Fast,precise structure determination of unknown compounds has been the foundation but with a persistent challenge in the field of chemical research.Among various chemical characterization techniques,single-crystal X-r...Fast,precise structure determination of unknown compounds has been the foundation but with a persistent challenge in the field of chemical research.Among various chemical characterization techniques,single-crystal X-ray diffraction(SCXRD)stands out as the most straightforward and accurate method in modern structural chemistry.By precisely determining the three-dimensional arrangement of atoms within a crystal,it provides direct atomic-level evidence for understanding the relationship between material structure and properties[1].展开更多
The discovery of the quantum Hall effect in the presence of a relatively strong magnetic field has profoundly inspired the study of topological phase of matter[1],[2],[3],which not only deepens our understanding of co...The discovery of the quantum Hall effect in the presence of a relatively strong magnetic field has profoundly inspired the study of topological phase of matter[1],[2],[3],which not only deepens our understanding of condensed materials beyond the scope of symmetry breaking but also holds significant promise in device application with low or even vanishing energy dissipation.In principle,since the role of magnetic field can be completely replaced by magnetic ordering,quantum Hall effect and its anomalous counterpart,termed quantum anomalous Hall effect(QAHE),typically appear as complementary pair.展开更多
基金the National Natural Science Foundation of China(Nos.22471014 and 22271013)the Beijing Natural Science Foundation(No.2232024)for financial support.
文摘Fast,precise structure determination of unknown compounds has been the foundation but with a persistent challenge in the field of chemical research.Among various chemical characterization techniques,single-crystal X-ray diffraction(SCXRD)stands out as the most straightforward and accurate method in modern structural chemistry.By precisely determining the three-dimensional arrangement of atoms within a crystal,it provides direct atomic-level evidence for understanding the relationship between material structure and properties[1].
基金supported by the National Key R&D Program of China(2022YFA1403700 and 2024YFA1409003)the National Natural Science Foundation of China(12204044,12350401,and 12404056)the Shanghai Science and Technology Innovation Action Plan(24LZ1400800).
文摘The discovery of the quantum Hall effect in the presence of a relatively strong magnetic field has profoundly inspired the study of topological phase of matter[1],[2],[3],which not only deepens our understanding of condensed materials beyond the scope of symmetry breaking but also holds significant promise in device application with low or even vanishing energy dissipation.In principle,since the role of magnetic field can be completely replaced by magnetic ordering,quantum Hall effect and its anomalous counterpart,termed quantum anomalous Hall effect(QAHE),typically appear as complementary pair.
