Studies of KCrTe <sub>2</sub> and Its Conversion to Easy‐Peel 1T‐CrTe <sub>2</sub>

Two-dimensional ferromagnets are highly attractive for spintronic applications and chromium-telluride compounds form one of the most diverse families in this field. While the layered 1T-CrTe<sub>2</sub> has been studied extensively for its high Curie temperature, strong anisotropy, and large magnetic moments, its parent compound KCrTe<sub>2</sub> has received almost no systematic attention. Large crystals of KCrTe<sub>2</sub> were grown by solid-state methods. Large 1T-CrTe<sub>2</sub> crystals were obtained via deintercalation of K from KCrTe<sub>2</sub>. KCrTe<sub>2</sub> exhibited an antiferromagnetic transition around 87 K, which resides between LiCrTe<sub>2</sub> and NaCrTe<sub>2</sub>. The chemical process from KCrTe<sub>2</sub> to 1T-CrTe<sub>2</sub> was studied by static studies. The complete removal of K within KCrTe<sub>2</sub> helps make 1T-CrTe<sub>2</sub> easy fabrication of large thin flakes (the easy-peel 1T-CrTe<sub>2</sub>), which were studied using ferromagnetic resonance spectroscopy (FMR). FMR was employed to study the magnetization dynamics of 1T-CrTe<sub>2</sub> crystals, which verified that 1T-CrTe<sub>2</sub> crystals exhibited ferromagnetic response at room temperature.

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Journal
ChemPhysChem
Published
2026-03-13
DOI
https://doi.org/10.1002/cphc.202500759
Primary Topic
2D Materials and Applications
Type
article
Field-Weighted Citation Impact
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article

Studies of KCrTe 2 and Its Conversion to Easy‐Peel 1T‐CrTe 2

Prem Bahadur Karki, Dinesh Upreti, Kapildeb Ambal, Karishma Prasad et al.
ChemPhysChem
2D Materials and Applications
article

Studies of KCrTe 2 and Its Conversion to Easy‐Peel 1T‐CrTe 2

Prem Bahadur Karki, Dinesh Upreti, Kapildeb Ambal, Karishma Prasad, Jian Wang, Jin Hu, Zane Hubble
article en

Abstract

Two-dimensional ferromagnets are highly attractive for spintronic applications and chromium-telluride compounds form one of the most diverse families in this field. While the layered 1T-CrTe<sub>2</sub> has been studied extensively for its high Curie temperature, strong anisotropy, and large magnetic moments, its parent compound KCrTe<sub>2</sub> has received almost no systematic attention. Large crystals of KCrTe<sub>2</sub> were grown by solid-state methods. Large 1T-CrTe<sub>2</sub> crystals were obtained via deintercalation of K from KCrTe<sub>2</sub>. KCrTe<sub>2</sub> exhibited an antiferromagnetic transition around 87 K, which resides between LiCrTe<sub>2</sub> and NaCrTe<sub>2</sub>. The chemical process from KCrTe<sub>2</sub> to 1T-CrTe<sub>2</sub> was studied by static studies. The complete removal of K within KCrTe<sub>2</sub> helps make 1T-CrTe<sub>2</sub> easy fabrication of large thin flakes (the easy-peel 1T-CrTe<sub>2</sub>), which were studied using ferromagnetic resonance spectroscopy (FMR). FMR was employed to study the magnetization dynamics of 1T-CrTe<sub>2</sub> crystals, which verified that 1T-CrTe<sub>2</sub> crystals exhibited ferromagnetic response at room temperature.

ChemPhysChemVol. 27(5)
Wichita State University (US), University of Arkansas at Fayetteville (US)
Openalex Percentile: Top 24%
2D Materials and Applications
DOISourceOpenAlex
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