High pressure has revealed surprising physics and creates novel states in condensed matter.Exciting examples include near-roomtemperature superconductivity(T_(c)>200 K)in highlypressured hydrides such as H_(3)S and La...
The effects of the interlayer distance on the nonlinear optical properties of n-type quadrupleδ-doped GaAs quantum well were theoretically investigated.Particularly,the absorption coefficient and the relative refract...
The work was supported by the Office of Naval Research(No.N00014-19-1-2596);the National Science Foundation(NSF)through CHE-1455330;Some experiments were performed with the support of Nebraska Materials Research Science and Engineering Center(NSF DMR-1420645)using the instrumentation at Nebraska Nanoscale Facility,which is supported by the NSF(ECCS-1542182)and the Nebraska Research Initiative.All the simulations were performed on the Blue Water computation resources provided by the University of Illinois at Urbana-Champaign.
Graphene nanoribbons(GNRs)attract a growing interest due to their tunable physical properties and promise for device applications.A variety of atomically precise GNRs have recently been synthesized by on-surface and s...
supported by the National Key R&D Program of China(Grant No.2016YFB0700600);the Shenzhen Science and Technology Research Grant(Grant No.ZDSYS201707281026184);the Guangdong Key-lab Project(Grant No.2017B0303010130);Wang is supported by the Director Office of Science(SC)、Basic Energy Science(BES)、Materials Science and Engineering Division (MSED) of the US Department of Energy(DOE)under Contract No.DE-AC02-05CH11231 through the Materials Theory program(KC2301)
Recently, many high-throughput calculation materials databases have been constructed and found wide applications. However, a database is only useful if its content is reliable and sufficiently accurate. It is thus of ...
supported by the Director,Office of Science,Office of Basic Energy Sciences,of the U.S.Department of Energy under Contract No.DE-AC02-05CH11231;supported by the LDRD program at the Lawrence Berkeley National Laboratory
The formidable challenge of developing high-performance battery system stems from the complication of battery operations, both mechanically and electronically. In the electrodes and at the electrode-electrolyte interf...
Project supported by the National Natural Science Foundation of China (Grant Nos. 60908028, 60971068, 10979065, and 61275201);the Fundamental Research Funds for the Central Universities (Grant No. 2011RC0402);the Program for New Century Excellent Talents in University (Grant No. NCET-10-0261)
We show nanomechanical force is useful to dynamically control the optical response of self-assembled quantum dots, giving a method to shift electron and heavy hole levels, interval of electron and heavy hole energy le...
Intersubband linear and third-order nonlinear optical properties of conical quantum dots with infinite barrier potential are studied. The electronic structure of conical quantum dots through effective mass approximati...
supported by the Innovation Team of Chongqing Universities of Chongqing Municipal Education Commission, Chongqing, China (Grant No.201013);the Basic Research of Chongqing Municipal Education Commission, Chongqing, China (Grant No.KJ080825);the Natural Science Research Fund for the Doctors of Chongqing Normal University, Chongqing, China (GrantNo.08XLB015)
The application fields of Compton scattering have been further broadened through the studies of theories and experiments as well as the electronic structure of the scatters. The relationship between the contents of bi...
ACKNOWLEDGMENTS This work was supported by the NationM NaturM Science Foundation of China (No. 10647006), the Prominent Youth Foundation (No.Q200704) and the Scientific Developmental Foundation of Lanzhou University of Technology. Cai-rong Zhang would like to thank Professor Wan-zhen Liang (USTC), and the Gansu Supercomputer Center is also appreciated.
The geometry, electronic structure, polarizability and hyperpolarizability of dye sensitizer 3,4-bis[1-(carboxymethyl)-3-indolyl]-1H-pyrrole-2,5-dione (BIMCOOH) were studied using density functional theory (DFT)...
This work was supported by the Knowledge Innovation Program of the Chinese Academy of Sciences (No.KZCX2-YW-205) and the Hundred Talents Fund, the 973 Program of Ministry of Science and Technology of China (No.2006CB403701), and the National Natural Science Foundation of China (No.20577052, No.20673123, No.20473094, and No.20503035).
Trichloromethanesulfenyl thiocyanate, CCl3SSCN, was generated and studied by photoelectron spectroscopy (PES), photoionization mass spectroscopy (PIMS), and theoretical calculations. This molecule exhibits a gauch...