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Creators/Authors contains: "Dayal, Pavan"

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  1. ; ; (, SciPost Physics Core)
    Cuprates are promising candidates for study in developing highertemperature superconductors. A thorough understanding of a material’sphonon modes enables further investigation of its emergent properties,however, no complete reference of the phonon modes exists. Here, usingdensity functional theory, we evaluate the phonon frequencies and atomicdisplacements for La2CuO4,Bi2Sr2CuO6,and Bi2Sr2CaCu2O8,in their tetragonal structures. The phonon modes for all materials agreewith those expected from space group symmetry and display instabilitiescorresponding to known low-temperature structural phase transitions. 
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