Aimantations principales du chlorure et du bromure chromiques

Bizette, H.; Terrier, C.

doi:10.1051/jphysrad:01962002308-9048600

Cited by 12 publications

(9 citation statements)

References 3 publications

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“…[16] by means of specific heat as well as static and dynamic magnetization measurements. These are consistent with the findings reported in previous studies [11,26,28], in particular, they confirm the presence of two successive magnetic phase transitions mentioned in the previous section. This does not only demonstrate the high quality of the used CrCl 3 crystals but also ensures the comparability of the magnetic properties reported in this work and in the literature [11,23,26,28].…”

Section: Samples and Experimental Methodssupporting

confidence: 93%

“…For H c this trend is reversed yielding a positive resonance shift. Thus, based on the qualitative behavior of the temperature-dependent resonance shift, it can be concluded that the experimentally observable (effective) magnetic easy direction lies within the ab plane which is in agreement with the proposed spin structure [10] and previous magnetization measurements [11,16,26]. Moreover, the δH(T ) curves obtained for H c and H ⊥ c are asymmetric with respect to the δH = 0 line of an ideal paramagnet, see Fig.…”

Section: A Temperature Dependencesupporting

confidence: 88%

“…The g factors derived in this work from frequency-dependent measurements are, moreover, consistent with the saturation magnetization of about 3 µ B /Cr which was experimentally observed [11,16] and is theoretically expected for spins S = 3/2 and a g factor of 2. These observations already suggest that spinorbit coupling and, consequently, the intrinsic magnetocrystalline anisotropies are very weak (or even negligible) in CrCl 3 , as it was also mentioned in the literature [11,16,26]. FIG.…”

Section: B Frequency Dependencesupporting

confidence: 72%

“…Basic magnetic properties of bulk CrCl 3 crystals have been reported in the past decades, see, e.g., Refs. [11,16,[24][25][26][27][28]. In particular, a two-step transition into a magnetically long-range ordered state was observed [11,16,28].…”

Section: Introductionmentioning

confidence: 99%

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Electron spin resonance and ferromagnetic resonance spectroscopy in the high-field phase of the van der Waals magnet CrCl$_3$

Zeisner,

Mehlawat,

Alfonsov

et al. 2020

Preprint

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We report a comprehensive high-field/high-frequency electron spin resonance (ESR) study on single crystals of the van der Waals magnet CrCl3. This material, although being known for quite a while, has received recent significant attention in a context of the use of van der Waals magnets in novel spintronic devices. Temperature-dependent measurements of the resonance fields were performed between 4 and 175 K and with the external magnetic field applied parallel and perpendicular to the honeycomb planes of the crystal structure. These investigations reveal that the resonance line shifts from the paramagnetic resonance position already at temperatures well above the transition into a magnetically ordered state. Thereby the existence of ferromagnetic short-range correlations above the transition is established and the intrinsically two-dimensional nature of the magnetism in the title compound is proven. To study details of the magnetic anisotropies in the field-induced effectively ferromagnetic state at low temperatures, frequency-dependent ferromagnetic resonance (FMR) measurements were conducted at 4 K. The observed anisotropy between the two magneticfield orientations is analyzed by means of numerical simulations based on a phenomenological theory of FMR. These simulations are in excellent agreement with measured data if the shape anisotropy of the studied crystal is taken into account, while the magnetocrystalline anisotropy is found to be negligible in CrCl3. The absence of a significant intrinsic anisotropy thus renders this material as a practically ideal isotropic Heisenberg magnet.

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Section: Samples and Experimental Methodssupporting

confidence: 93%

Section: A Temperature Dependencesupporting

confidence: 88%

Section: B Frequency Dependencesupporting

confidence: 72%

Section: Introductionmentioning

confidence: 99%

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Electron spin resonance and ferromagnetic resonance spectroscopy in the high-field phase of the van der Waals magnet CrCl$_3$

Zeisner,

Mehlawat,

Alfonsov

et al. 2020

Preprint

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“…Chromium tri fluoride shows a specific heat anomaly at 69·8°Κ and this appears to be associated with a magnetic transition (Hansen and Griffel, 1958). Below them the magnetic behaviour has been described as ferro magnetic by some (Leech and Manuel, 1956b), and antiferromagnetic by others (Bizette and Terrier, 1962;Cable et al, 1961). Above these temperatures the compounds obey the Curie-Weiss law.…”

Section: (Ii) Halidementioning

confidence: 98%

Halide Chemistry of Chromium, Molybdenum and Tungsten

Fergusson

1967

Halogen Chemistry

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Magnetic Ordering in CrCl3 at the Phase Transition

Kuhlow

1982

phys. stat. sol. (a)

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The Faraday‐rotation of CrCl3 crystals is investigated in the temperature range from 7 to 23.5 K and in fields up to 320 kA/m. The magnetic ordering sets in at T = 16.8 K whereas the maximum of the susceptibility is observed at T = (15.5 ± 0.2) K. Consequently during cooling first a twodimensional ferromagnetic ordering at Tc = 16.8 K occurs in the hexagonal layers of the crystal, and the antiferromagnetic ordering between the layers appears at a somewhat lower temperature at TN = (15.5 ± 0.2) K. A spin‐flop is found in the antiferromagnetic state. It shows that CrCl3 is not a metamagnet as often assumed. The flop‐field is Hsf = (13.0 ± 0.5) kA/m at T = 7 K, corresponding to an anisotropy field of 780 A/m in the layer plane.

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Aimantations principales du chlorure et du bromure chromiques

Cited by 12 publications

References 3 publications

Electron spin resonance and ferromagnetic resonance spectroscopy in the high-field phase of the van der Waals magnet CrCl$_3$

Electron spin resonance and ferromagnetic resonance spectroscopy in the high-field phase of the van der Waals magnet CrCl$_3$

Halide Chemistry of Chromium, Molybdenum and Tungsten

Magnetic Ordering in CrCl3 at the Phase Transition

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