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ad, ARPES for Bi2Te3 with 6% Mn, above and below the Curie temperature (TC) of around 10 K.

New paper has been published in Nature

In the paper, co-authored by Valentyn Volobuev, MagTop member, the authors use low temperature photoelectron spectroscopy to unambiguously reveal the magnetic gap of Mn-doped Bi2Te3, which displays ferromagnetic out-of-plane spin texture and opens up only below TC. Surprisingly, their analysis reveals large gap sizes at 1 kelvin of up to 90 millielectronvolts, which is five times larger than theoretically predicted.

Nature 576, 423 (2019)

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