H. L. Huang, Yu. G. Pashkevich, M. M. Larionov, I. M.
Vitebsky and V.A. Blinkin,
Spin-wave spectrum
and inelastic neutron scattering by magnons in Nd
2CuO4,
Phys. Rev.Bš
49, 1170 (
1994)
A. V. Eremenko,
Yu. G. Pashkevich, V. V. Pishko and V. V. Tsapenko,
Infrared reflection
spectra of cooled BaFe12O19,
Physica Bš
194-196, 189 (
1994)
Yu. G. Pashkevich
and S. A. Fedorov,
On symmetry
classification of the spin-waves excitations of magneto
ordered crystals,
Ukrainian Physical
Journalš 38, 279 (
1993) (in Russian)
V. L. Sobolev,
H. L. Huang, I. M. Vitebskii, A. N. Knigavko, and Yu.
G. Pashkevich,
Spin-reorientation
phase transition in Nd2CuO4 in
an external magnetic field: unusual manifestation of
magnetoelastic coupling,
Phys. Rev.Bš 48,
3417(
1993)
V. A. Blinkin, Yu. G. Pashkevich, V. V. Eremenko, S. A. Zvyagin, and
V. V. Pishko.
Antiferromagnetic resonance in Nd2CuO4
,
Sov. J. Low Temp. Phys. (USA) 18, 848 (
1992)
V. V. Eremenko, S. A. Zvyagin, Yu. G. Pashkevich, V. V. Pishko,
and V. V. Shakhov,
Resonance properties of the four-sublattice antiferromagnet
CuCl2
×2H2
O,
Sov. J. Low Temp. Phys. (USA)š 18, 175 (1992)
A. V. Eremenko, Yu. G. Pashkevich, V. L.Sobolev, and
S. A.Fedorov,
Magnetic resonance exchange modes for barium hexaferrite,
Proc. of the Six Int. Conf. on ferrites (ICF6) Tokyo and
Kyoto, Japan , 741 (
1992)
Yu. G. Pashkevich and S. A. Fedorov,
Microscopic theory of natural optical activity of mixed
molecular crystals,
Optics and spectroscopy (USSR)š 71, 563 š(
1991)
Yu. G. Pashkevich and S. A. Fedorov,
Microscopic theory of electrooptical activity of molecular
crystals,
Sov. Phys. Crystallogr.š 36 (6), 771 (
1991)
V. G. Bar'yakhtar, V. V. Eremenko, S. A. Zvyagin, Yu. G.
Pashkevich, V. V. Pishko, V. L. Sobolev, and V. V. Shakhov,
Line width of magnetic resonance exchange modes in a four-sublattice
orthorhombic antiferromagnet,
Sov.Phys.-JETP. (USA) 73,š 1046 (
1991)
I. M. Vitebsky, A. V. Eremenko, Yu. G. Pashkevich, V. L. Sobolev,
and S. A. Fedorov,
One-magnon light scattering in exchange-noncollinear Nd
2CuO4,
Physica C 178, 189 (
1991)
A. V. Eremenko, Yu. G. Pashkevich, V. L. Sobolev, and S. A.
Fedorov,
One-magnon light scattering in high-temperature
superconducting materials. La2CuO4,
Sov. Phys. Solid State (USA) 32, 622
(1990)
V. N. Vasyukov, A. I. Izotov, Yu. G. Pashkevich, and V.
T. Telepa,
AFMR spectrum and the energy gap of the orthorhombic
antiferromagnet near a transition of the sublattice-collapse
type,
Sov.Phys.Solid State (USA) 31, 139
(1989)
Yu. G. Pashkevich, V. L. Sobolev and S. A. Fedorov,
Light scattering on magnons in many-sublattice
antiferromagnets in a magnetic field,
Journ. Phys. C: Solid State Phys. 21, 1265 (
1988)
V. V. Eremenko, S. A. Zvyagin, Yu. G. Pashkevich, V. V.
Pishko, V. L. Sobolev, and V. V. Shakhov,
Temperature dependence of exchange modes of an
antiferromagnetic resonance in CuCl2
×2H2
O,
Sov.Phys.Solid State (USA) 30, 729 (1988)
V. V. Eremenko, S. A. Zvyagin, Yu. G. Pashkevich, V. V. Pishko,
V. L. Sobolev, and S. A. Fedorov,
Two-magnon
absorption and characteristics of the spin-wave spectrum
of multisublattice antiferromagnets,
Sov.Phys.-JETP
9
3, 1893
(1987).
Yu. G. Pashkevich, V. L. Sobolev and V. V. Shakhov,
Resonance properties of four-sublattice rhombic
antiferromagnet in the fields normal to the easy axis,
Sov. J. Low Temp. Phys. (USA) , 12, 545 (
1986)
Yu. G. Pashkevich, V. L. Sobolev and S. A. Fedorov,
Light scattering by exchange magnons in multisublattice
antiferromagnets in magnetic field,
Sov.J.Low Temp.Phys. (USA)š 12, 237 (
1986)
V. G.
Bar'yakhtar, V. V. Eremenko, V. M. Naumenko, Yu. G. Pashkevich,
V. V. Pishko, and V. L. Sobolev,
Exchange modes in antiferromagnetic CuCl2
×2H2O,
Sov.Phys.-JETP (USA) 61, 823 (
1985)
V. G. Bar'yakhtar, I. M. Vitebskii, Yu. G. Pashkevich, V. L. Sobolev and
V. V. Tarasenko,
Magnetoacoustic
resonance in antiferromagnets near a transition of the
sublattice-collapse type,
Sov.Phys.Solid
State (USA) 26, 1829 (1984)
V. G. Bar'yakhtar, I. M. Vitebskii, Yu. G. Pashkevich,
V. L. Sobolev and V. V.Tarasenko,
Striction effects and dynamics of the magnetic subsystem
at spin-reorientation phase transitions. Symmetry aspects,
Sov. Phys.-JETP (USA) 60, 587 (1984)
V. G. Bar'yakhtar, I. M. Vitebskii, Yu. G. Pashkevich
and V. L. Sobolev,
''Relaxation'' mechanism of gap formation in the soft-mode
spectrum due to a spin-reorientation phase transition,
Sov. Phys. Solid State (USA) 26, 1080 (1984)
V. N. Vasyukov, A. V. Zhuravlev, S. N. Lukin, Yu. G.
Pashkevich, V. L. Sobolev and V. T. Telepa,
Antiferromagnetic resonance in (C2H5
NH3)2
×CuCl4
orthorhombic antiferromagnet with Dzyaloshinskii
interaction,
Sov. Phys. Solid State (USA) 26, 790 (1984)
V. V. Eremenko, V. M. Naumenko, Yu. G. Pashkevich and
V. V. Pishko,
Observation of Exchange Modes of Antiferromagnetic Resonance
in CuCl2
×2H2O,
JETP Lett. (USA) 38, 112 (1983).
V. G. Bar'yakhtar, Yu. G. Pashkevich and V. L. Sobolev,
Light scattering
by magnons and magneto-optical effects in multisublattice
magnets,
Sov. Phys.-JETP
(USA) 58, 945 (1983)
V. A. Galushko, V. P. Kulbatskii, Yu. G. Pashkevich,
V. L. Sobolev and V. T. Telepa,
Influence of
uniaxial pressure on the Neel temperature of antiferromagnet
CuCl2
×2H2O,
Sov.Phys.Solid
State (USA) 25, 527 (1983)
Yu. G. Pashkevich, V. L Sobolev and V. T. Telepa,
Symmetry analysis
of the static and high-frequency properties of CuCl
2×
2H2O and CuCl2
×2D2O,
šSov.J.Low
Temp.Phys. (USA) 8, 351 (1982)
V.A. Galushko, S.V. Ivanova, Yu.G. Pashkevich and V.T. Telepa,
Pressure dependence
of the magnetic properties of CuCl2
×2D2O
at low temperatures,
Sov.J.Low Temp.Phys.
(USA) 7, 433 (1981)
Yu. G. Pashkevich and A. D. Petrenko,
Optical Activity
Caused by Exciton Dispersion,
Optics and
spectroscopy (USSR) 51,
306
(1981)
L. N. Ovander,
Yu. G. Pashkevich and N. S. Tyu,
Effective Field Method and Raman Scattering by Intramolecular
Vibrations in Molecular Crystals,
Optics and spectroscopy (USSR) 51, 452 (1981)
L. N. Ovander, Yu. G. Pashkevich and N. S. Tyu,
Theory of Frenkel Excitons and the Effective Field Method,
Optics and spectroscopy (USSR)š 50, 622 (1981)
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