theoretical physics
Main research direction
1, mechanism of high temperature superconductor, BEC theory and related theories of spintronics.
2. condensed matter theory;
3. Atomic and molecular physics, quantum optics and quantum information theory;
4. Statistical physics and mathematical physics.
5. condensed matter physics theory, computational materials and nano-physics theory.
6. Spintronics, Kondo effect.
7. condensed matter theory, first-principles calculation, large-scale quantum simulation of material properties.
8. Bose-Einstein condensation, molecular magnets, surface physics, quantum chaos.
Condensation physics
Main research direction
1, unconventional superconducting mechanism, mixed state characteristics and flux dynamics.
Study on transport properties, superconducting symmetry and ground state characteristics of (1) high temperature superconductors.
(2) Study on the single electron tunneling spectrum and Andreev reflection of superconductors.
(3) Explore the ground state phase transition and possible superconductivity of a new Mott insulator.
(4) Study on flux dynamics and vortex phase diagram of superconductors.
(5) Study on the synthesis method, crystal structure and superconductivity of new superconductors.
2. Study on electronic states and physical properties of high temperature superconductor heterojunction.
Growth of (1) thin films and heterojunctions of high temperature superconductors and related oxide functional materials.
(2) The influence of iron polarization field on the transport properties and superconductivity of high temperature superconductors.
(3) Study on the spin-polarized electron tunneling effect at the interface between high-temperature superconductors and super-large magnetoresistance materials.
(4) Study on the far infrared physical properties of strongly correlated electronic systems.
3. Explore new superconducting materials and mechanisms.
Experimental study on superconducting mechanism of (1) copper oxide compound
(2) Explore the possibility of electron-exciton interaction superconductor.
(3) Preparation and physical properties of HTSC single crystal by infrared floating zone method.
4. Study on the physics and application of oxide superconductivity and new functional films.
Preparation and Application of (1) Superconducting/Dielectric Heterogeneous Thin Films
(2) Growth and real-time RHEED observation of superconducting and oxide films
(3) Research and application of superconducting quantum devices.
(4) Development of large-area superconducting thin films for superconducting microwave devices.
5. Microwave electrodynamics properties of superconductors, superconducting microwave devices and their applications.
6. Formation mechanism and transport properties of atomic scale surface nanostructures.
Kinetic theory of (1) surface growth;
(2) First-principles calculation of atomic and electronic structures of small surface adsorption systems (biomolecules, water and metal clusters);
(3) Electronic structure and quantum transport characteristics of low-dimensional systems (such as spin regulation and new quantum size effect). ).。
7. Preparation of III-V compound semiconductor materials and their low-dimensional quantum structures and exploration of new devices.
(1) wide band gap compound (In/Ga/AlN, ZnMgO) semiconductor and its low-dimensional quantum structure growth, physical properties, microstructure and their relationship, and explore new microelectronics and optoelectronic devices of wide band gap compound semiconductor;
(2) The design, growth and physical properties of new low-dimensional heterojunction materials based on gallium arsenide and indium phosphide, and the exploration of new microelectronic/optoelectronic devices;
(3) Preparation and physical properties of 3)SiGe/Si strained layer heterojunction materials.
8. Film growth, physical properties and device physics of new energy and electronic materials.
Preparation and device development of (1) nanometer solar energy conversion materials;
(2) CVD and PVD preparation, field emission and luminescence properties of nano-diamond films and carbon nitride nanotubes/boron carbon nitride nanotubes;
(3) Development and application of negative affinity materials;
(4) Preparation and physical properties of nano silicon-based luminescent materials;
(5) Preparation of ordered oxide film and its catalytic performance.
9. Controllable growth and quantum effect of low-dimensional nanostructures
(1) extremely low temperature and strong magnetic field double probe scanning tunneling microscope and spin polarization scanning tunneling microscope;
(2) epitaxial growth and atomic scale control of semiconductor/metal quantum dots/wires;
(3) Transport and quantum effect of low-dimensional nanostructures;
(4) semiconductor spintronics and quantum computing;
(5) Self-assembly of biological and organic molecules, monomolecular chemical reactions and nanocatalysis.
10, theoretical study on biomolecular interface, excited state and dynamic process
(1) First-principles calculation and classical molecular dynamics simulation of the interaction between biomolecular system and biomolecular-solid interface (mainly including oxide surface, simulated cell surface and ion channel structure);
(2) The geometric structure, electronic structure and transport properties of the interface and their effects on biological characteristics;
(3) Study on low-energy excited state, optical absorption spectrum, excitation, relaxation and transport process of electrons, energy conversion and dissipation between electrons and atoms, and time-dependent dynamic process from femtosecond to picosecond.
1 1, surface and interface physics
(1) surface atomic structure, electronic structure and surface vibration;
(2) Surface atom process and interface formation process;
(3) Surface reconstruction and phase transformation;
(4) surface adsorption and desorption;
(5) Explore new methods/technologies for surface science research.
12, spintronics;
13, study on magnetic nanostructures;
14. Study on the structure and physical properties of new rare earth magnetic functional materials;
15. Study on the structure and physical properties of magnetic oxides;
16, hyperfine interaction in magnetic matter;
17, neutron scattering study of structure and dynamics in condensed matter;
18, intelligent magnetic materials and physical properties of intermetallic compound single crystals;
19, study on molecular magnetism;
20. Magnetic theory.
2 1, Nanomaterials and Mesoscopic Physics
Research content:
Develop the preparation methods of carbon nanotubes and other one-dimensional nano-material arrays; Study on the mechanism of template growth and controllable growth: interface structure, spectral analysis and physical properties; Design and preparation of nano-electronic materials, basic unit device physics of nano-electronics.
22, the crystal structure of inorganic materials, phase transition and the relationship between structure and properties.
Research content:
Through the study of material phase transition, the synthesis of new functional materials is explored, which provides scientific basis for the synthesis and performance optimization of advanced materials. Based on the determination of crystal structure, the internal relationship between material structure and properties is discussed, the mechanism of physical properties of advanced materials is expounded from the microscopic point of view of crystal structure, and new functional materials with specific functional structural units are designed and synthesized. Develop and improve the analytical method of powder diffraction structure.
23. Theory and method of electron microscope.
Research content:
Study the image processing theory and method of electron crystallography, and determine the structure of microcrystals and quasicrystals; The theory and experimental methods of surface electron diffraction and imaging, the general theory of elastic and inelastic dynamic electron diffraction, the tensor theory of high energy electron diffraction and the inversion method of dynamic electron diffraction data are systematically developed.
24, the application of high resolution electron microscope in materials science.
Research content:
The growth mechanism of metal/semiconductor nanowires and the relationship between their structure and properties were studied by high resolution, electron energy loss spectrum and electron holography. Study on new defects in complex crystal structure: combining with other physical methods, the microstructure of thin film materials such as giant magnetoresistance, tunnel junction and semiconductor quantum well/dot and their effects on physical properties are studied. Measurement of interface potential field of low-dimensional materials and its relationship with physical properties: determination of magnetic domain structure, anisotropic field and corrugated magnetic domain in magnetic materials.
25. Study on microstructure, electron phase separation and orbital order of strongly correlated systems.
Research contents: structural analysis of high temperature superconductors; Study on the separation of electron stripe phase and electron phase in strongly correlated systems: charge order and JT effect: exploring the application of low temperature Lorentz electron microscopy, electron holography and EELS in unconventional electronic state systems.
26. Growth of nanocrystals and photoelectric functional crystals;
27. Nano-ionic materials, characterization and devices:
28. Chemical preparation and chemical and physical properties of nano-functional materials;
29. Study on the structure and physical characteristics of nano-electronic devices;
30. Research on the integration of nano-electronic devices and the characteristics of nano-circuits;
Study on low temperature physical properties of 3 1 and strongly correlated electronic system:
32. Study on quantum coherence behavior in condensed matter;
33. Electronic properties of low-dimensional nanomaterials;
34. Physical properties of amorphous and nanocrystalline under extreme conditions:
35, high pressure solid new materials and related technology research;
Physics and technology of superconducting tunnel junction.
37. Dynamics of biological macromolecules;
38. Study on population dynamics of particulate matter:
39. Study on the structure and properties of solutions, solids and liquids;
40. Mechanism research and application progress of electrorheological fluids:
Study on inversion of 4 1. acoustic wave equation;
42. Molecular assembly in soft material system: study the assembly of amphiphilic molecules at solid-liquid interface and its application in materials and life sciences;
43. Single molecule biophysics: using single molecule micromanipulation technology to study chromatin assembly and the interaction between DNA and protein;
44. Diffraction phase in structural biology;
45, structural biology experimental analysis method;
46. Nucleation theory and structural prediction of protein folding;
47. protein Interaction.
48. Terahertz far infrared time domain spectroscopy and imaging technology and its application:
49. Fabrication and physical characterization of quantum structures:
50. Preparation of functional thin film materials, nano-artificial structures and physical properties of devices.
optics
Main research direction
1, the characteristics of photonic crystals and their applications in optoelectronic devices; Application of optical tweezers in biology and physics:
2. Nonlinear optical effects of photonic crystals:
3. Theoretical and experimental research on photonic crystals, near-field optics and diffractive optics.
4. Terahertz far infrared time domain spectroscopy and imaging technology and its application;
5. Development of time-resolved ultrafast laser spectrometer: ultrafast spectral study of energy and charge transfer in photosynthesis system and artificial simulation system: experimental study of protein fast folding dynamics;
6. Explore the preparation of low-dimensional materials by laser method and study their physical properties.
7. Exploring magnetic/dielectric and magnetic/ferroelectric heterojunction by laser molecular beam epitaxy;
8. Study the magnetic/piezoelectric, ferroelectric/piezoelectric oxide heterojunction and its related physical properties;
9. Development and photoelectric properties of nano inorganic/organic composite films;
10, exploring a new photoelectric method that can quickly detect molecular biological DNA, and engaging in interdisciplinary research across physics, medicine and biology;
1 1. Study on ferroelectric thin films for microwave communication;
12, the physical properties of low-dimensional system are calculated ab initio by many-body theory;
13, the dynamic process of thin film epitaxial growth is studied by optical reflection differential detection;
14. develop a monitoring method for epitaxial film preparation independent of high vacuum conditions;
15. Preparation of high-performance high-temperature superconducting thin films by laser pulse deposition technology;
16. Study the second high temperature superconducting tape.
17, atomic coherence;
18, femtosecond ultrafast process;
19, strong field physics;
20. Development of time-resolved ultrafast laser spectrometer: ultrafast spectral study of energy and charge transfer in photosynthesis system and artificial simulation system;
Experimental study on fast folding kinetics of 2 1 and protein.
22, strong field physics, ultra-short ultra-strong laser physics, ultra-fast interaction physics, intense laser astrophysics, X-ray laser.
23. Research on new principles and technologies for generating ultra-fast and ultra-strong laser pulses;
24. The physics of high energy density in the interaction between relativistic intense laser and plasma, as well as the physics of intense field and ultrafast.
25, optical nonlinear process;
26. Tuned laser;
27. Research and application of all-solid-state laser.
There are currently 5 doctoral supervisors 1 person in this major (including 2 academicians of China Academy of Sciences and 2 academicians of China Academy of Engineering1person).
Plasma physics
Main research direction
1, fusion plasma;
2. Interaction between low temperature plasma and material surface
radiophysics
Main research direction
1, development of electronic and scientific instruments;
2. According to the needs of scientific research, based on weak signal detection technology and computer technology, a special equipment is developed.