Light‐Induced Mott‐Insulator‐to‐Metal Phase Transition in Ultrathin Intermediate‐Spin Ferromagnetic Perovskite Ruthenates
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202211612
Abstract: Light control of emergent quantum phenomena is a widely used external stimulus for quantum materials. Generally, perovskite strontium ruthenate SrRuO3 has an itinerant ferromagnetism with a low‐spin state. However, the phase of intermediate‐spin (IS) ferromagnetic… read more here.
Keywords: mott insulator; spin ferromagnetic; spin; phase ... See more keywords
Ultrahigh Infrared Photoresponse in Titanium Sesquioxide at Mott‐Insulator Transition
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DOI: 10.1002/admi.202001091
Abstract: An ultrahigh infrared (IR) photoresponse is reported in granular titanium sesquioxide (Ti2O3), also known as Mott insulator, at its semiconductor−metal transition temperature of 400 K. Ultrahigh photoresponse is obtained due to the IR radiation induced… read more here.
Keywords: ultrahigh infrared; mott insulator; titanium sesquioxide; infrared photoresponse ... See more keywords
Mott-Insulator-Superfluid Phase Transition with Coupled-Cavity Frequency Conversion System
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-017-3552-y
Abstract: An array of coupled cavities, each of which contains a triangle-down-level atom, is investigated. An effective Hamiltonian can be achieved under the strong classical driving. We can control the transition between Mott-insulator and superfluid states… read more here.
Keywords: insulator superfluid; transition; mott insulator; frequency conversion ... See more keywords
Atomic-scale fragmentation and collapse of antiferromagnetic order in a doped Mott insulator
Sign Up to like & getrecommendations! Published in 2019 at "Nature Physics"
DOI: 10.1038/s41567-019-0671-9
Abstract: Disentangling the relationship between the insulating state with a charge gap and the magnetic order in an antiferromagnetic Mott insulator remains difficult due to inherent phase separation as the Mott state is perturbed1–7. Measuring magnetic… read more here.
Keywords: mott insulator; order; antiferromagnetic order; range ... See more keywords
Mott insulator of strongly interacting two-dimensional semiconductor excitons
Sign Up to like & getrecommendations! Published in 2021 at "Nature Physics"
DOI: 10.1038/s41567-021-01440-8
Abstract: In condensed-matter physics, Mott insulators are an important phase involving strongly interacting electrons because of their intricate relationship with high-temperature superconductors 1 , 2 . Mott phases were recently observed for both bosonic and fermionic… read more here.
Keywords: semiconductor excitons; strongly interacting; mott insulator; insulator ... See more keywords
Corrigendum: Anderson localization and Mott insulator phase in the time domain
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/srep46946
Abstract: This corrects the article DOI: 10.1038/srep10787. read more here.
Keywords: corrigendum anderson; insulator phase; mott insulator; phase time ... See more keywords
BaCu(OH)3Cl: a new one-dimensional Mott insulator with a CuO2 chessboard layer
Sign Up to like & getrecommendations! Published in 2018 at "New Journal of Chemistry"
DOI: 10.1039/c8nj04266g
Abstract: In order to obtain a Ba analogue of the Mott insulator SrCu(OH)3Cl, a new structure-type compound BaCu(OH)3Cl has been synthesized by a hydrothermal method. The crystal structure of the title compound consists of an undulating… read more here.
Keywords: mott; chessboard layer; one dimensional; mott insulator ... See more keywords
Pressure-induced Mott-insulator–metal crossover at ambient temperature in an overexpanded fulleride
Sign Up to like & getrecommendations! Published in 2018 at "Materials Chemistry Frontiers"
DOI: 10.1039/c8qm00048d
Abstract: Rb0.5Cs2.5C60 is a member of the family of face-centred-cubic (fcc)–structured alkali fullerides, A3C60 (A = alkali metal) with a highly expanded lattice size. At ambient temperature and pressure, it is a Mott–Jahn–Teller insulator. However, upon… read more here.
Keywords: temperature; mott insulator; insulator metal; ambient temperature ... See more keywords
Photoinduced coherent acoustic phonon dynamics inside Mott insulator Sr2IrO4 films observed by femtosecond X-ray pulses
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4980062
Abstract: We investigate the transient photoexcited lattice dynamics in a layered perovskite Mott insulator Sr2IrO4 film by femtosecond X-ray diffraction using a laser plasma-based X-ray source. The ultrafast structural dynamics of Sr2IrO4 thin films are determined… read more here.
Keywords: insulator sr2iro4; mott insulator; femtosecond ray; coherent acoustic ... See more keywords
Ligand field luminescence in the honeycomb Mott insulator α-RuCl3
Sign Up to like & getrecommendations! Published in 2023 at "New Journal of Physics"
DOI: 10.1088/1367-2630/acd5ab
Abstract: Novel electronic structure is central to Kitaev-like quantum spin liquid ground state in the van der Waals antiferromagnet α-RuCl3. In this octahedral low-spin 4d5 system, the rich bandstructure includes Mott–Hubbard insulating bandgap of ∼1.1 eV… read more here.
Keywords: honeycomb mott; field; mott insulator; ligand field ... See more keywords
Dimensionality-driven metal to Mott insulator transition in two-dimensional 1T-TaSe2
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DOI: 10.1093/nsr/nwad144
Abstract: Two-dimensional materials represent a major frontier for research into exotic many-body quantum phenomena. In the extreme two-dimensional limit, electron-electron interaction often dominates over other electronic energy scales, leading to strongly correlated effects such as quantum… read more here.
Keywords: two dimensional; mott insulator; metal mott; dimensionality ... See more keywords