Research Plan (研究計畫)
近年來，量子科技蓬勃發展引領整個學術界的前進，但國內在基礎科學材料開發方面存在嚴重的人才斷層，因此，我們強調量子磁性材料單晶成長，並在極端條件下(如高壓)研究其物理特性。在未來幾年內，我們將在中山大學物理系建置專門開發量子磁性材料實驗室，並重點研究量子磁性材料在高壓環境下的物理特性。
Build up the platform for the synthesis of quantum materials (single crystal) and exploring physical properties
under extreme conditions (high-pressure)
(建置量子材料(單晶)合成及探索在極端條件(高壓)下物理特性之技術平台)
Keywords: Low-temp, High-Field, High-Pressure
Single crystal growth for quantum magnetic materials
NSRRC (Taiwan) & Neutron (Japan, Australia, USA, India)
RESEARCH INTERESTS: (研究方向)
Magnetic structure determination in strongly correlated systems using single crystal and powder neutron diffraction (磁結構分析)
Crystal growth of quantum materials (unconventional superconductor, multiferroic, magnetic skyrmion, low-dimensional quantum magnet, topological insulator, Dirac/Weyl semimetals, transitional metal oxides/4f-rare earth intermetallic compound with spin-orbital and electronic correlations) (量子材料製備)
Exploring new skyrmion/quantum skyrmion materials (skyrmion材料物性探索)
Seeking new multiferroic magneto-electric materials and multiple piezomagnetic materials (多鐵性、磁電耦合及壓磁材料)
High-pressure effect (Magnetic properties and crystal structure) on the strongly correlated electron system (高壓效應)
RESEARCH SKILLS: (研究方法)
實驗室涵蓋從樣品製備、物理特性探索到數據分析的一整套流程，同學畢業前可完整的學習到一套學術科研技能，培養出獨立思考及解決問題的能力
Materials Synthesis: (樣品製備) Preparation of inorganic materials using solid-state-reaction method, self-flux method, hydrothermal method, Bridgman method, Floating zone method, and chemical vapor transport method; preparation of intermetallic compounds using arc melting method, flux method, Bridgman method, Floating zone method, and Radio-frequency induction method
Characterization: (各式物理特性研究) Single crystal and powder X-ray/neutron diffraction with Rietveld refinement (crystal and magnetic structure), X-ray absorption spectroscopy (XAS), extended X-ray absorption fine structure (EXAFS), electrical resistivity and hall effect measurement, dielectric/magnetodielectric/magnetoelectric, pyroelectric-current, P-E hysteresis loop, magnetic properties with and without high pressure, magnetic structure analysis
Instrumentation: (儀器設備使用) D2-phaser/D8/Rigaku SmartLab X-ray diffractometer, 4-circle Xray diffractometer, TLS-01C2/20A1/17C1/ and TPS 09A beamline at NSRRC, Agilent impedance analyzer (4294A and E4980A), Keithley 6517A/6517B electrometer, AH 2500 capacitance bridge, Lakeshore 336/340 temperature controller, MPMS XL-7, MPMS3, PPMS, Radiant Precision Multiferroic-II Ferroelectric Test System, thermogravimeter-differential thermal analyzer
Neutron scattering: (中子散射) 同學每年都有機會跟本人可以到日本、美國及澳洲國家中子實驗站執行中子實驗並獲取中子數據
Japan at JRR3 & J-PARC
General-purpose triple-axis neutron spectrometer (4G GPTAS, JRR3)
BL08 Super High Resolution Powder Diffractometer SuperHRPD & BL20 IBARAKI Materials Design Diffractometer iMATERIA at J-PARC
BL18 SENJU Extreme Environment Single Crystal Neutron Diffractometer (J-PARC)
BL12 High Resolution Chopper Spectrometer HRC (J-PARC) & BL23 Polarized Neutron Spectrometer POLANO (J-PARC)
USA at HFIR, ORNL
Alignment Diffractometer (CG1B)
Neutron Powder Diffractometer (POWDER, HB-2A) & Cold Neutron Triple-Axis Spectrometer (CTAX, CG-4C)
Dimensional Extreme Magnetic Neutron Diffractometer (DEMAND, HB-3A)
Australian at ANSTO
Cold Tripe Axis Spectrometer (SIKA)
High Resolution Powder Diffractometer (ECHIDNA) & High-Intensity Powder Diffractometer (WOMBAT)