We use a custom shear cell coupled to an optical microscope to investigate at the particle level the yielding transition in concentrated emulsions subjected to an oscillatory shear deformation. By performing experiments lasting thousands of cycles on samples at several volume fractions and for a variety of applied strain amplitudes, we obtain a comprehensive, microscopic picture of the yielding...

Monolayers of transition metal dichalcogenides can exist in several structural polymorphs, including 2H, 1T and 1T'. The low-symmetry 1T' phase has three orientation variants, resulting from the three equivalent directions of Peierls distortion in the parental 1T phase. Using first-principles calculations, we predict that mechanical strain can switch the relative thermodynamic stability between...

First-principles calculations are performed to investigate the structures, electrical, and magnetic properties of compressive BiFeO3 films under electric-field and pressure perpendicular to the films. A reversible electric-field-induced strain up 10% is achieved in the compressive BiFeO3 films. The giant strain originates from rhombohedral-tetragonal (R-T) phase transition under electric-filed,...

Artificial monolayer black phosphorus, so-called phosphorene, has attracted global interest with its distinguished anisotropic, optoelectronic, and electronic properties. Here, we unraveled the shear-induced direct-to-indirect gap transition and anisotropy diminution in phosphorene based on first-principles calculations. Lattice dynamic analysis demonstrates that phosphorene can sustain up to 1...

   We have investigated the electronic and optical properties of AlN hexagonal nanosheets under different kinds of strains, using the band structure results obtained through the full potential linearized augmented plane wave method within the density functional theory. The results show that 10% uniaxial strain along the zig-zag direction induces an indirect to direct band-gap transition. Th...

Articles you may be interested in Role of strain on electronic and mechanical response of semiconducting transition-metal dichalcogenide monolayers: An ab-initio study Electronic and thermoelectric properties of few-layer transition metal dichalcogenides Computational study on electrical properties of transition metal dichalcogenide field-effect transistors with strained channel Band alignment ...

Purpose of the work is related with impossibility correctly estimating strain hardening metals (alloys) in area their large total deformations due to absence additivity traditionally used value engineering g, its nonlinear change values, and data technical literature Hall-Petch coefficient Ai for logarithmic true deformations, which led task correct transition from values 0 < g 50...60 % str...

The effect of strain on the resistivity and thermopower of ferromagnetic manganites has been examined based on the model that incorporates the electron-lattice interaction through the Jahn-Teller effect and an effective hopping determined by nearest neighbour spin-spin correlation of t2g electrons.The metal insulator transition temperature associated with resistivity decreases with increase in ...

An extensive literature covering the last 50 years has shown that all structural and bridge steels are potentially susceptible to strain aging. The most damage is done by cold strain itself. Strains in the 5% to 18% range can typically increase yield strength by 70% and typically increase tensile strength by 35%. Over the same strain range, tensile elongation will typically decrease by 30%. The...