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Controlling the magnetic ground state in Cr1-x Vx films
O Krupin1, Eli Rotenberg, S D Kevan
16-2100, Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
Abstract:
We demonstrate the ability to control the magnetic phase diagram of Cr1-x Vx(110) thin films grown on a W(110) substrate. Using angle-resolved photoemission, we have mapped paramagnetic and commensurate and incommensurate antiferromagnetic phases as a function of temperature, film thickness, and composition. We show that surface-localized electron states play a key role in the observed phase behaviors and suggest from this that it might be possible to control the magnetic phase by applying an external electric field.
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