Scientific Achievement: Hidden spin fluctuations in a room-temperature ferromagnet consistent with three-dimensional spin interactions were unveiled by NV magnetometry and relaxometry.
Significance and Impact: The power-law scaling observed in the magnetic texture of Sr2FeReO6 provides new opportunities to understand how local spin-fluctuations become correlated near quantum and classical phase transitions.
DOI: 10.1021/acs.nanolett.4c05401
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