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• W4386861320 abstract "Materials hosting intrinsic room-temperature ferromagnetism have significant application in spintronics. In this context, the transition metal sulfide chromium telluride (${mathrm{Cr}}_{x}{mathrm{Te}}_{y}$) has sparked significant attention due to its room-temperature ferromagnetism, as well as high magnetic anisotropy, easy tunability, and air stability. This study carefully examines the magnetic characteristics of an intrinsic room-temperature ferromagnetic ${mathrm{Cr}}_{3}{mathrm{Te}}_{4}$ single crystal. Magnetization measurements identify a paramagnetic-to-ferromagnetic (PM-FM) phase transition at ${T}_{C}ensuremath{sim}322$ K and high magnetic anisotropy. Meanwhile, a coexistence of ferromagnetism and antiferromagnetism is unveiled below ${T}_{N}ensuremath{sim}90$ K. A systematic investigation of magnetization isotherms collected near ${T}_{C}$ provides the asymptotic critical exponents $ensuremath{beta}=0.365(5), ensuremath{gamma}=1.212(9), ensuremath{delta}=4.580(4)$ for $H//ab$, and $ensuremath{beta}=0.370(3), ensuremath{gamma}=1.329(1), ensuremath{delta}=4.554(9)$ for $H//c$. The obtained critical exponents for $H//ab$ and $H//c$ suggest strong anisotropic and multiple magnetic interactions in ${mathrm{Cr}}_{3}{mathrm{Te}}_{4}$. The comprehensive $Hensuremath{-}T$ phase diagrams for $H//ab$ and $H//c$ are constructed using universal scaling and detailed magnetization, revealing strong field-dependent anisotropic room-temperature ferromagnetism and coexistence of ferromagnetism, antiferromagnetism, and noncollinear ferromagnetism. The multiple phases demonstrate that the magnetic couplings in ${mathrm{Cr}}_{3}{mathrm{Te}}_{4}$ are mediated by intralayer super exchange, interlayer double exchange, and direct exchange." @default.
• W4386861320 created "2023-09-20" @default.
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• W4386861320 date "2023-09-19" @default.
• W4386861320 modified "2023-10-17" @default.
• W4386861320 title "Field-dependent anisotropic room-temperature ferromagnetism in <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:msub><mml:mi>Cr</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>Te</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>" @default.
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• W4386861320 doi "https://doi.org/10.1103/physrevb.108.094429" @default.
• W4386861320 hasPublicationYear "2023" @default.
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