Zhiling Dun
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View article: Design and Experiment of a Handheld Vibration Harvesting Device for Camellia oleifera Fruits
Design and Experiment of a Handheld Vibration Harvesting Device for Camellia oleifera Fruits Open
To address the challenges of inefficient Camellia oleifera fruits harvesting in hilly and mountainous regions due to the difficulty of using large machinery, a handheld vibration harvesting device for Camellia oleifera fruits was designed.…
View article: Local distortion driven magnetic phase switching in pyrochlore $Yb_2(Ti_{1-x}Sn_x)_2O_7$
Local distortion driven magnetic phase switching in pyrochlore $Yb_2(Ti_{1-x}Sn_x)_2O_7$ Open
While it is commonly accepted that the disorder induced by magnetic ion doping in quantum magnets usually generates a rugged free-energy landscape resulting in slow or glassy spin dynamics, the disorder/distortion effects associated with n…
View article: Emergence of Superconductivity on the Border of Antiferromagnetic Order in RbMn<sub>6</sub>Bi<sub>5</sub> under High Pressure: A New Family of Mn-Based Superconductors
Emergence of Superconductivity on the Border of Antiferromagnetic Order in RbMn<sub>6</sub>Bi<sub>5</sub> under High Pressure: A New Family of Mn-Based Superconductors Open
We report the discovery of superconductivity on the border of antiferromagnetic order in a quasi-one-dimensional material RbMn 6 Bi 5 via measurements of resistivity and magnetic susceptibility under high pressures. Its phase diagram of te…
View article: Anticollinear order and degeneracy lifting in square lattice antiferromagnet LaSrCrO4
Anticollinear order and degeneracy lifting in square lattice antiferromagnet LaSrCrO4 Open
We report the static and dynamic magnetic properties of LaSrCrO$_4$, a seemingly canonical spin-3/2 square-lattice antiferromagnet that exhibits frustration between magnetic layers -- owing to their AB stacking -- and offers a rare testbed…
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: Magneto-transport evidence for strong topological insulator phase in ZrTe<sub>5</sub>.
Magneto-transport evidence for strong topological insulator phase in ZrTe<sub>5</sub>. Open
The identification of a non-trivial band topology usually relies on directly probing the protected surface/edge states. But, it is difficult to achieve electronically in narrow-gap topological materials due to the small (meV) energy scales…
View article: Magneto-transport evidence for strong topological insulator phase in ZrTe5
Magneto-transport evidence for strong topological insulator phase in ZrTe5 Open
The identification of a non-trivial band topology usually relies on directly probing the protected surface/edge states. But, it is difficult to achieve electronically in narrow-gap topological materials due to the small (meV) energy scales…
View article: Investigating Kosterlitz–Thouless physics in the triangular lattice antiferromagnet TmMgGaO<sub>4</sub>
Investigating Kosterlitz–Thouless physics in the triangular lattice antiferromagnet TmMgGaO<sub>4</sub> Open
The transverse-field Ising model on a triangular lattice is predicted to support a topological Kosterlitz-Thouless (KT) phase at nonzero temperature through a mapping of the Ising spins to a complex order parameter defined for each triangu…
View article: Experimental realization of transverse Ising model on kagome and triangular lattice antiferromagnets
Experimental realization of transverse Ising model on kagome and triangular lattice antiferromagnets Open
Transverse Ising model on a frustrated lattice is expected to host intriguing quantum disordered states at low temperatures due to the combination of an ice-like magnetic degeneracy and quantum-tunneling terms.We demonstrate that these mod…
View article: Structural magnetic glassiness in spin ice Dy$_2$Ti$_2$O$_7$
Structural magnetic glassiness in spin ice Dy$_2$Ti$_2$O$_7$ Open
The spin ice compound Dy$_2$Ti$_2$O$_7$ is well-known to realise a three-dimensional Coulomb spin liquid with magnetically charged monopole excitations. Its fate at low temperatures, however, remains an intriguing open question. Based on a…
View article: Instabilities of heavy magnons in an anisotropic magnet
Instabilities of heavy magnons in an anisotropic magnet Open
The search for new elementary particles is one of the most basic pursuits in physics, spanning from subatomic physics to quantum materials. Magnons are the ubiquitous elementary quasiparticle to describe the excitations of fully-ordered ma…
View article: Magnetic Field Induced Phase Transition in Spinel GeNi2O4
Magnetic Field Induced Phase Transition in Spinel GeNi2O4 Open
Cubic spinel GeNi2O4 exhibits intriguing magnetic properties with two successive antiferromagnetic phase transitions (TN1 12.1 and TN2 11.4 K) with the absence of any structural transition. We have performed detailed heat capacity and magn…
View article: Hybridized quadrupolar excitations in the spin-anisotropic frustrated magnet FeI2
Hybridized quadrupolar excitations in the spin-anisotropic frustrated magnet FeI2 Open
Magnetic order is usually associated with well-defined magnon excitations. Exotic magnetic fluctuations with fractional, topological or multipolar character, have been proposed for radically different forms of magnetic matter such as spin-…
View article: Unraveling the Topological Phase of ZrTe$_5$ via Magneto-infrared Spectroscopy
Unraveling the Topological Phase of ZrTe$_5$ via Magneto-infrared Spectroscopy Open
For materials near the phase boundary between weak and strong topological insulators (TIs), their band topology depends on the band alignment, with the inverted (normal) band corresponding to the strong (weak) TI phase. Here, taking the an…
View article: High pressure synthesis and characterization of the pyrochlore Dy<sub>2</sub>Pt<sub>2</sub>O<sub>7</sub>: A new spin ice material*
High pressure synthesis and characterization of the pyrochlore Dy<sub>2</sub>Pt<sub>2</sub>O<sub>7</sub>: A new spin ice material* Open
The cubic pyrochlore Dy 2 Pt 2 O 7 was synthesized under 4 GPa and 1000 °C and its magnetic and thermodynamic properties were characterized by DC and AC magnetic susceptibility and specific heat down to 0.1 K. We found that Dy 2 Pt 2 O 7 d…
View article: Amplitude modes in three-dimensional spin dimers away from quantum critical point
Amplitude modes in three-dimensional spin dimers away from quantum critical point Open
Magnetic excitations of long-range ordered localized spin systems are generally well described by the linear spin-wave theory which accounts for phase fluctuations of the order parameter. In contrast, quasiparticles associated with amplitu…
View article: Modeling Spin Dynamics in the Singlet Ground State Garnet Ho3Ga5O12
Modeling Spin Dynamics in the Singlet Ground State Garnet Ho3Ga5O12 Open
Materials containing non-Kramers magnetic ions can show unusual quantum excitations because of the exact mapping of the two-singlet crystal-field ground state to a quantum model of Ising spins in a transverse magnetic field. Here, we model…
View article: Machine Learning Assisted Insight to Spin Ice Dy$_2$Ti$_2$O$_7$
Machine Learning Assisted Insight to Spin Ice Dy$_2$Ti$_2$O$_7$ Open
Complex behavior poses challenges in extracting models from experiment. An example is spin liquid formation in frustrated magnets like Dy$_2$Ti$_2$O$_7$. Understanding has been hindered by issues including disorder, glass formation, and in…
View article: Landau Quantization in Coupled Weyl Points: A Case Study of Semimetal NbP
Landau Quantization in Coupled Weyl Points: A Case Study of Semimetal NbP Open
Weyl semimetal (WSM) is a newly discovered quantum phase of matter that exhibits topologically protected states characterized by two separated Weyl points with linear dispersion in all directions. Here, via combining theoretical analysis a…
View article: Quantum Spin Fragmentation in Kagome Ice Ho3Mg2Sb3O14
Quantum Spin Fragmentation in Kagome Ice Ho3Mg2Sb3O14 Open
A promising route to realize entangled magnetic states combines geometrical frustration with quantum-tunneling effects. Spin-ice materials are canonical examples of frustration, and Ising spins in a transverse magnetic field are the simple…
View article: Evidence for Dyakonov-Perel-like Spin Relaxation in Pt
Evidence for Dyakonov-Perel-like Spin Relaxation in Pt Open
We utilize nanoscale spin valves with Pt spacer layers to characterize spin relaxation in Pt. Analysis of the spin lifetime indicates that Elliott-Yafet spin scattering is dominant at room temperature, but an unexpected intrinsic Dyakonov-…
View article: Quantum Oscillations at Integer and Fractional Landau Level Indices in ZrTe5
Quantum Oscillations at Integer and Fractional Landau Level Indices in ZrTe5 Open
A three-dimensional (3D) Dirac semimetal (DS) is an analogue of graphene, but with linear energy dispersion in all (three) momentum directions.3D DSs have been a fertile playground in discovering novel quantum particles, for example Weyl f…
View article: Structural Disorder in the Quantum Spin Liquid Candidate YbMgGaO4
Structural Disorder in the Quantum Spin Liquid Candidate YbMgGaO4 Open
Quantum spin liquids are novel magnetic states in which quantum entanglement suppresses conventional magnetic order. Understanding the effects that stabilise such states is an important aim in condensed-matter physics. We propose to invest…
View article: Tilted magnetic field study of ZrTe<sub>5</sub>
Tilted magnetic field study of ZrTe<sub>5</sub> Open
ZrTe5, a topological semimetal, has recently attracted great attention due to its extraordinary electronic properties. Extensive studies have been carried out in ZrTe5 on their charge transport properties. However, there are few studies on…
View article: Quantum Oscillations at Integer and Fractional Landau Level Indices in Single-Crystalline ZrTe5
Quantum Oscillations at Integer and Fractional Landau Level Indices in Single-Crystalline ZrTe5 Open
A three-dimensional (3D) Dirac semimetal (DS) is an analogue of graphene, but with linear energy dispersion in all (three) momentum directions. 3D DSs have been a fertile playground in discovering novel quantum particles, for example Weyl …
View article: Quantum Oscillations at Integer and Fractional Landau Level Indices in Dirac Semimetal ZrTe5
Quantum Oscillations at Integer and Fractional Landau Level Indices in Dirac Semimetal ZrTe5 Open
A three-dimensional (3D) Dirac semimetal (DS) is an analogue of graphene, but with linear energy dispersion in all (three) momentum directions.3D DSs have been a fertile playground in discovering novel quantum particles, for example Weyl f…
View article: Quantum Oscillations at Integer and Fractional Landau Level Indices in ZrTe5
Quantum Oscillations at Integer and Fractional Landau Level Indices in ZrTe5 Open
A three-dimensional (3D) Dirac semimetal (DS) is an analogue of graphene, but with linear energy dispersion in all (three) momentum directions.3D DSs have been a fertile playground in discovering novel quantum particles, for example Weyl f…