678 citations · 4.2k across the 66 of their papers we have counts for
24 papers · 1 filter
Observation of in-plane anomalous Nernst effect
Tadashi Yoneda, Shinichi Nishihaya, Markus Kriener +7
The Nernst effect, which enables the conversion of a heat current into a transverse voltage under magnetic field or spin magnetization, holds significant promise for energy harvest…
Unconventional two-dimensional quantum oscillations in three-dimensional thick SrRuO films
Yuta Matsuki, Shinichi Nishihaya, Markus Kriener +3
SrRuO is a prototypical transition metal oxide which hosts rich physical properties including itinerant ferromagnetism, high conductivity, and intrinsic Hall effect originating…
Maximizing intrinsic anomalous Hall effect by controlling the Fermi level in simple Weyl semimetal films
Mizuki Ohno, Susumu Minami, Yusuke Nakazawa +5
Large intrinsic anomalous Hall effect (AHE) originating in the Berry curvature has attracted growing attention for potential applications. Recently proposed magnetic Weyl semimetal…
Experimental signatures of versatile Weyl semimetal in pyrochlore iridate with spin-ice like magnetic orders
Kentaro Ueda, Hiroaki Ishizuka, Markus Kriener +6
We report experimental signatures of topological transitions among the Weyl semimetal states of pyrochlore Pr2Ir2O7, where the Kondo coupling between the Ir topological electrons a…
Doping-induced topological transition and enhancement of thermopower in the Dirac-semimetal system CdZnAs
J. Fujioka, M. Kriener, D. Hashizume +3
CdAs is one of the prototypical topological Dirac semimetals. Here, we manipulate the band inversion responsible for the emergence of Dirac nodes by alloying CdAs w…
Ferrimagnetic 120 magnetic structure in Cu2OSO4
Virgile Yves Favre, Gregory S. Tucker, Clemens Ritter +10
We report magnetic properties of a 3d (Cu) magnetic insulator Cu2OSO4 measured on both powder and single crystal. The magnetic atoms of this compound form layers, whose…
High-field depinned phase and planar Hall effect in skyrmion-host GdPdSi
Max Hirschberger, Taro Nakajima, Markus Kriener +11
For the skyrmion-hosting intermetallic GdPdSi with centrosymmetric hexagonal lattice and triangular net of rare earth sites, we report a thorough investigation of the magne…
Quantized surface transport in topological Dirac semimetal films
Shinichi Nishihaya, Masaki Uchida, Yusuke Nakazawa +7
Unconventional surface states protected by non-trivial bulk orders are sources of various exotic quantum transport in topological materials. One prominent example is the unique mag…
Skyrmion phase and competing magnetic orders on a breathing kagome lattice
Max Hirschberger, Taro Nakajima, Shang Gao +13
Magnetic skyrmion textures are realized mainly in non-centrosymmetric, e.g. chiral or polar, magnets. Extending the field to centrosymmetric bulk materials is a rewarding challenge…
Enhanced ferromagnetic transition temperature induced by a microscopic structural rearrangement in the diluted magnetic semiconductor GeMnTe
M. Kriener, T. Nakajima, Y. Kaneko +7
The correlation between magnetic properties and microscopic structural aspects in the diluted magnetic semiconductor GeMnTe is investigated by x-ray diffraction and m…
- square lattice antiferromagnetism in the orbitally quenched insulator MoOPO
L. Yang, M. Jeong, P. Babkevich +12
We report magnetic and thermodynamic properties of a (Mo) magnetic insulator MoOPO single crystal, which realizes a - Heisenberg spin- model on a s…
Melting of magnetic correlations in charge-orbital ordered La(0.5)Sr(1.5)MnO(4) : competition of ferro and antiferromagnetic states
D. Senff, O. Schumann, M. Benomar +6
The magnetic correlations in the charge- and orbital-ordered manganite La(0.5)Sr(1.5)MnO(4) have been studied by elastic and inelastic neutron scattering techniques. Out of the wel…
Magnetoelastic coupling in RETiO3 (RE = La, Nd, Sm, Gd, Y)
A. C. Komarek, H. Roth, M. Cwik +6
A detailed analysis of the crystal structure in RETiO3 with RE = La, Nd, Sm, Gd, and Y reveals an intrinsic coupling between orbital degrees of freedom and the lattice which cannot…
Magnetoelastic coupling across the metamagnetic transition in CaSrRuO (0.2 < x < 0.5)
J. Baier, P. Steffens, O. Schumann +11
The magnetoelastic coupling in CaSrRuO and in CaSrRuO has been studied combining high-resolution dilatometer and diffraction techniques. Bot…
Evidence for Multiple Phase Transitions in La_1-xCa_xCoO_3
M. Kriener, M. Braden, D. Senff +2
We report thermal-expansion and specific-heat data of the series La_1-xCa_xCoO_3 for 0 <= x <= 0.3. For x = 0 the thermal-expansion coefficient alpha(T) features a pronounced maxim…
Thermodynamic Properties of (Ca,Sr)RuO in Magnetic Fields
J. Baier, T. Zabel, M. Kriener +9
We have studied the influence of a magnetic field on the thermodynamic properties of CaSrRuO in the intermediate metallic region with tilt and rotational distorti…
Magnetic heat transport in RCuO (R = La, Pr, Nd, Sm, Eu, and Gd)
K. Berggold, T. Lorenz, J. Baier +8
We have studied the thermal conductivity on single crystalline samples of the antiferromagnetic monolayer cuprates RCuO with R = La, Pr, Nd, Sm, Eu, and Gd. For a heat…
Thermal conductivity of R2CuO4, with R = La, Pr and Gd
K. Berggold, T. Lorenz, J. Baier +4
We present measurements of the in-plane kappa_ab and out-of-plane kappa_c thermal conductivity of Pr2CuO4 and Gd2CuO4 single crystals. The anisotropy gives strong evidence for a la…
Zero-field incommensurate spin-Peierls phase with interchain frustration in TiOCl
R. Rückamp, J. Baier, M. Kriener +7
We report on the magnetic, thermodynamic and optical properties of the quasi-one-dimensional quantum antiferromagnets TiOCl and TiOBr, which have been discussed as spin-Peierls com…
Thermal Conductivity, Thermopower, and Figure of Merit of La_{1-x}Sr_xCoO_3
K. Berggold, M. Kriener, C. Zobel +3
We present a study of the thermal conductivity k and the thermopower S of single crystals of La_{1-x}Sr_xCoO_3 with 0<= x <= 0.3. For all Sr concentrations La_{1-x}Sr_xCoO_3 has ra…
Structural aspects of metamagnetism in Ca_{2-x}Sr_{x}RuO_4 (0.2 < x < 0.5): field tuning of orbital occupation
M. Kriener, P. Steffens, J. Baier +12
The crystal structure of Ca_{2-x}Sr_xRuO_4 with 0.2 < x < 1.0 has been studied by diffraction techniques and by high resolution capacitance dilatometry as a function of temperature…
Spin-State Transition and Metal-Insulator Transition in LaEuCoO}
J. Baier, S. Jodlauk, M. Kriener +5
We present a study of the structure, the electric resistivity, the magnetic susceptibility, and the thermal expansion of LaEuCoO. LaCoO shows a temperature-indu…
Structure, Magnetization and Resistivity of LaMCoO (M = Ca, Sr, and Ba)
M. Kriener, C. Zobel, A. Reichl +7
We present an investigation of the influence of structural distortions in charge-carrier doped \lmco by substituting La with alkaline earth metals of strongly different ioni…
Evidence for a Low-Spin to Intermediate-Spin State Transition in LaCoO3
C. Zobel, M. Kriener, D. Bruns +5
We present measurements of the magnetic susceptibility and of the thermal expansion of a LaCoO single crystal. Both quantities show a strongly anomalous temperature dependence.…