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Junior Research Groups
Minerva / BMBF
Nanoscale Ferroelectric and Multiferroic Heterostructures
Abstract
People
Publications
Collaborations
Links
2013
Bern, F. , M. Ziese , K. Dörr , A. Herklotz , and I. Vrejoiu
Hall effect of tetragonal and orthorhombic SrRuO
3
films
.
Physica Status Solidi RRL
7
(3) , p 204-206 (2013)
2012
Gaal, P. , D. Schick , M. Herzog , A. Bojahr , R. Shayduk , J. Goldshteyn , H. A. Navirian , W. Leitenberger , I. Vrejoiu , D. Khakhulin , M. Wulff , and M. Bargheer
Time-domain sampling of x-ray pulses using an ultrafast sample response
.
Applied Physics Letters
101
(24) , p 243106/1-4 (2012)
Kim, J.-H. , I. Vrejoiu , Y. Khaydukov , T. Keller , J. Stahn , A. Rühm , D. K. Satapathy , V. Hinkov , and B. Keimer
Competing interactions at the interface between ferromagnetic oxides revealed by spin-polarized neutron reflectometry
.
Physical Review B
86
(18) , p 180402(R)/1-5 (2012)
Johann, F. , A. Morelli , and I. Vrejoiu
Stability of 71
°
stripe domains in epitaxial BiFeO
3
films upon repeated electrical switching
.
Physica Status Solidi B
249
(11) , p 2278-2286 (2012)
Bojahr, A. , M. Herzog , D. Schick , I. Vrejoiu , and M. Bargheer
Calibrated real-time detection of nonlinearly propagating strain waves
.
Physical Review B
86
(14) , p 144306/1-5 (2012)
Bojahr, A. , D. Schick , L. Maerten , M. Herzog , I. Vrejoiu , C. Korff Schmising , C. J. Milne , S. L. Johnson , and M. Bargheer
Comparing the oscillation phase in optical pump-probe spectra to ultrafast x-ray diffraction in the metal-dielectric SrRuO
3
/SrTiO
3
superlattice
.
Physical Review B
85
(22) , p 224302/1-6 (2012)
Vrejoiu, I. , D. Preziosi , A. Morelli , and E. Pippel
Multiferroic PbZr
x
Ti
1-x
O
3
/Fe
3
O
4
epitaxial sub-micron sized structures
.
Applied Physics Letters
100
(10) , p 102903/1-4 (2012)
Bridoux, G. , J. Barzola-Quiquia , F. Bern , W. Böhlmann , I. Vrejoiu , M. Ziese , and P. Esquinazi
An alternative route towards micro- and nano-patterning of oxide films
.
Nanotechnology
23
(8) , p 085302/1-7 (2012)
Talkenberger, A. , C. Himcinschi , T. Weißbach , V. Kannan , I. Vrejoiu , C. Röder , D. Rafaja , and J. Kortus
Raman spectroscopic and X-ray diffraction investigations of epitaxial BiCrO
3
thin films
.
Thin Solid Films
520
(14) , p 4590-4594 (2012)
2011
Vrejoiu, I. , A. Morelli , D. Biggemann , and E. Pippel
Ordered arrays of multiferroic epitaxial nanostructures
.
Nano Reviews
2
(7364/1-7) , (2011)
Johann, F. , A. Morelli , D. Biggemann , M. Arredondo , and I. Vrejoiu
Epitaxial strain and electric boundary condition effects on the structural and ferroelectric properties of BiFeO
3
films
.
Physical Review B
84
(9) , p 094105/1-10 (2011)
Ziese, M. , and I. Vrejoiu
Anomalous and planar Hall effect of orthorhombic and tetragonal SrRuO
3
layers
.
Physical Review B
84
(10) , p 104413/1-8 (2011)
Vrejoiu, I. , A. Morelli , F. Johann , and D. Biggemann
Ordered 180
°
ferroelectric domains in epitaxial submicron structures
.
Applied Physics Letters
99
(8) , p 082906/1-3 (2011)
Johann, F. , A. Morelli , and I. Vrejoiu
Epitaxial BiFeO
3
nanostructures fabricated by differential etching of BiFeO
3
films
.
Applied Physics Letters
99
(8) , p 082904/1-3 (2011)
Roy Chaudhuri, A. , M. Arredondo , A. Hähnel , A. Morelli , M. Becker , M. Alexe , and I. Vrejoiu
Epitaxial strain stabilization of a ferroelectric phase in PbZrO
3
thin films
.
Physical Review B
84
(5) , p 054112/1-8 (2011)
Ziese, M. , I. Vrejoiu , E. Pippel , A. Hähnel , E. Nikulina , and D. Hesse
Orthorhombic-to-tetragonal transition of SrRuO
3
layers in Pr
0.7
Ca
0.3
MnO
3
/SrRuO
3
superlattices
.
Journal of Physics D
44
(34) , p 345001/1-12 (2011)
Navirian, H. A. , M. Herzog , J. Goldshteyn , W. Leitenberger , I. Vrejoiu , D. Khakhulin , M. Wulff , R. Shayduk , P. Gaal , and M. Bargheer
Shortening x-ray pulses for pump-probe experiments at synchrotrons
.
Journal of Applied Physics
109
(12) , p 126104/1-3 (2011)
Morelli, A. , F. Johann , N. Schammelt , and I. Vrejoiu
Ferroelectric nanostructures fabricated by focused-ion-beam milling in epitaxial BiFeO
3
thin films
.
Nanotechnology
22
(26) , p 265303/1-6 (2011)
Ziese, M. , E. Pippel , E. Nikulina , M. Arredondo , and I. Vrejoiu
Exchange coupling and exchange bias in La
0.7
Sr
0.3
MnO
3
-SrRuO
3
superlattices
.
Nanotechnology
22
(25) , p 254025/1-8 (2011)
Ziese, M. , I. Vrejoiu , E. Pippel , E. Nikulina , and D. Hesse
Magnetic properties of Pr
0.7
Ca
0.3
MnO
3
/SrRuO
3
superlattices
.
Applied Physics Letters
98
(13) , p 132504/1-3 (2011)
2010
Zelezny, V. , D. Chvostova , L. Pajasova , I. Vrejoiu , and M. Alexe
Optical properties of epitaxial BiFeO
3
thin films
.
Applied Physics A
100
(4) , p 1217-1220 (2010)
Ziese, M. , I. Vrejoiu , and D. Hesse
Inverted hysteresis and giant exchange bias in La
0.7
Sr
0.3
MnO
3
/ SrRuO
3
superlattices
.
Applied Physics Letters
97
(5) , p 052504/1-3 (2010)
Himcinschi, C. , I. Vrejoiu , M. Friedrich , E. Nikulina , L. Ding , C. Cobet , N. Esser , M. Alexe , D. Rafaja , and D. R. T. Zahn
Substrate influence on the optical and structural properties of pulsed laser deposited BiFeO
3
epitaxial films
.
Journal of Applied Physics
107
(12) , p 123524/1-5 (2010)
Arredondo, M. , Q. M. Ramasse , M. Weyland , R. Mahjoub , I. Vrejoiu , D. Hesse , N. D. Browning , M. Alexe , P. Munroe , and V. Nagarajan
Direct evidence for cation non-stoichiometry and Cottrell atmospheres around dislocation cores in functional oxide interfaces
.
Advanced Materials
22
(22) , p 2430-2434 (2010)
Ziese, M. , I. Vrejoiu , and D. Hesse
Structural symmetry and magnetocrystalline anisotropy of SrRuO
3
films on SrTiO
3
.
Physical Review B
81
(18) , p 184418/1-11 (2010)
Kim, Y. S. , I. Vrejoiu , D. Hesse , and M. Alexe
Reversible plasma switching in epitaxial BiFeO
3
thin films
.
Applied Physics Letters
96
(20) , p 202902/1-3 (2010)
Herzog, M. , W. Leitenberger , R. Shayduk , R. M. Veen , C. J. Milne , S. L. Johnson , I. Vrejoiu , M. Alexe , D. Hesse , and M. Bargheer
Ultrafast manipulation of hard X-rays by efficient Bragg switches
.
Applied Physics Letters
96
(16) , p 161906/1-3 (2010)
Ziese, M. , I. Vrejoiu , E. Pippel , P. Esquinazi , D. Hesse , C. Etz , J. Henk , A. Ernst , I. V. Maznichenko , W. Hergert , and I. Mertig
Tailoring magnetic interlayer coupling in La
0.7
Sr
0.3
MnO
3
/SrRuO
3
superlattices
.
Physical Review Letters
104
(16) , p 167203/1-4 (2010)
Wu, D. , I. Vrejoiu , M. Alexe , and A. Gruverman
Anisotropy of domain growth in epitaxial ferroelectric capacitors
.
Applied Physics Letters
96
(11) , p 112903/1-3 (2010)
Zhu, Y. L. , S. J. Zheng , X. L. Ma , L. Feigl , M. Alexe , D. Hesse , and I. Vrejoiu
Microstructural evolution of [PbZr
x
Ti
1-x
O
3
/PbZr
y
Ti
1-y
O
3
]
n
epitaxial multilayers (x/y = 0.2/0.4, 0.4/0.6) - dependence on layer thickness
.
Philosophical Magazine
90
(10) , p 1359-1372 (2010)
Himcinschi, C. , I. Vrejoiu , M. Friedrich , L. Ding , C. Cobet , N. Esser , M. Alexe , and D. R. T. Zahn
Optical characterisation of BiFeO
3
epitaxial thin films grown by pulsed-laser deposition
.
Physica Status Solidi C
7
(2) , p 296-299 (2010)
2009
Birajdar, B. I. , A. Chopra , I. Vrejoiu , M. Alexe , and D. Hesse
TEM study of ordering domains in Pb
0.5
Sc
0.5
TaO
3
and threading dislocations in Ba
0.7
Sr
0.3
TiO
3
epitaxial films
.
MC 2009 - Proceedings Microscopy Conference
3
, Ed. W. Grogger , F. Hofer , P. Pölt p 467-468 Verlag der Technischen Universität Graz, Graz, Austria (2009)
Arredondo, M. , M. Saunders , A. Petraru , H. Kohlstedt , I. Vrejoiu , M. Alexe , D. Hesse , N. D. Browning , P. Munroe , and V. Nagarajan
Structural defects and local chemistry across ferroelectric-electrode interfaces in epitaxial heterostructures
.
Journal of Materials Science
44
(19) , p 5297-5306 (2009)
Chopra, A. , B. I. Birajdar , Y. S. Kim , I. Vrejoiu , M. Alexe , and D. Hesse
Epitaxial, cation-ordered, ferroelectric PbSc
0.5
Ta
0.5
O
3
thin films prepared by pulsed laser deposition
.
Applied Physics Letters
95
(2) , p 022907/1-3 (2009)
Woerner, M. , C. Korff Schmising , M. Bargheer , N. Zhavoronkov , I. Vrejoiu , D. Hesse , M. Alexe , and T. Elsaesser
Ultrafast structural dynamics of perovskite superlattices
.
Applied Physics A
96
(1) , p 83-90 (2009)
Jia, C. L. , S. B. Mi , K. Urban , I. Vrejoiu , M. Alexe , and D. Hesse
Effect of a single dislocation in a heterostructure layer on the local polarization of a ferroelectric layer
.
Physical Review Letters
102
(11) , p 117601/1-4 (2009)
Feigl, L. , I. B. Misirlioglu , I. Vrejoiu , M. Alexe , and D. Hesse
Impact of misfit relaxation and a-domain formation on the electrical properties of tetragonal PbZr
0.4
Ti
0.6
O
3
/PbZr
0.2
Ti
0.8
O
3
thin film heterostructures: Experiment and theoretical approach
.
Journal of Applied Physics
105
(6) , p 061607/1-7 (2009)
Vrejoiu, I. , M. Alexe , D. Hesse , and U. Gösele
Ferroelectric nanostructures
.
Journal of Vacuum Science & Technology B
27
(1) , p 498-503 (2009)
2008
Vrejoiu, I. , M. Alexe , D. Hesse , and U. Gösele
Functional perovskites - from epitaxial films to nanostructured arrays
.
Advanced Functional Materials
18
(24) , p 3892-3906 (2008)
Pintilie, L. , I. Vrejoiu , D. Hesse , and M. Alexe
The influence of the top-contact metal on the ferroelectric properties of epitaxial ferroelectric Pb(Zr
0.2
Ti
0.8
)O
3
thin films
.
Journal of Applied Physics
104
(11) , p 114101/1-6 (2008)
Scott, J. F. , A. Gruverman , D. Wu , I. Vrejoiu , and M. Alexe
Nanodomain faceting in ferroelectrics
.
Journal of Physics: Condensed Matter
20
(42) , p 425222/1-5 (2008)
Ziese, M. , A. Setzer , I. Vrejoiu , B. I. Birajdar , B. J. Rodriguez , and D. Hesse
Structural, magnetic and electric properties of La
0.7
Sr
0.3
MnO
3
/PbZr
x
Ti
1-x
O
3
heterostructures
.
Journal of Applied Physics
104
(6) , p 063908/1-9 (2008)
Korff Schmising, C. , A. Harpoeth , N. Zhavoronkov , Z. Ansari , C. Aku-Leh , M. Woerner , T. Elsaesser , M. Bargheer , M. Schmidbauer , I. Vrejoiu , D. Hesse , and M. Alexe
Ultrafast magnetostriction and phonon-mediated stress in a photoexcited ferromagnet
.
Physical Review B
78
(6) , p 060404(R)/1-4 (2008)
Gruverman, A. , D. Wu , H. J. Fan , I. Vrejoiu , M. Alexe , R. J. Harrison , and J. F. Scott
Vortex ferroelectric domains
.
Journal of Physics: Condensed Matter
20
(34) , p 342201/1-5 (2008)
Ziese, M. , I. Vrejoiu , A. Setzer , A. Lotnyk , and D. Hesse
Coupled magnetic and structural transitions in La
0.7
Sr
0.3
MnO
3
films on SrTiO
3
.
New Journal of Physics
10
(6) , p 063024/1-8 (2008)
Vrejoiu, I. , M. Ziese , A. Setzer , P. D. Esquinazi , B. I. Birajdar , A. Lotnyk , M. Alexe , and D. Hesse
Interfacial strain effects in epitaxial multiferroic heterostructures of PbZr
x
Ti
1-x
O
3
/La
0.7
Sr
0.3
MnO
3
grown by pulsed-laser deposition
.
Applied Physics Letters
92
(15) , p 152506/1-3 (2008)
Jesse, S. , B. J. Rodriguez , S. Choudhury , A. P. Baddorf , I. Vrejoiu , D. Hesse , M. Alexe , E. A. Eliseev , A. N. Morozovska , J. X. Zhang , L.-Q. Chen , and S. V. Kalinin
Direct imaging of the spatial and energy distribution of nucleation centres in ferroelectric materials
.
Nature Materials
7
(3) , p 209 - 215 (2008)
Jia, C.-L. , S.-B. Mi , K. Urban , I. Vrejoiu , M. Alexe , and D. Hesse
Atomic-scale study of electric dipoles near charged and uncharged domain walls in ferroelectric films
.
Nature Materials
7
(1) , p 57 - 61 (2008)
2007
Korff Schmising, C. , M. Bargheer , M. Kiel , N. Zhavoronkov , M. Woerner , T. Elsaesser , I. Vrejoiu , D. Hesse , and M. Alexe
Accurate time delay determination for femtosecond X-ray diffraction experiments
.
Applied Physics B
88
, p 1-4 (2007)
Korff Schmising, C. , M. Bargheer , M. Kiel , N. Zhavoronkov , M. Woerner , T. Elsaesser , I. Vrejoiu , D. Hesse , and M. Alexe
Coupled ultrafast lattice and polarization dynamics in ferroelectric nanolayers
.
Physical Review Letters
98
(25) , p 257601/1-4 (2007)
Pintilie, L. , I. Vrejoiu , D. Hesse , G. Le Rhun , and M. Alexe
Extrinsic contributions to the apparent thickness dependence of the dielectric constant in epitaxial Pb(Zr,Ti)O
3
thin films
.
Physical Review B
75
(22) , p 224113/1-12 (2007)
Pintilie, L. , I. Vrejoiu , G. Le Rhun , and M. Alexe
Short-circuit photocurrent in epitaxial lead zirconate-titanate thin films
.
Journal of Applied Physics
101
(6) , p 064109/1-8 (2007)
Pintilie, L. , I. Vrejoiu , D. Hesse , G. Le Rhun , and M. Alexe
Ferroelectric polarization-leakage current relation in high quality epitaxial Pb(Zr,Ti)O
3
films
.
Physical Review B
75
(10) , p 104103/1-14 (2007)
Vrejoiu, I. , Y. L. Zhu , G. Le Rhun , M. A. Schubert , D. Hesse , and M. Alexe
Structure and properties of epitaxial ferroelectric PbZr
0.4
Ti
0.6
O
3
/PbZr
0.6
Ti
0.4
O
3
superlattices grown on SrTiO
3
(001) by pulsed laser deposition
.
Applied Physics Letters
90
(7) , p 072909/1-3 (2007)
Le Rhun, G. , I. Vrejoiu , and M. Alexe
Piezoelectric response hysteresis in the presence of ferroelastic 90
°
domain walls
.
Applied Physics Letters
90
(1) , p 012908/1-3 (2007)
2006
Vrejoiu, I. , G. Le Rhun , L. Pintilie , D. Hesse , M. Alexe , and U. Gösele
Intrinsic ferroelectric properties of strained tetragonal PbZr
0.2
Ti
0.8
O
3
obtained on layer-by-layer grown, defect-free single crystalline films
.
Advanced Materials
18
(13) , p 1657-1661 (2006)
Vrejoiu, I. , G. Le Rhun , N. D. Zakharov , D. Hesse , L. Pintilie , and M. Alexe
Threading dislocations in epitaxial ferroelectric PbZr
0.2
Ti
0.8
O
3
films and their effect on polarization backswitching
.
Philosophical Magazine
86
(28) , p 4477-4486 (2006)
Korff Schmising, C. , M. Bargheer , M. Kiel , N. Zhavoronkov , M. Woerner , T. Elsaesser , I. Vrejoiu , D. Hesse , and M. Alexe
Strain propagation in nanolayered perovskites probed by ultrafast x-ray diffraction
.
Physical Review B
73
(21) , p 212202/1-4 (2006)
Le Rhun, G. , I. Vrejoiu , L. Pintilie , D. Hesse , M. Alexe , and U. Gösele
Increased ferroelastic domain mobility in ferroelectric thin films and its use in nano-patterned capacitors
.
Nanotechnology
17
(13) , p 3154-3159 (2006)
Pintilie, L. , I. Vrejoiu , D. Hesse , and M. Alexe
Polarization fatigue and frequency-dependent recovery in Pb(Zr,Ti)O
3
epitaxial thin films with SrRuO
3
electrodes
.
Applied Physics Letters
88
(10) , p 102908/1-3 (2006)
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