V. Hinkov
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View article: Two-dimensional ferromagnetic extension of a topological insulator
Two-dimensional ferromagnetic extension of a topological insulator Open
Inducing a magnetic gap at the Dirac point of the topological surface state (TSS) in a three-dimensional (3D) topological insulator (TI) is a route to dissipationless charge and spin currents. Ideally, magnetic order is present only at the…
View article: Intermixing‐Driven Surface and Bulk Ferromagnetism in the Quantum Anomalous Hall Candidate MnBi<sub>6</sub>Te<sub>10</sub>
Intermixing‐Driven Surface and Bulk Ferromagnetism in the Quantum Anomalous Hall Candidate MnBi<sub>6</sub>Te<sub>10</sub> Open
The recent realizations of the quantum anomalous Hall effect (QAHE) in MnBi 2 Te 4 and MnBi 4 Te 7 benchmark the (MnBi 2 Te 4 )(Bi 2 Te 3 ) n family as a promising hotbed for further QAHE improvements. The family owes its potential to its …
View article: Intermixing-driven surface and bulk ferromagnetism in the quantum anomalous Hall candidate MnBi$_6$Te$_{10}$
Intermixing-driven surface and bulk ferromagnetism in the quantum anomalous Hall candidate MnBi$_6$Te$_{10}$ Open
The recent realizations of the quantum anomalous Hall effect (QAHE) in MnBi$_2$Te$_4$ and MnBi$_4$Te$_7$ benchmark the (MnBi$_2$Te$_4$)(Bi$_2$Te$_3$)$_n$ family as a promising hotbed for further QAHE improvements. The family owes its poten…
View article: Magnetic field dependence of the copper charge density wave order in a <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>YBa</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Cu</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>7</mml:mn></mml:msub><mml:mo>/</mml:mo><mml:msub><mml:mi>Nd</mml:mi><mml:mrow><mml:mn>0.65</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mo>(</mml:mo><mml:msub><mml:mi>Ca</mml:mi><mml:mrow><mml:mn>0.7</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>Sr</mml:mi><mml:mrow><mml:mn>0.3</mml:mn></mml:mrow></mml:msub><mml:mo>)</mml:mo></mml:mrow><mml:mrow><mml:mn>0.35</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>MnO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math> superlattice
Magnetic field dependence of the copper charge density wave order in a superlattice Open
For a YBa2Cu3O7/Nd0.65(Ca0.7Sr0.3)0.35MnO3 (YBCO/NCSMO) superlattice, we studied with resonant elastic x-ray scattering (REXS) at the Cu L3
View article: Intrinsic versus extrinsic orbital and electronic reconstructions at complex oxide interfaces
Intrinsic versus extrinsic orbital and electronic reconstructions at complex oxide interfaces Open
The interface between the insulators LaAlO3 (LAO) and SrTiO3 accommodates a two-dimensional electron liquid (2DEL) - a high-mobility electron system exhibiting superconductivity as well as indications of magnetism and correlations. While t…
View article: Intrinsic versus extrinsic orbital and electronic reconstructions at complex oxide interfaces
Intrinsic versus extrinsic orbital and electronic reconstructions at complex oxide interfaces Open
The interface between the insulators LaAlO$_3$ and SrTiO$_3$ accommodates a two-dimensional electron liquid (2DEL) -- a high mobility electron system exhibiting superconductivity as well as indications of magnetism and correlations. While …
View article: Author Correction: Non-local effect of impurity states on the exchange coupling mechanism in magnetic topological insulators
Author Correction: Non-local effect of impurity states on the exchange coupling mechanism in magnetic topological insulators Open
View article: Non-local effect of impurity states on the exchange coupling mechanism in magnetic topological insulators
Non-local effect of impurity states on the exchange coupling mechanism in magnetic topological insulators Open
View article: Strain induced stabilization of a static Jahn-Teller distortion in the O$^*$-phase of La$_{7/8}$Sr$_{1/8}$MnO$_3$
Strain induced stabilization of a static Jahn-Teller distortion in the O$^*$-phase of La$_{7/8}$Sr$_{1/8}$MnO$_3$ Open
At room temperature, bulk La$_{7/8}$Sr$_{1/8}$MnO$_3$ is in the dynamic Jahn--Teller O$^*$ phase, but undergoes a transition to a static, magnetically ordered Jahn--Teller phase at lower temperatures. Here we study a $6$ unit cells thin fi…
View article: Strain induced stabilization of a static Jahn-Teller distortion in the\n O$^*$-phase of La$_{7/8}$Sr$_{1/8}$MnO$_3$
Strain induced stabilization of a static Jahn-Teller distortion in the\n O$^*$-phase of La$_{7/8}$Sr$_{1/8}$MnO$_3$ Open
At room temperature, bulk La$_{7/8}$Sr$_{1/8}$MnO$_3$ is in the dynamic\nJahn--Teller O$^*$ phase, but undergoes a transition to a static, magnetically\nordered Jahn--Teller phase at lower temperatures. Here we study a $6$ unit\ncells thin…
View article: Incipient antiferromagnetism in the Eu-doped topological insulator<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Bi</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Te</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
Incipient antiferromagnetism in the Eu-doped topological insulator Open
Rare earth ions typically exhibit larger magnetic moments than transition\nmetal ions and thus promise the opening of a wider exchange gap in the Dirac\nsurface states of topological insulators. Yet, in a recent photoemission study\nof Eu-…
View article: Chemical and valence reconstruction at the surface of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>SmB</mml:mi><mml:mn>6</mml:mn></mml:msub></mml:math>revealed by means of resonant soft x-ray reflectometry
Chemical and valence reconstruction at the surface ofrevealed by means of resonant soft x-ray reflectometry Open
Samarium hexaboride (SmB$_6$), a Kondo insulator with mixed valence, has\nrecently attracted much attention as a possible host for correlated topological\nsurface states. Here, we use a combination of x-ray absorption and\nreflectometry te…
View article: Valence-state reflectometry of complex oxide heterointerfaces
Valence-state reflectometry of complex oxide heterointerfaces Open
Emergent phenomena in transition-metal-oxide heterostructures such as interface superconductivity and magnetism have been attributed to electronic reconstruction, which, however, is difficult to detect and characterise. Here we overcome th…
View article: Cu-NMR study of oxygen disorder in ortho-II YBa2Cu3Oy
Cu-NMR study of oxygen disorder in ortho-II YBa2Cu3Oy Open
We show that 63Cu NMR spectra place strong constraints on both the nature and the concentration of oxygen defects in ortho-II YBa2Cu3Oy. Systematic deviation from ideal ortho-II order is revealed by the presence of inequivalent Cu sites in…
View article: Influence of the Fermi Surface Morphology on the Magnetic Field-Driven Vortex Lattice Structure Transitions in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−δ</sub>: δ = 0, 0.15
Influence of the Fermi Surface Morphology on the Magnetic Field-Driven Vortex Lattice Structure Transitions in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−δ</sub>: δ = 0, 0.15 Open
We report small-angle neutron scattering measurements of the vortex lattice\n(VL) structure in single crystals of the lightly underdoped cuprate\nsuperconductor YBa2Cu3O6.85. At 2 K, and for fields of up to 16 T applied\nparallel to the cr…