Fig. 4: The spin-lattice relaxation time, T1, for the two orientations of the magnetic field (red triangles: B∥, blue dots: B⊥) in graphite as a function of temperature. | Nature Communications

Fig. 4: The spin-lattice relaxation time, T1, for the two orientations of the magnetic field (red triangles: B∥, blue dots: B⊥) in graphite as a function of temperature.

From: Ultralong 100 ns spin relaxation time in graphite at room temperature

Fig. 4: The spin-lattice relaxation time, T1, for the two orientations of the magnetic field (red triangles: B∥, blue dots: B⊥) in graphite as a function of temperature.The alternative text for this image may have been generated using AI.

Note the about 10 times longer T1 when B⊥ as compared to B∥. The inset depicts the expected experimental situation in a spin transport experiment. Dashed line denotes T2 when B⊥, which also confirms the case of extreme anisotropy as it aligns well with the T1 values for B∥, as predicted by Eqs. (4) and (5).

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