We either have to use methods such as perturbation theory or the variational method, do a numerical calculation or a combination of these. Either way, we need a deeper understanding of the impact of the departure from a two-body system on the symmetry properties of the wave function. We ...
The transition metal atoms of the TMDCs strongly influence not only the magnitude of the spin splitting, but also the ordering of the spin-split conduction bands (see Fig. 1c). While for MoX2, the optically bright A-exciton transition connects the upper valence band with the lower conduction...
In this paper we use STM lithography that allows both the precision placement of donor atoms for direct and independent spin-measurement of electrons near a readout structure and, most importantly, the control of the exchange interaction between them. We measure the anti-correlated spin states that...
Single-photondoubleionizationofHe,Li+,Be2+,andH,aswellastheKshellofneutralLiandBeatomswith"hollowion"formation,isstudiedusingtheabinitiotime-dependentscalingmethodthathasanadvantageofavoidingtheexplicituseofdoublecontinuumcorrelatedfunctionsandallowsonetoobtaincompleteinformationaboutthethreefolddifferentialcrosssectionin...
In this section we formulate the perturbation theory for the calculation of the energy levels in high-Z few-electron atoms. In these systems the number of electrons denoted by N is much smaller than the nuclear charge number Z. It follows that the interaction of the electrons with each other...
More importantly, a relatively small band gap (roughly 0.29 eV) enables its light absorption spectrum to cover the entire visible light region. Interestingly, the Mo atoms in the MoS2/SnS heterostructure would turn into catalytic active sites. As a result, constructing heterostructure of MoS2 with...
Thermoelectric generators have attracted a wide research interest owing to their ability to directly convert heat into electrical power. Moreover, the ther
In contrast to the top-down approaches, the bottom-up routes of 2DQDs are based on small organic or inorganic precursors, such as reactive atoms and molecules that produce more complex structures. Because they are versatile and highly customizable, they provide greater control of structural dimensio...
The lone-pair electrons in nitrides have an advantage while using them as SERS substrates. A hexagonal lattice made up of boron and nitrogen atoms makes up the equivalent of graphene, known as hexagonal boron nitride (h-BN). Boron nitride possesses a dipole-coupled Raman amplification mechanism,...
Related What Forms When Two or More Atoms Combine? Updated April 24, 2017 By Steve Brunolli All atoms are made up of a positively charged nucleus surrounded by negatively charged electrons. The outermost electrons -- the valence electrons -- are able to interact with other atoms, and, depen...