title: Laser-induced shift of the Morin point in antiferromagnetic DyFeO(3).
abstract: Imaging domain structure of antiferromagnetic DyFeO(3) reveals that intense laser excitation can control the temperature of the Morin transition from collinear to non-collinear spin state. Excitation of the antiferromagnet with femtosecond laser pulses with the central wavelength of 800 nm leads to a shift of the transition temperature over 1 K to higher values as if the light effectively cools the irradiated area down. It is suggested that the optical control of the Morin point can be a result of photo-ionization of Dy(3+) ions.
authors.forename: D
authors.initials: D
authors.lastname: Afanasiev
authors.forename: A K
authors.initials: AK
authors.lastname: Zvezdin
authors.forename: A V
authors.initials: AV
authors.lastname: Kimel