Frustrated magnet for adiabatic demagnetization cooling to milli-Kelvin temperatures

Adiabatic demagnetization refrigeration is an efficient technique for reaching mK temperatures. Here, the water-free frustrated magnet KBaYb $${({{\rm{BO}}}_{3})}_{2}$$ ( BO 3 ) 2 is shown to combine cooling efficiency with stability upon exposure to air, vacuum, and heating, providing an alternativ...

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Autores principales: Yoshifumi Tokiwa, Sebastian Bachus, Kavita Kavita, Anton Jesche, Alexander A. Tsirlin, Philipp Gegenwart
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/b87a1088f3b1442bb67c784b0467d927
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Sumario:Adiabatic demagnetization refrigeration is an efficient technique for reaching mK temperatures. Here, the water-free frustrated magnet KBaYb $${({{\rm{BO}}}_{3})}_{2}$$ ( BO 3 ) 2 is shown to combine cooling efficiency with stability upon exposure to air, vacuum, and heating, providing an alternative to the commonly used water-rich paramagnetic salts.