the financial support from the National Natural Science Foundation of China(Grant Nos.12004083 and 51972069);the Science and Technology Projects in Guangzhou(Grant Nos.202102020350 and 202102010470);the National Key R&D Program of China(Grant No.2016YFB0200800);the Opening Project of Joint Laboratory for Planetary Science and Supercomputing(Grant No.CSYYGS-QT-2024-14);the Key-Area Research and Development Program of Guangdong Province(Grant No.2019B030330001);the College Students Innovation and Entrepreneurship Training Program of Guangdong Province(Grant No.S202311078133);Key Discipline of Materials Science and Engineering,Bureau of Education of Guangzhou(Grant No.202255464);the National Supercomputer Center in Guangzhou;the National Supercomputing Center in Chengdu;the Network Center of Guangzhou University。
The recent discovery of field emission devices based on one-dimensional nanostructures has attracted much interest in emerging applications on next-generation flat panel displays,molecule-based sensors,and so forth.To...
To reveal invariant properties of human languages is one of the central goals of modern generative grammar.Hierarchical feature of sentence construction, one of the key notions in this regard, reflects one of the most...
This work described above was financially supported by National Key R&D Program of China (No. 2017YFD0200703), and the General Program of Natural Science Foundation of China (grant number 31572204). The authors would like to thank Hongying Cai from the Department of Chemical Engineering of Tsinghua Univer- sity for his help with SEM observations and Dongwu Chang from the Department of Thermal Energy Engineering of Tsinghua University for assistance with MP measurements.
In this study, controlled-release fertilizers (CRFs) with five different nitrogen release periods were pre- pared by coating large urea particles with polyethylene (PE) membranes under various experimental conditi...
Supported by the National Key Scientific Research Projects of China under Grant No 2015CB932400;the National Natural Science Foundation of China under Grant Nos 11504158,61474059,and U1432129;the Program for New Century Excellent Talents in University of Ministry of Education of China under Grant No NCET-11-1003;the Jiangxi Provincial'Ganpo Talentes 555Projects'
We explore the excitonic effects in chiral graphene nanoribbons (cGNRs), whose edges are composed alternatively of armchair-edged and zigzag-edged segments. For cGNRs dominated by armchair edges, their energy gaps and...
supported by Direction Générale de l’Armement(DGA)
Cellulose, the most abundant organic polymer on Earth, is a sustainable source of carbon to use as a negative electrode for sodium ion batteries. Here, hard carbons(HC) prepared by cellulose pyrolysis were investigate...
supported by “National Natural Science Foundation of China”(Approval No.71473020);“Social Science Foundation of Education Ministry of China”(Approval No.14YJA790058);“The Fundamental Research Funds for the Central University”(Approval No.SKZZY2014019);“Beijing Higher Education Young Elite Teacher Project”(Approval No.108201)
This paper uses the latest data to analyze the historical patterns and the current situation of the technology structure of China' commodities imports, the structure of China's commodities imports from 19 countries ...
Supported by the National Natural Science Foundation of China under Grant Nos 61106094 and 20972097, the Natural Science Foundation of Guangdong Province under Grant No S2012020011003, the Foundation for Distinguished Young Talents in Higher Education of Guangdong under Grant No LYM11111, and the Shenzhen Science Foundation under Grant Nos JC201005280458A, JCYJ20130329115524512 and JCYJ20120613162231310.
We present the experimental evidences showing that three different electron injection models play roles in Alq3 based organic light-emitting diodes in sequence when the thickness of LiF interlayer is changed. It is fo...
supported by the National Natural Science Foundation of China(Grant No.51272150);the Postdoctoral Science Foundation of Shaanxi Province of China
Utilizing a six-band k.p valence band calculations that considered a strained perturbation Hamiltonian, uniaxial stress-induced valence band structure parameters for Ge such as band edge energy shift, split, and effec...
Supported by the National Basic Research Program of China under Grants Nos 2013CB328705 and 2011CB013101, and the National Natural Science Foundation of China under Grants Nos 61306110, 61327801, 61376012, 61204008, and 11204209.
GaMnN/GaN multilayers and conventional GaMnN single layers are grown by metal-organic chemical vapor deposition. Both kinds of samples show room-temperature ferromagnetism. After thermal annealing, the sample with GaM...
supported by the National Natural Science Foundation of China(20923001,21025312)
The design and fabrication of solid nanomaterials are the key issues in heterogeneous catalysis to achieve desired performance. Traditionally, the main theme is to reduce the size of the catalyst particles as small as...