2012

1. C. Eisenschmidt, H. T. Langhammer, R. Steinhausen, and G. Schmidt
   Tetragonal-Orthorhombic Phase Transition in Barium Titanate via Monoclinic M_C Type Symmetry
   Ferroelectrics 432, 103 (2012)    [B9]
2. H. von Wenckstern, R. Schmidt-Grund, C. Bundesmann, A. Müller, C. P. Dietrich, M. Stölzel, M. Lange, and M. Grundmann
   The (Mg,Zn)O Alloy
   In: "Handbook of Zinc Oxide and Related Materials", Vol. 1: "Materials", edited by Z. C. Feng, Taylor and Francis/CRC Press, Florida, USA, 2012. Chapter 10, pp. 257-320. ISBN 978-1439855706 [A2, B3, B4]
3. H. Frenzel, M. Lorenz, F.-L. Schein, A. Lajn, F. J. Klüpfel, T. Diez, H. von Wenckstern, and M. Grundmann
   Metal-Semiconductor Field-Effect Transistors and Integrated Circuits Based on ZnO and Related Oxides
   In: "Handbook of Zinc Oxide and Related Materials", Vol. 2: "Devices and Nano-Engineering", edited by Z. C. Feng, Taylor and Francis/CRC Press, Florida, USA, 2012. Chapter 11, pp. 369-433. ISBN 978-1439855744 [A2, B4]
4. R. Wunderlich, C. Chiliotte, G. Bridoux, T. Maity, Ö. Kocabiyik, A. Setzer, M. Ziese, and P. Esquinazi
   Structural, magnetic and electric properties of HoMnO₃ films on SrTiO₃(001)
   J. Magn. Magn. Mater. 324, 460 (2012)    [B5]
5. R. Jarrier, X. Marti, J. Herrero-Albillos, P. Ferrer, R. Haumont, P. Gemeiner, G. Geneste, P. Berthet, T. Schülli, P. Cevc, R. Blinc, S. S. Wong, T.-J. Park, M. Alexe, M. A. Carpenter, J. F. Scott, G. Catalan, and B. Dkhil
   Surface phase transitions in BiFeO₃ below room temperature
   Phys. Rev. B 85, 184104 (2012)    [A1]
6. L. Chotorlishvili, Z. Toklikishvili, A. Komnik, and J. Berakdar
   Chaotic spin-dependent electron dynamics in a field-driven double dot potential
   Phys. Lett. A 377, 69 (2012)    [B10]
7. J. Wätzel, A. S. Moskalenko, and J. Berakdar
   Photovoltaic effect of light carrying orbital angular momentum on a semiconducting stripe
   Opt. Express 20, 27792 (2012)    [B10]
8. K. Köksal and J. Berakdar
   Charge-current generation in atomic systems induced by optical vortices
   Phys. Rev. A 86, 063812 (2012)    [B10]
9. W. Widdra
   Vibrations at surfaces
   In: "Surface and Interface Science, Volume 2: Properties of Elemental Surfaces", edited by K. Wandelt, Wiley-VCH, 2012, ISBN 978-3-527-41156-6 [B8]
10. K. Duncker, M. Kiel, and W. Widdra
    Momentum-resolved lifetimes of image-potential states on Ag(001)
    Surf. Sci. 606, L87 (2012)    [A3]
11. C.-T. Chiang, A. Blättermann, M. Huth, J. Kirschner, and W. Widdra
    High-order harmonic generation at 4MHz as a light source for time-of-flight photoemission spectroscopy
    Appl. Phys. Lett. 101, 071116 (2012)    [A3, B7]
12. M. Lange, C. P. Dietrich, K. Brachwitz, T. Böntgen, M. Lorenz, and M. Grundmann
    (Zn,Cd)O thin films for the application in heterostructures: Structural and optical properties
    J. Appl. Phys. 112, 103517 (2012)    [A2, B4, B3]
13. J.-H. Kim, 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
    Phys. Rev. B 86, 180402(R) (2012)    [B5]
14. X. Lu, S. Dong, X. Li, M. Alexe, D. Hesse, and Y. Hao
    Field dependency of magnetoelectric coupling in multilayered nanocomposite arrays: Possible contribution from surface spins
    Appl. Phys. Lett. 101, 222902 (2012)    [A1]
15. C. Jia and J. Berakdar
    Electric Field Effects on the Thermodynamics of Multiferroic Chains
    J. Supercond. Nov. Magn. 25, 2679 (2012)    [B11]
16. F. Schmidt, H. von Wenckstern, D. Spemann, and M. Grundmann
    On the radiation hardness of (Mg,Zn)O thin films grown by pulsed-laser deposition
    Appl. Phys. Lett. 101, 012103 (2012)    [B4, A2]
17. M. Lorenz*, A. Reinhardt, H. von Wenckstern, and M. Grundmann
    Design rules of (Mg,Zn)O-based thin-film transistors with high-κ WO₃ dielectric gates
    Appl. Phys. Lett. 101, 183502 (2012)    [B4, A2]
    * Michael Lorenz; not identical with the principal investigator of project A2!
18. F. Schein, H. von Wenckstern, H. Frenzel, and M. Grundmann
    ZnO-Based n-Channel Junction Field-Effect Transistor With Room-Temperature-Fabricated Amorphous p-Type ZnCo₂O₄ Gate
    IEEE Electr. Dev. Lett. 33, 676 (2012)    [B4, A2]
19. S. Müller, H. von Wenckstern, O. Breitenstein, J. Lenzner, and M. Grundmann
    Microscopic Identification of Hot Spots in Multibarrier Schottky Contacts on Pulsed Laser Deposition Grown Zinc Oxide Thin Films
    IEEE Trans. Electron Devices 59, 536 (2012)    [B4, A2]
20. M. Stölzel, J. Kupper, M. Brandt, A. Müller, G. Benndorf, M. Lorenz, and M. Grundmann
    Electronic and optical properties of ZnO/(Mg,Zn)O quantum wells with and without a distinct quantum-confined Stark effect
    J. Appl. Phys. 111, 063701 (2012)    [B4, A2]
21. M. Noltemeyer, F. Bertram, T. Hempel, B. Bastek, A. Polyakov, J. Christen, M. Brandt, M. Lorenz, and M. Grundmann
    Excitonic transport in ZnO
    J. Mater. Res. 27, 2225 (2012)    [B4, A2]
22. M. Lange, J. Kupper, C. P. Dietrich, M. Brandt, M. Stölzel, G. Benndorf, M. Lorenz, and M. Grundmann
    Exciton localization and phonon sidebands in polar ZnO/MgZnO quantum wells
    Phys. Rev. B 86, 045318 (2012)    [A2, B4]
23. M. Schmidt, M. Ellguth, R. Karsthof, H. von Wenckstern, R. Pickenhain, M. Grundmann, G. Brauer, and F. C. C. Ling
    On the T2 trap in zinc oxide thin films
    phys. stat. sol. (b) 249, 588 (2012)    [B4, A2]
24. M. Schmidt, H. von Wenckstern, R. Pickenhain, and M. Grundmann
    On the investigation of electronic defect states in ZnO thin films by space charge spectroscopy with optical excitation
    Solid-State Electron. 75, 48 (2012)    [B4, A2]
25. J. Zippel, M. Lorenz, G. Benndorf, and M. Grundmann
    Persistent layer-by-layer growth for pulsed-laser homoepitaxy of (000\bar{1}) ZnO
    Phys. Status Solidi-Rapid Res. Lett. 6, 433 (2012)    [A2]
26. A. Castro, J. Werschnik, and E. K. U. Gross
    Controlling the Dynamics of Many-Electron Systems from First Principles: A Combination of Optimal Control and Time-Dependent Density-Functional Theory
    Phys. Rev. Lett. 109, 153603 (2012)    [B10]
27. B. D. Napitu and J. Berakdar
    Effects of non-local spin fluctuations in the orbital-selective Mott transition
    Eur. Phys. J. B 85, 342 (2012)    [B7]
28. Y. Pavlyukh, J. Berakdar, and W. Hübner
    Semi-classical approximation for second-harmonic generation in nanoparticles
    New J. Phys. 14, 093044 (2012)    [B7]
29. Y. Pavlyukh, J. Berakdar, and K. Köksal
    Fast computations of the dielectric response of systems with spherical or axial symmetry
    Phys. Rev. B 85, 195418 (2012)    [B7]
30. C. Jia, A. Sukhov, P. P. Horley, and J. Berakdar
    Piezoelectric control of the magnetic anisotropy via interface strain coupling in a composite multiferroic structure
    Europhys. Lett. 99, 17004 (2012)    [B11]
31. A. Sukhov, P. P. Horley, C. Jia, and J. Berakdar
    Steering Magnetization with Electric Fields in a Composite Multi-Ferroic Chain
    Ferroelectrics 428, 109 (2012)    [B11]
32. L. Chotorlishvili, Z. Toklikishvili, A. Komnik, and J. Berakdar
    Spin–orbital phase synchronization in the magnetic field-driven electron dynamics in a double-well potential
    J. Phys.: Condens. Matter 24, 255302 (2012)    [B10]
33. V. K. Dugaev, M. Inglot, E. Y. Sherman, J. Berakdar, and J. Barnaś
    Nonlinear Anomalous Hall Effect and Negative Magnetoresistance in a System with Random Rashba Field
    Phys. Rev. Lett. 109, 206601 (2012)    [B10]
34. F. Johann, A. Morelli, and I. Vrejoiu
    Stability of 71° stripe domains in epitaxial BiFeO₃ films upon repeated electrical switching
    phys. stat. sol. (b) 249, 2278 (2012)    [B5]
35. G. Bayreuther, J. Premper, M. Sperl, and D. Sander
    Uniaxial magnetic anisotropy in Fe/GaAs(001): Role of magnetoelastic interactions
    Phys. Rev. B 86, 054418 (2012)    [B8]
36. J. Premper, D. Sander, and J. Kirschner
    A combined surface stress and magneto-optical Kerr effect measurement setup for temperatures down to 30 K and in fields of up to 0.7 T
    Rev. Sci. Instrum. 83, 073904 (2012)    [B8]
37. S.-H. Phark, J. Borme, A. L. Vanegas, M. Corbetta, D. Sander, and J. Kirschner
    Atomic structure and spectroscopy of graphene edges on Ir(111)
    Phys. Rev. B 86, 045442 (2012)    [B8]
38. S. Wedekind, F. Donati, H. Oka, G. Rodary, D. Sander, and J. Kirschner
    The electronic properties of Co nanowires on Cu(110)-p(2 × 3)N
    Surf. Sci. 606, 1577 (2012)    [B8]
39. S.-H. Phark, J. Borme, A. L. Vanegas, M. Corbetta, D. Sander, and J. Kirschner
    Scanning tunneling spectroscopy of epitaxial graphene nanoisland on Ir(111)
    Nanoscale Res. Lett. 7, 255 (2012)    [B8]
40. M. Gradhand, D. V. Fedorov, P. Zahn, I. Mertig, Y. Otani, Y. Niimi, L. Vila, and A. Fert
    Perfect Alloys for Spin Hall Current-Induced Magnetization Switching
    SPIN 2, 1250010 (2012)    [B2]
41. C. Raisch, T. Chassé, C. Langheinrich, and A. Chassé
    Preparation and investigation of the A-site and B-site terminated SrTiO₃(001) surface: A combined experimental and theoretical x-ray photoelectron diffraction study
    J. Appl. Phys. 112, 073505 (2012)    [A7]
42. M. Alexe and D. Hesse
    One-Dimensional Ferroelectrics: Nanowires and Nanotubes
    Ferroelectrics 433, 53 (2012)    [A1]
43. D. Böttcher, A. Ernst, and J. Henk
    Noncollinear Magnetism in Ultrathin Films with Strong Spin-Orbit Coupling from Ab Initio
    J. Nanosci. Nanotechnol. 12, 7516 (2012)    [B2, A4]
44. C. Etz, I. V. Maznichenko, D. Böttcher, J. Henk, A. N. Yaresko, W. Hergert, I. I. Mazin, I. Mertig, and A. Ernst
    Indications of weak electronic correlations in SrRuO₃ from first-principles calculations
    Phys. Rev. B 86, 064441 (2012)    [A4, B2, B6]
45. J. Barzola-Quiquia, A. Lessig, A. Ballestar, C. Zandalazini, G. Bridoux, F. Bern, and P. Esquinazi
    Revealing the origin of the vertical hysteresis loop shifts in an exchange biased Co/YMnO₃ bilayer
    J. Phys.: Condens. Matter 24, 366006 (2012)    [B5]
46. J. Henk, M. Flieger, I. V. Maznichenko, I. Mertig, A. Ernst, S. V. Eremeev, and E. V. Chulkov
    Topological Character and Magnetism of the Dirac State in Mn-Doped Bi₂Te₃
    Phys. Rev. Lett. 109, 076801 (2012)    [B2, B6, A4]
47. F. Pientka, M. Gradhand, D. V. Fedorov, I. Mertig, and B. L. Györffy
    Gauge freedom for degenerate Bloch states
    Phys. Rev. B 86, 054413 (2012)    [B2]
48. M. Ziese, F. Bern, E. Pippel, D. Hesse, and I. Vrejoiu
    Stabilization of Ferromagnetic Order in La_0.7Sr_0.3MnO₃−SrRuO₃ Superlattices
    Nano Lett. 12, 4276 (2012)    [A1, B5]
49. M. Lorenz, M. Ziese, G. Wagner, J. Lenzner, C. Kranert, K. Brachwitz, H. Hochmuth, P. Esquinazi, and M. Grundmann
    Exchange bias and magnetodielectric coupling effects in ZnFe₂O₄–BaTiO₃ composite thin films
    CrystEngComm 14, 6477 (2012)    [A2, B5]
50. F. O. Schumann, L. Behnke, C. H. Li, J. Kirschner, Y. Pavlyukh, and J. Berakdar
    Electron pair emission from a highly correlated material
    Phys. Rev. B 86, 035131 (2012)    [B7]
51. Z. Wei, F. O. Schumann, R. S. Dhaka, and J. Kirschner
    Electron pair emission from surfaces: Diffraction effects
    Phys. Rev. B 85, 195120 (2012)    [B7]
52. D. Böttcher and J. Henk
    Significance of nutation in magnetization dynamics of nanostructures
    Phys. Rev. B 86, 020404(R) (2012)    [B2]
53. K. Tauber, M. Gradhand, D. V. Fedorov, and I. Mertig
    Extrinsic Spin Nernst Effect from First Principles
    Phys. Rev. Lett. 109, 026601 (2012)    [B2]
54. D. Pantel, H. Lu, S. Goetze, P. Werner, D. J. Kim, A. Gruverman, D. Hesse, and M. Alexe
    Tunnel electroresistance in junctions with ultrathin ferroelectric Pb(Zr_0.2Ti_0.8)O₃ barriers
    Appl. Phys. Lett. 100, 232902 (2012)    [A1]
55. M. Alexe
    Local Mapping of Generation and Recombination Lifetime in BiFeO₃ Single Crystals by Scanning Probe Photoinduced Transient Spectroscopy
    Nano Lett. 12, 2193 (2012)    [A1]
56. M. Gradhand, D. V. Fedorov, F. Pientka, P. Zahn, I. Mertig, and B. L. Györffy
    First-principle calculations of the Berry curvature of Bloch states for charge and spin transport of electrons
    J. Phys.: Condens. Matter 24, 213202 (2012)    [B2]
57. C. Herschbach, M. Gradhand, D. V. Fedorov, and I. Mertig
    Enhancement of the spin Hall angle by quantum confinement
    Phys. Rev. B 85, 195133 (2012)    [B2]
58. H. L. Meyerheim, A. Ernst, K. Mohseni, I. V. Maznichenko, S. Ostanin, F. Klimenta, N. Jedrecy, W. Feng, I. Mertig, R. Felici, and J. Kirschner
    BaTiO₃(001)-(2 x 1): Surface Structure and Spin Density
    Phys. Rev. Lett. 108, 215502 (2012)    [A5, A4, B2, B6]
59. S. Borek, I. Maznichenko, G. Fischer, W. Hergert, I. Mertig, A. Ernst, S. Ostanin, and A. Chassé
    First-principles calculation of x-ray absorption spectra and x-ray magnetic circular dichroism of ultrathin Fe films on BaTiO₃(001)
    Phys. Rev. B 85, 134432 (2012)    [A4, A7, B1, B2, B6]
60. M. Fechner, P. Zahn, S. Ostanin, M. Bibes, and I. Mertig
    Switching Magnetization by 180° with an Electric Field
    Phys. Rev. Lett. 108, 197206 (2012)    [B2]
61. I. Vrejoiu, D. Preziosi, A. Morelli, and E. Pippel
    Multiferroic PbZr_xTi_1-xO₃/Fe₃O₄ epitaxial sub-micron sized structures
    Appl. Phys. Lett. 100, 102903 (2012)    [B5]
62. M. Herzog, A. Bojahr, J. Goldshteyn, W. Leitenberger, I. Vrejoiu, D. Khakhulin, M. Wulff, R. Shayduk, P. Gaal, and M. Bargheer
    Detecting optically synthesized quasi-monochromatic sub-terahertz phonon wavepackets by ultrafast x-ray diffraction
    Appl. Phys. Lett. 100, 094101 (2012)    [B5]
63. M. Herzog, D. Schick, W. Leitenberger, R. Shayduk, R. M van der Veen, C. J. Milne, S. L. Johnson, I. Vrejoiu, and M. Bargheer
    Tailoring interference and nonlinear manipulation of femtosecond x-rays
    New J. Phys. 14, 013004 (2012)    [B5]
64. M. Schüler, Y. Pavlyukh, and J. Berakdar
    A theoretical analysis of the spin dynamics of magnetic adatoms traced by time-resolved scanning tunneling spectroscopy
    New J. Phys. 14, 043027 (2012)    [B10]
65. K. A. Kouzakov and J. Berakdar
    Plasmon-assisted electron-electron collisions at metallic surfaces
    Phys. Rev. A 85, 022901 (2012)    [B7]
66. B. D. Napitu and J. Berakdar
    Traces of the evolution from Mott insulator to a band insulator in the pair excitation spectra
    Eur. Phys. J. B 85, 50 (2012)    [B7]
67. P. P. Horley, A. Sukhov, C. Jia, E. Martínez, and J. Berakdar
    Influence of magnetoelectric coupling on electric field induced magnetization reversal in a composite unstrained multiferroic chain
    Phys. Rev. B 85, 054401 (2012)    [B11]
68. S. Ouazi, S. Wedekind, G. Rodary, H. Oka, D. Sander, and J. Kirschner
    Magnetization Reversal of Individual Co Nanoislands
    Phys. Rev. Lett. 108, 107206 (2012)    [B8]
69. S. Förster, K. Meinel, K.-M. Schindler, and W. Widdra
    Oxygen-deficient ordered phases of ultrathin BaTiO₃ films on Pt(111)
    Surf. Interface Anal. 44, 628 (2012)    [A3, A7]
70. K.-M. Schindler, M. Huth, and W. Widdra
    Improved extraction of I–V curves from low-energy electron diffraction images
    Chem. Phys. Lett. 532, 116 (2012)    [A3, A7]
71. J. Kreisel, M. Alexe, and P. A. Thomas
    A photoferroelectric material is more than the sum of its parts
    Nat. Mater. 11, 260 (2012)    [A1]
72. J. Henk, A. Ernst, S. V. Eremeev, E. V. Chulkov, I. V. Maznichenko, and I. Mertig
    Complex spin texture in the pure and Mn-doped topological insulator Bi₂Te₃
    Phys. Rev. Lett. 108, 206801 (2012)    [B2, A4, B6]
73. V. S. Borisov, I. V. Maznichenko, D. Böttcher, S. Ostanin, A. Ernst, J. Henk, and I. Mertig
    Magnetic exchange interactions and antiferromagnetism of ATcO₃ (A=Ca, Sr, Ba) studied from first principles
    Phys. Rev. B 85, 134410 (2012)    [B2, A4, B6]
74. D. Böttcher, A. Ernst, and J. Henk
    Temperature-dependent Heisenberg exchange coupling constants from linking electronic-structure calculations and Monte Carlo simulations
    J. Magn. Magn. Mater. 324, 610 (2012)    [B2, A4]
75. M. Khalid and P. Esquinazi
    Hydrogen-induced ferromagnetism in ZnO single crystals investigated by magnetotransport
    Phys. Rev. B 85, 134424 (2012)    [B1]
76. D. Pantel, S. Goetze, D. Hesse, and M. Alexe
    Reversible electrical switching of spin polarization in multiferroic tunnel junctions
    Nat. Mater. 11, 289 (2012)    [A1]
77. M. Ziese, P. D. Esquinazi, D. Pantel, M. Alexe, N. M. Nemes, and M. Garcia-Hernández
    Magnetite (Fe₃O₄): a new variant of relaxor multiferroic?
    J. Phys.: Condens. Matter 24, 086007 (2012)    [B5, A1]
78. A. Höfer, M. Fechner, K. Duncker, M. Hölzer, I. Mertig, and W. Widdra
    Persistence of Surface Domain Structures for a Bulk Ferroelectric above T_C
    Phys. Rev. Lett. 108, 087602 (2012)    [A3, B2, B8]
79. A. Berger, D. Hesse, A. Hähnel, M. Arredondo, and M. Alexe
    Regular nanodomain vertex arrays in BiFeO₃ single crystals
    Phys. Rev. B 85, 064104 (2012)    [A1]
80. G. Bridoux, 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, 085302 (2012)    [B5]
81. M. Lange, C. P. Dietrich, K. Brachwitz, M. Stölzel, M. Lorenz, and M. Grundmann
    Visible emission from ZnCdO/ZnO multiple quantum wells
    Phys. Status Solidi-Rapid Res. Lett. 6, 31 (2012)    [B4]
82. M. Brandt, M. Bonholzer, M. Stölzel, G. Benndorf, D. Spemann, M. Lorenz, and M. Grundmann
    Electrical transport in strained Mg_xZn_1-xO:P thin films grown by pulsed laser deposition on ZnO (000-1)
    phys. stat. sol. (b) 249, 82 (2012)    [A2, B4]
83. Y. Kim, A. Kumar, O. Ovchinnikov, S. Jesse, H. Han, D. Pantel, I. Vrejoiu, W. Lee, D. Hesse, M. Alexe, and S. V. Kalinin
    First-Order Reversal Curve Probing of Spatially Resolved Polarization Switching Dynamics in Ferroelectric Nanocapacitors
    ACS Nano 6, 491 (2012)    [A1]

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