title: Piezoreflectance spectra of 1s Z12 exciton in CuBr.
abstract: We have investigated the piezoreflectance spectra (deltaR/R) of the 1s Z12 exciton in single crystals of copper bromide CuBr at the temperature of 95 K with linearly polarized light. The spectra were successively studied with the pressure p along the [001] and [111] axis and the wave vector k of the incident light parallel to the [110] direction. The shear deformation potentials b and d of the 1s Z12 exciton were deduced from the stress-induced shift and splitting. The results are compared with those obtained in other works.
authors.affiliation: Laboratoire de Spectronomie Physique Appliquée, Faculté des Sciences, Rabat, Morocco.
authors.forename: H
authors.initials: H
authors.lastname: Erguig
authors.forename: O
authors.initials: O
authors.lastname: Pages
authors.forename: A
authors.initials: A
authors.lastname: Zaoui
authors.forename: J P
authors.initials: JP
authors.lastname: Laurenti
authors.forename: M
authors.initials: M
authors.lastname: Certier
authors.forename: B
authors.initials: B
authors.lastname: Kabouchi
mesh_terms: D001965:Bromides / Q000737:chemistry*; D003300:Copper / Q000737:chemistry*; D013057:Spectrum Analysis; D013696:Temperature
chemical_list: D001965:Bromides; C408079:cupric bromide; D003300:Copper; C029892:cupric chloride