105 citations · 730 across the 38 of their papers we have counts for
38 papers
Large Topological Magnetic Optical Effects and Imaging of Antiferromagnetic Octupole Domains of an Altermagnet-like Weyl Semimetal
Xingyue Han, Xiaoran Liu, Mikhail Kareev +2
Pyrochlore iridates have attracted significant interest due to their complex phase behavior arising from the interplay among electron correlations, quantum metric in flat bands, ge…
Synthesis of epitaxial magnetic pyrochlore heterojunctions
Mikhail Kareev, Xiaoran Liu, Michael Terilli +8
The synthesis of stoichiometric and epitaxial pyrochlore iridate thin films presents significant challenges yet is critical for unlocking experimental access to novel topological a…
Magnetism and berry phase manipulation in an emergent structure of perovskite ruthenate by (111) strain engineering
Zhaoqing Ding, Xuejiao Chen, Zhenzhen Wang +14
The interplay among symmetry of lattices, electronic correlations, and Berry phase of the Bloch states in solids has led to fascinating quantum phases of matter. A prototypical sys…
Engineered Kondo screening and nonzero Berry phase in SrTiO3/LaTiO3/SrTiO3 heterostructures
Fang Yang, Zhenzhen Wang, Yonghe Liu +12
Controlling the interplay between localized spins and itinerant electrons at the oxide interfaces can lead to exotic magnetic states. Here we devise SrTiO3/LaTiO3/SrTiO3 heterostru…
A magnetic Weyl semimetallic phase in thin films of EuIrO
Xiaoran Liu, Shiang Fang, Yixing Fu +17
The interplay between electronic interactions and strong spin-orbit coupling is expected to create a plethora of fascinating correlated topological states of quantum matter. Of par…
Epitaxial stabilization of (111)-oriented frustrated quantum pyrochlore thin films
Fangdi Wen, Tsung-Chi Wu, Xiaoran Liu +3
Frustrated rare-earth pyrochlore titanates, YbTiO, and TbTiO have been proposed as promising candidates to realize quantum spin ice (QSI). Multiple exotic q…
Orientation-dependent stabilization of MgCrO spinel thin films
Fangdi Wen, Xiaoran Liu, Mikhail Kareev +5
ABO normal spinels with a magnetic B site can host a variety of magnetic and orbital frustrations leading to spin-liquid phases and field-induced phase transitions. Here we…
Perspective: Strongly correlated and topological states in [111] grown transition metal oxide thin films and heterostructures
Jak Chakhalian, Xiaoran Liu, Gregory A. Fiete
We highlight recent advances in the theory, materials fabrication, and experimental characterization of strongly correlated and topological states in [111] oriented transition meta…
Quantum spin liquids by geometric lattice design
Xiaoran Liu, T. Asaba, Qinghua Zhang +12
On a lattice composed of triangular plaquettes where antiferromagnetic exchange interactions between localized spins cannot be simultaneously satisfied, the system becomes geometri…
Emergent phase in short-periodic rare-earth nickelate superlattices
S. Middey, Ranjan Kumar Patel, D. Meyers +6
Heterostructure engineering provides an efficient way to obtain several unconventional phases of LaNiO3, which is otherwise paramagnetic, metallic in bulk form. In this work, a new…
Stabilization of high-pressure GeCuO spinel cuprate with quasi-1D chains in the epitaxial thin-film form
Denis M. Vasiukov, Mikhail Kareev, Fangdi Wen +3
GeCuO is a high-pressure recoverable cuprate with a strongly tetragonally elongated spinel structure and magnetic lattice formed by CuO linear chains with frust…
Unconventional crystal field splitting in non-centrosymmetric BaTiO thin films
Yang Song, Xiaoran Liu, Fangdi Wen +10
Understanding the crystal field splitting and orbital polarization in non-centrosymmetric systems such as ferroelectric materials is fundamentally important. In this study, taking…
Epitaxial stabilization of thin films of the frustrated Ge-based spinels
Denis M. Vasiukov, Mikhail Kareev, Fangdi Wen +5
Frustrated magnets can host numerous exotic many-body quantum and topological phenomena. GeNiO is a three dimensional frustrated magnet with an unusual two-stage tran…
Berry phase manipulation in ultrathin SrRuO films
Liang Wu, Fangdi Wen, Yixing Fu +7
A notion of the Berry phase is a powerful means to unravel the non-trivial role of topology in various novel phenomena observed in chiral magnetic materials and structures. A celeb…
Anomalous electron transport in epitaxial NdNiO films
Shashank Kumar Ojha, Sujay Ray, Tanmoy Das +8
The origin of simultaneous electronic, structural and magnetic transitions in bulk rare-earth nickelates (NiO) remains puzzling with multiple conflicting reports on the nat…
Nucleation and growth bottleneck in the conductivity recovery dynamics of nickelate thin films
Elsa Abreu, Derek Meyers, Verner K. Thorsmolle +5
We investigate THz conductivity dynamics in NdNiO and EuNiO thin films following a photoinduced thermal quench into the metallic state and reveal a clear contrast between f…
Emergent magnetic state in (111)-oriented quasi-two-dimensional spinel oxides
Xiaoran Liu, B. J. Kirby, Zhicheng Zhong +8
We report on the emergent magnetic state of (111)-oriented CoCr2O4 ultrathin films sandwiched by Al2O3 in the quantum confined geometry. At the two-dimensional crossover, polarized…
Electronic structure of a graphene-like artificial crystal of
Arian Arab, Xiaoran Liu, O. Köksal +14
Artificial complex-oxide heterostructures containing ultrathin buried layers grown along the pseudocubic [111] direction have been predicted to host a plethora of exotic quantum st…
Interface-engineered hole doping in Sr2IrO4/LaNiO3 heterostructure
Fangdi Wen, Xiaoran Liu, Qinghua Zhang +9
The relativistic Mott insulator Sr2IrO4 driven by large spin-orbit interaction is known for the Jeff = 1/2 antiferromagnetic state which closely resembles the electronic structure…
Metallic interfaces in a CaTiO/LaTiO heterostructure
Shaozhu Xiao, Fangdi Wen, Xiaoran Liu +8
Almost all oxide two-dimensional electron gases are formed in SrTiO-based heterostructures and the study of non-SrTiO systems is extremely rare. Here, we report the realiza…
Epitaxial strain modulated electronic properties of interface controlled nickelate superlattice
S. Middey, D. Meyers, Shashank Kumar Ojha +5
Perovskite nickelate heterostructure consisting of single unit cell of EuNiO and LaNiO have been grown on a set of single crystalline substrates by pulsed laser interval de…
Emergent antiferromagnetism of YTiO3 in YTiO3-CaTiO3 superlattices
P. Pal, X. Liu, M. Kareev +2
Transport and magnetoresistance measurements are performed on metallic, high-carrier density YTiO3-CaTiO3 superlattices as a probe towards the investigation of an emergent magnetic…
Anomalous orbital structure in two-dimensional titanium dichalcogenides
Banabir Pal, Yanwei Cao, Xiaoran Liu +6
Generally, lattice distortions play a key role in determining the ground states of materials. Although it is well known that trigonal distortions are generic to most two-dimensiona…
Electronic properties of ultra-thin YCrO3 films
Banabir Pal, Xiaoran Liu, Fangdi Wen +5
We report on the heteroepitaxial stabilization of YCrO3 ultra-thin films on LSAT (001) substrate. Using a combination of resonant X-ray absorption spectroscopy (XAS) and atomic mul…