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This is a Experimental Study study.

October 16, 2025Open Access

Evidence of competing ground states between fractional Chern insulator and antiferromagnetism in moir\'e MoTe2

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Authors

XCXumin ChangShanghai Jiao Tong University FLFeng LiuShanghai Jiao Tong University FXFan XuShanghai Jiao Tong University

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Implication

This analysis reveals the impact of twist angle and electric field on magnetic ground states in moiré materials, indicating a complex interplay of quantum phases.

Key Points

Unexpected competing magnetic ground states appear in tMoTe2, demonstrating significant phase transitions influenced by twist angles.
Antiferromagnetic orders are observed with zero Hall resistance at v_h=1 and 2/3, particularly at intermediate twist angles around 3 degrees.
Applying a vertical electric field suppresses AFM orders, revealing emergent ferromagnetism accompanying Chern insulator states.
tMoTe2 showcases potential for advanced spin-valleytronic devices due to its unique correlated phases and tunable properties.

Cite This Study

Chang et al. (2025) studied this question.

synapsesocial.com/papers/68f147cc724575985c3fd086 https://doi.org/10.48550/arxiv.2503.13213

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Implication

This analysis reveals the impact of twist angle and electric field on magnetic ground states in moiré materials, indicating a complex interplay of quantum phases.

Evidence of competing ground states between fractional Chern insulator and antiferromagnetism in moir\'e MoTe2

Discussion

Member takes

Implication

Key Points

Cite This Study

Evidence of competing ground states between fractional Chern insulator and antiferromagnetism in moir\'e MoTe2

Discussion

Member takes

Implication

Key Points

Cite This Study

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