What is recorded here?
Kerr microscopy of thin Cr₂Ge₂Te₆ flakes revealed a strong thickness and magnetic-field dependence of the magnetic response. Measurements reached bilayer thickness; six-layer samples showed a small remanent Kerr signal, and the characteristic temperature inferred from bilayer response increased from about 28 K to 44 K as the applied field increased from 0.065 T to 0.3 T.
Source-linked catalogue note. A detailed explanatory guide has not yet been prepared for this entry.
Scientific scope
The authors explicitly call the finite-field temperature a crossover between ferromagnetic-like and paramagnetic-like behavior; it is not automatically a zero-field thermodynamic critical temperature. Monolayers degraded and were not experimentally characterized, and bilayer and trilayer remanence was below their detection limit. The spin-wave interpretation uses approximate, rescaled exchange parameters.
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People and systems
Cheng Gong; Lin Li; Zhenglu Li; Huiwen Ji; Alex Stern; Yang Xia; Ting Cao; Wei Bao; Chenzhe Wang; Yuan Wang; Z. Q. Qiu; R. J. Cava; Steven G. Louie; Jing Xia; Xiang Zhang
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English catalogue narrative
Field-sensitive magnetism in few-layer Cr₂Ge₂Te₆
Kerr microscopy of thin Cr₂Ge₂Te₆ flakes revealed a strong thickness and magnetic-field dependence of the magnetic response. Measurements reached bilayer thickness; six-layer samples showed a small remanent Kerr signal, and the characteristic temperature inferred from bilayer response increased from about 28 K to 44 K as the applied field increased from 0.065 T to 0.3 T.
Scientific scope
The authors explicitly call the finite-field temperature a crossover between ferromagnetic-like and paramagnetic-like behavior; it is not automatically a zero-field thermodynamic critical temperature. Monolayers degraded and were not experimentally characterized, and bilayer and trilayer remanence was below their detection limit. The spin-wave interpretation uses approximate, rescaled exchange parameters.
Reading status
This is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.
People and systems
Cheng Gong; Lin Li; Zhenglu Li; Huiwen Ji; Alex Stern; Yang Xia; Ting Cao; Wei Bao; Chenzhe Wang; Yuan Wang; Z. Q. Qiu; R. J. Cava; Steven G. Louie; Jing Xia; Xiang Zhang
These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.