Gaoting Lin
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View article: Photocatalytic generation of amidine carbon radicals for aminodihydroquinoline synthesis
Photocatalytic generation of amidine carbon radicals for aminodihydroquinoline synthesis Open
Amidines are ubiquitous in medicines and natural products. However, robust synthetic access to a broad spectrum of diverse analogues remains challenging due to the intrinsic limitations of the two-electron (2e) pathway. To overcome these s…
View article: Evidence for field induced quantum spin liquid behavior in a spin-1/2 honeycomb magnet
Evidence for field induced quantum spin liquid behavior in a spin-1/2 honeycomb magnet Open
One of the most important issues in modern condensed matter physics is the realization of fractionalized excitations, such as the Majorana excitations in the Kitaev quantum spin liquid. To this aim, the 3d-based Kitaev material Na2Co2TeO6 …
View article: Uncovering the phonon spectra and lattice dynamics of plastically deformable InSe van der Waals crystals
Uncovering the phonon spectra and lattice dynamics of plastically deformable InSe van der Waals crystals Open
Stacking two-dimensional (2D) van der Waals (vdW) materials in a layered bulk structure provides an appealing platform for the emergence of exotic physical properties. As a vdW crystal with exceptional plasticity, InSe offers the opportuni…
View article: Static magnetic order with strong quantum fluctuations in spin-1/2 honeycomb magnet Na2Co2TeO6
Static magnetic order with strong quantum fluctuations in spin-1/2 honeycomb magnet Na2Co2TeO6 Open
Kitaev interactions, arising from the interplay of frustration and bond anisotropy, can lead to strong quantum fluctuations and, in an ideal case, to a quantum-spin-liquid state. However, in many nonideal materials, spurious non-Kitaev int…
View article: Evidence for field induced quantum spin liquid behavior in a spin-1/2 honeycomb magnet
Evidence for field induced quantum spin liquid behavior in a spin-1/2 honeycomb magnet Open
One of the most important issues in modern condensed matter physics is the realization of fractionalized excitations, such as the Majorana excitations in the Kitaev quantum spin liquid. To this aim, the 3d-based Kitaev material Na2Co2TeO6 …
View article: Static magnetic order with strong quantum fluctuations in spin-1/2 honeycomb magnet Na2Co2TeO6
Static magnetic order with strong quantum fluctuations in spin-1/2 honeycomb magnet Na2Co2TeO6 Open
Kitaev interactions, arising from the interplay of frustration and bond anisotropy, can lead to strong quantum fluctuations and, in an ideal case, to a quantum-spin-liquid state. However, in many nonideal materials, spurious non-Kitaev int…
View article: Student Engagement Detection: Case Study on Using Peer-to-Peer Emotion Comparison with Context Regularization
Student Engagement Detection: Case Study on Using Peer-to-Peer Emotion Comparison with Context Regularization Open
This paper describes a method to automatically assess participants' engagement in online education. Similar to emotion recognition, student engagement can be subjective. Hence, it is challenging to obtain large-enough and consistent ground…
View article: Controllable phase transition of two-dimensional ferromagnetic chromium telluride thin films grown by molecular beam epitaxy
Controllable phase transition of two-dimensional ferromagnetic chromium telluride thin films grown by molecular beam epitaxy Open
Two-dimensional (2D) Cr (1+ δ ) Te 2 materials exhibit strong magnetic ordering and high Curie temperatures, making them attractive for various applications. It is crucial to achieve controllable synthesis for their successful integration …
View article: Ultralow-field magnetocaloric materials for compact magnetic refrigeration
Ultralow-field magnetocaloric materials for compact magnetic refrigeration Open
Magnetic refrigeration around the liquid-helium temperature plays a critical role in many technological sectors. Even if gallium gadolinium garnet (GGG) has been regarded as the benchmark, its application is highly limited by the small mag…
View article: Discovery of the high-entropy carbide ceramic topological superconductor candidate (Ti0.2Zr0.2Nb0.2Hf0.2Ta0.2)C
Discovery of the high-entropy carbide ceramic topological superconductor candidate (Ti0.2Zr0.2Nb0.2Hf0.2Ta0.2)C Open
High-entropy ceramics (HECs) are solid solutions of inorganic compounds with one or more Wyckoff sites shared by equal or near-equal atomic ratios of multi-principal elements. Material design and property tailoring possibilities emerge fro…
View article: Evidence for field induced quantum spin liquid behavior in a spin-1/2 honeycomb magnet
Evidence for field induced quantum spin liquid behavior in a spin-1/2 honeycomb magnet Open
One of the most important issues in modern condensed matter physics is the realization of fractionalized excitations, such as the Majorana excitations in the Kitaev quantum spin liquid. The 3 d -based Kitaev candidate Na 2 Co 2 TeO 6 is pr…
View article: Ta4CoSi: a Tantalum-rich superconductor with a honeycomb network structure
Ta4CoSi: a Tantalum-rich superconductor with a honeycomb network structure Open
The crystal structure of solid-state materials with unique lattices is considered one of the main factors determining physical properties, including superconductivity. Materials with honeycomb lattices have inspired intense research intere…
View article: Quantum Effect on the Ground State of the Triple-Perovskite Ba<sub>3</sub>MNb<sub>2</sub>O<sub>9</sub> (M = Co, Ni, and Mn) with Triangular-Lattice
Quantum Effect on the Ground State of the Triple-Perovskite Ba<sub>3</sub>MNb<sub>2</sub>O<sub>9</sub> (M = Co, Ni, and Mn) with Triangular-Lattice Open
As the simplest example of geometrical frustration, the two-dimensional triangular lattice antiferromagnet exhibits the mismatch between the lattice geometry and spin-exchange interaction, which has been the subject of intensive studies du…
View article: The Transport Properties of Quasi–One-Dimensional Ba3Co2O6(CO3)0.7
The Transport Properties of Quasi–One-Dimensional Ba3Co2O6(CO3)0.7 Open
We have performed combined elastic neutron diffuse, electrical transport, specific heat, and thermal conductivity measurements on the quasi–one-dimensional Ba 3 Co 2 O 6 (CO 3 ) 0.7 single crystal to characterize its transport properties. …
View article: Regulate the direct-indirect electronic band gap transition by electron-phonon interaction in BaSnO3
Regulate the direct-indirect electronic band gap transition by electron-phonon interaction in BaSnO3 Open
The neutron powder diffraction, specific heat, thermal conductivity, and Raman scattering measurements were presented to study the interplays of lattice, phonons and electrons of the Sr-doping Ba1-xSrxSnO3 (x was less than or equal to 0.1)…
View article: Phonon‐Related Monochromatic THz Radiation and its Magneto‐Modulation in 2D Ferromagnetic Cr<sub>2</sub>Ge<sub>2</sub>Te<sub>6</sub>
Phonon‐Related Monochromatic THz Radiation and its Magneto‐Modulation in 2D Ferromagnetic Cr<sub>2</sub>Ge<sub>2</sub>Te<sub>6</sub> Open
Searching multiple types of terahertz (THz) irradiation source is crucial for the THz technology. In addition to the conventional fermionic cases, bosonic quasi‐/particles also promise energy‐efficient THz wave emission. Here, by utilizing…
View article: Antiferromagnetic Kitaev interaction in<i>J</i> <sub>eff</sub> <b>=</b> 1/2 cobalt honeycomb materials Na<sub>3</sub>Co<sub>2</sub>SbO<sub>6</sub> and Na<sub>2</sub>Co<sub>2</sub>TeO<sub>6</sub>
Antiferromagnetic Kitaev interaction in<i>J</i> <sub>eff</sub> <b>=</b> 1/2 cobalt honeycomb materials Na<sub>3</sub>Co<sub>2</sub>SbO<sub>6</sub> and Na<sub>2</sub>Co<sub>2</sub>TeO<sub>6</sub> Open
Finding new materials with antiferromagnetic (AFM) Kitaev interaction is an urgent issue for quantum magnetism research. We conclude that Na 3 Co 2 SbO 6 and Na 2 Co 2 TeO 6 are new honeycomb cobalt-based systems with AFM Kitaev interactio…
View article: Phonon-related monochromatic THz radiation and its magneto-modulation in 2D ferromagnetic Cr2Ge2Te6
Phonon-related monochromatic THz radiation and its magneto-modulation in 2D ferromagnetic Cr2Ge2Te6 Open
Searching multiple types of terahertz (THz) irradiation source is crucial for the THz technology. Here, by utilizing a two-dimensional (2D) ferromagnetic Cr2Ge2Te6 crystal, we firstly demonstrate a magneto-tunable monochromatic THz irradia…
View article: Antiferromagnetic Kitaev interaction in $J_\rm{eff}=1/2$ cobalt honeycomb materials Na$_3$Co$_2$SbO$_6$ and Na$_2$Co$_2$TeO$_6$
Antiferromagnetic Kitaev interaction in $J_\rm{eff}=1/2$ cobalt honeycomb materials Na$_3$Co$_2$SbO$_6$ and Na$_2$Co$_2$TeO$_6$ Open
Finding new materials with antiferromagnetic (AFM) Kitaev interaction is an urgent issue to broaden and enrich the quantum magnetism research significantly. By carrying out inelastic neutron scattering experiments and subsequent analysis, …
View article: Field-induced quantum spin disordered state in spin-1/2 honeycomb magnet Na2Co2TeO6 with small Kitaev interaction
Field-induced quantum spin disordered state in spin-1/2 honeycomb magnet Na2Co2TeO6 with small Kitaev interaction Open
Spin-orbit coupled honeycomb magnets with the Kitaev interaction have caught lots of attention since they host exotic physical properties, including the long-sought quantum spin-liquid (QSL) state. So far, the most studied Kitaev systems a…
View article: Orbital competition of Mn3+ and V3+ ions in Mn1+xV2-xO4
Orbital competition of Mn3+ and V3+ ions in Mn1+xV2-xO4 Open
The structure and magnetic properties of Mn1+xV2-xO4 (0 a) phase transition was observed. For x > 0.3, the system maintained the tetragonal lattice. The collinear and noncollinear magnetic transition was also observed for all compositions.…
View article: Micro-MOKE with optical interference in the study of 2D Cr2Ge2Te6 nanoflake based magnetic heterostructures
Micro-MOKE with optical interference in the study of 2D Cr2Ge2Te6 nanoflake based magnetic heterostructures Open
Due to its high sensitivity and sub-micrometer spatial resolution, the microscopic magneto-optical Kerr effect (micro-MOKE) technique has been widely utilized in the study of two-dimensional (2D) magnetic materials and heterostructures. He…
View article: Multiple structure and symmetry types in narrow temperature and magnetic field ranges in two-dimensional Cr2Ge2Te6 crystal
Multiple structure and symmetry types in narrow temperature and magnetic field ranges in two-dimensional Cr2Ge2Te6 crystal Open
Multiple structure and symmetry types and their transformations are discovered in quasi-two-dimensional (quasi-2D) Cr2Ge2Te6 crystal in surprisingly very narrow temperature range of 2 K and magnetic field range of 0.07 T using a homebuilt …
View article: Magnetic evolution of Spinel Mn1-xZnxCr2O4 single crystals
Magnetic evolution of Spinel Mn1-xZnxCr2O4 single crystals Open
Mn1-xZnxCr2O4 (0
View article: Spin dynamics, electronic, and thermal transport properties of two-dimensional CrPS4 single crystal
Spin dynamics, electronic, and thermal transport properties of two-dimensional CrPS4 single crystal Open
2-Dimensional (2D) CrPS4 single crystals have been grown by the chemical vapor transport method. The crystallographic, magnetic, electronic, and thermal transport properties of the single crystals were investigated by the room-temperature …