Weiqiang Yu
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View article: Single-crystal growth, structural characterization, and physical properties of a decorated square-kagome antiferromagnet KCu$_7$TeO$_4$(SO$_4$)$_5$Cl
Single-crystal growth, structural characterization, and physical properties of a decorated square-kagome antiferromagnet KCu$_7$TeO$_4$(SO$_4$)$_5$Cl Open
The square-kagome lattice, composed of two-dimensional corner-sharing triangles, provides a novel platform for studying frustrated magnetism. However, material realizations of the square-kagome lattice remain scarce. Here, we report the si…
View article: Publisher Correction: Bose–Einstein condensation of a two-magnon bound state in a spin-1 triangular lattice
Publisher Correction: Bose–Einstein condensation of a two-magnon bound state in a spin-1 triangular lattice Open
View article: Multidisciplinary Management Of Skeletal Class Iii Malocclusion With Missing Teeth
Multidisciplinary Management Of Skeletal Class Iii Malocclusion With Missing Teeth Open
Introduction: This case report presents an innovative non-surgical treatment strategy for a complex case of skeletal Class III malocclusion accompanied by multiple congenitally missing teeth, demonstrating the effectiveness of combined ort…
View article: NMR study of spin supersolid phases in the triangular-lattice antiferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Na</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi>BaCo</mml:mi><mml:msub><mml:mrow><mml:mo>(</mml:mo><mml:msub><mml:mi>PO</mml:mi><mml:mn>4</mml:mn></mml:msub><mml:mo>)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
NMR study of spin supersolid phases in the triangular-lattice antiferromagnet Open
We report ultra-low-temperature $^{23}$Na NMR measurements on the Ising triangular lattice antiferromagnet Na$_2$BaCo(PO$_4$)$_2$, which precisely resolve the phase diagram under magnetic field applied along the crystalline $c$ axis. With …
View article: Bose–Einstein condensation of a two-magnon bound state in a spin-1 triangular lattice
Bose–Einstein condensation of a two-magnon bound state in a spin-1 triangular lattice Open
View article: Haldane phase, field-induced magnetic ordering and Tomonaga-Luttinger liquid behavior in a spin-one chain compound NiC$_2$O$_4$$\cdot$2NH$_3$
Haldane phase, field-induced magnetic ordering and Tomonaga-Luttinger liquid behavior in a spin-one chain compound NiC$_2$O$_4$$\cdot$2NH$_3$ Open
We performed single-crystal magnetic susceptibility and $^1$H NMR measurements on a quasi-1D, spin-1 antiferromagnet NiC$_2$O$_4$$\cdot$2NH$_3$, with temperature down to 100 mK and with field up to 26 T. With field applied along the chain …
View article: Two Plaquette-Singlet Phases and Emergent SO(5) Deconfined Quantum Criticality in SrCu2(BO3)2
Two Plaquette-Singlet Phases and Emergent SO(5) Deconfined Quantum Criticality in SrCu2(BO3)2 Open
The deconfined quantum critical point (DQCP) has become a central open concept in the physics of quantum matter, and its proposed presence in the Shastry-Sutherland model was followed by the experimental observation of at least a minimal D…
View article: Digital slick-line monitoring technology and its application in offshore oil and gas well testing
Digital slick-line monitoring technology and its application in offshore oil and gas well testing Open
Oil and gas well testing is an important means of evaluating the characteristics and production capacity of oil and gas reservoirs, providing important basis for the formulation of oil and gas field development plans. Downhole operations a…
View article: Molecular intercalation in the van der Waals antiferromagnets <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>FePS</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>NiPS</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math>
Molecular intercalation in the van der Waals antiferromagnets and Open
We have performed electrochemical treatment of the van der Waals antiferromagnetic materials FePS3 and NiPS3 with the ionic liquid EMIM-BF4, achieving significant molecular intercalation. Mass analysis of the intercalated compounds, EMIMx-…
View article: Semiclassical approach to spin dynamics of a ferromagnetic S = 1 chain
Semiclassical approach to spin dynamics of a ferromagnetic S = 1 chain Open
Motivated by recent experimental progress on the quasi-one-dimensional quantum magnet NiNb 2 O 6 , we study the spin dynamics of an S = 1 ferromagnetic Heisenberg chain with single-ion anisotropy by using a semiclassical molecular dynamics…
View article: NMR evidence of spinon localization in the kagome antiferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>YCu</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:mrow><mml:msub><mml:mrow><mml:mo>(</mml:mo><mml:mi>OH</mml:mi><mml:mo>)</mml:mo></mml:mrow><mml:mn>6</mml:mn></mml:msub><mml:msub><mml:mi>Br</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mrow><mml:mo>[</mml:mo></mml:mrow><mml:msub><mml:mi>Br</mml:mi><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mo>(</mml:mo><mml:mi>OH</mml:mi><mml:mo>)</mml:mo></mml:mrow><mml:mi>x</mml:mi></mml:msub><mml:mrow><mml:mo>]</mml:mo></mml:mrow></mml:mrow></mml:math>
NMR evidence of spinon localization in the kagome antiferromagnet Open
We performed nuclear magnetic resonance studies on a kagome antiferromagnet\nYCu$_3$(OH)$_6$Br$_2$[Br$_{1-x}$(OH)$_{x}$]. No significant NMR spectral\nbroadening is found in the Br center peak from 1 K down to 0.05 K, indicating\nabsence o…
View article: Field-induced phase transitions and quantum criticality in a honeycomb antiferromagnet Na3Co2SbO6
Field-induced phase transitions and quantum criticality in a honeycomb antiferromagnet Na3Co2SbO6 Open
We performed 23Na NMR measurements on a single-domain crystal of the Kitaev material Na3Co2SbO6, with magnetic field applied along the crystalline a axis. A positive Curie-Weiss constant is obtained from the NMR Knight shift, which suggest…
View article: Data and simulation codes for "Proximate deconfined quantum critical point in SrCu2(BO3)2"
Data and simulation codes for "Proximate deconfined quantum critical point in SrCu2(BO3)2" Open
Experimental data and numerical simulation codes for a manuscript titled "Proximate deconfined quantum critical point in SrCu2(BO3)2".
View article: Data and codes for "Proximate deconfined quantum critical point in SrCu2(BO3)2"
Data and codes for "Proximate deconfined quantum critical point in SrCu2(BO3)2" Open
Experimental data and numerical simulation codes for a manuscript titled "Proximate deconfined quantum critical point in SrCu2(BO3)2".
View article: Data and codes for "Proximate deconfined quantum critical point in SrCu2(BO3)2"
Data and codes for "Proximate deconfined quantum critical point in SrCu2(BO3)2" Open
Experimental data and numerical simulation codes for a manuscript titled "Proximate deconfined quantum critical point in SrCu2(BO3)2".
View article: Variational Corner Transfer Matrix Renormalization Group Method for Classical Statistical Models
Variational Corner Transfer Matrix Renormalization Group Method for Classical Statistical Models Open
In the context of tensor network states, we for the first time reformulate the corner transfer matrix renormalization group (CTMRG) method into a variational bilevel optimization algorithm. The solution of the optimization problem correspo…
View article: Pressure-Induced Superconductivity in Flat-Band Kagome Compounds Pd<sub>3</sub>P<sub>2</sub>(S<sub>1 – x </sub>Se<sub> x </sub>)<sub>8</sub>
Pressure-Induced Superconductivity in Flat-Band Kagome Compounds Pd<sub>3</sub>P<sub>2</sub>(S<sub>1 – x </sub>Se<sub> x </sub>)<sub>8</sub> Open
We performed high-pressure transport studies on the flat-band Kagome compounds, Pd 3 P 2 (S 1 – x Se x ) 8 ( x = 0, 0.25), with a diamond anvil cell. For both compounds, the resistivity exhibits an insulating behavior with pressure up to 1…
View article: Field-induced antiferromagnetism and Tomonaga-Luttinger liquid behavior in the quasi-one-dimensional Ising antiferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>SrCo</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">V</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>8</mml:mn></mml:msub></mml:mrow></mml:math>
Field-induced antiferromagnetism and Tomonaga-Luttinger liquid behavior in the quasi-one-dimensional Ising antiferromagnet Open
We investigate the low-temperature properties of the Ising-like screw chain\nantiferromagnet SrCo$_2$V$_2$O$_8$ under a longitudinal magnetic field by\nsusceptibility and $^{51}$V NMR measurements. The bulk susceptibility $\\chi$\nshows an…
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>E</mml:mi></mml:mrow><mml:mrow><mml:mn>8</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math> Spectra of Quasi-One-Dimensional Antiferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>BaCo</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi mathvariant="normal">V</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>8</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math> under Transverse Field
Spectra of Quasi-One-Dimensional Antiferromagnet under Transverse Field Open
We report ^{51}V NMR and inelastic neutron scattering (INS) measurements on a quasi-1D antiferromagnet BaCo_{2}V_{2}O_{8} under transverse field along the [010] direction. The scaling behavior of the spin-lattice relaxation rate above the …
View article: Spin-orbit phase behavior of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mrow><mml:mi>Na</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Co</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>TeO</mml:mi></mml:mrow><mml:mn>6</mml:mn></mml:msub></mml:math> at low temperatures
Spin-orbit phase behavior of at low temperatures Open
We present a comprehensive study of single crystals of Na2Co2TeO6, a putative\nKitaev honeycomb magnet, focusing on its low-temperature phase behaviors. A new\nthermal phase transition is identified at 31.0 K, below which the system\ndevel…
View article: NMR Evidence of Antiferromagnetism in Nd$_{0.85}$Sr$_{0.15}$NiO$_2$
NMR Evidence of Antiferromagnetism in Nd$_{0.85}$Sr$_{0.15}$NiO$_2$ Open
Despite the recent discovery of superconductivity in Nd$_{1-x}$Sr$_{x}$NiO$_2$ thin films, the absence of superconductivity and antiferromagnetism in their bulk materials remain a puzzle. Here we report the $^{1}$H NMR {measurements on pow…
View article: Evidence of the Berezinskii-Kosterlitz-Thouless phase in a frustrated magnet
Evidence of the Berezinskii-Kosterlitz-Thouless phase in a frustrated magnet Open
View article: Quantum Criticality of the Ising-like Screw Chain Antiferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>SrCo</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">V</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>8</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:mrow></mml:math> in a Transverse Magnetic Field
Quantum Criticality of the Ising-like Screw Chain Antiferromagnet in a Transverse Magnetic Field Open
The quantum criticality of an Ising-like screw chain antiferromagnet SrCo_{2}V_{2}O_{8}, with a transverse magnetic field applied along the crystalline a axis, is investigated by ultralow temperature NMR measurements. The Néel temperature …
View article: Non-Volatile Superconductivity in an Insulating Copper Oxide Induced via Ionic Liquid Gating
Non-Volatile Superconductivity in an Insulating Copper Oxide Induced via Ionic Liquid Gating Open
Manipulating the superconducting states of high-T_c cuprate superconductors in an efficient and reliable way is of great importance for their applications in next-generation electronics. Traditional methods are mostly based on a trial-and-…
View article: Experimental identification of quantum spin liquids
Experimental identification of quantum spin liquids Open
View article: Microstructure evolution and electrochemical properties of TiO2/Ti-35Nb-2Ta-3Zr micro/nano-composites fabricated by friction stir processing
Microstructure evolution and electrochemical properties of TiO2/Ti-35Nb-2Ta-3Zr micro/nano-composites fabricated by friction stir processing Open
View article: Analysis of the Correlation between Morphology and Kinematics of Anteriorly Displaced TMJ Discs Using Cine-MRI and ARCUSdigma Systems
Analysis of the Correlation between Morphology and Kinematics of Anteriorly Displaced TMJ Discs Using Cine-MRI and ARCUSdigma Systems Open
Background: Studies of mandibular movement trajectories have provided a good understanding of the motion of the condyle but little information on the geometric relationships of the disc because they have not related the movements to anatom…
View article: Room-temperature Protonation Induced High-Tc Phase in Iron-based Superconductors Evidenced by NMR and Magnetization Measurements
Room-temperature Protonation Induced High-Tc Phase in Iron-based Superconductors Evidenced by NMR and Magnetization Measurements Open
Chemical substitution during growth is a well-established method to manipulate electronic states of quantum materials, and leads to rich spectra of phase diagrams in cuprate and iron-based superconductors. Here we report a novel and generi…
View article: Gapless Spin Excitations in the Field-Induced Quantum Spin Liquid Phase of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>α</mml:mi><mml:mtext>−</mml:mtext><mml:msub><mml:mrow><mml:mi>RuCl</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>
Gapless Spin Excitations in the Field-Induced Quantum Spin Liquid Phase of Open
α-RuCl_{3} is a leading candidate material for the observation of physics related to the Kitaev quantum spin liquid (QSL). By combined susceptibility, specific-heat, and nuclear-magnetic-resonance measurements, we demonstrate that α-RuCl_{…
View article: High-pressure magnetization and NMR studies of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>α</mml:mi><mml:mtext>−</mml:mtext><mml:msub><mml:mi>RuCl</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
High-pressure magnetization and NMR studies of Open
We report high-pressure magnetization and $^{35}$Cl NMR studies on $\alpha$-RuCl$_3$ with pressure up to 1.5~GPa. At low pressures, the magnetic ordering is identified by both the magnetization data and the NMR data, where the $T_N$ shows …