Colloquium: A critique on van der Waals and two-dimensional magnets
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866912782823194624 |
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| author | Coraux, Johann Rougemaille, Nicolas Robert, Cedric Faugeras, Clément Saul, Andrès Grémaud, Benoît Hueso, Luis Casanova, Félix Manchon, Aurélien |
| author_facet | Coraux, Johann Rougemaille, Nicolas Robert, Cedric Faugeras, Clément Saul, Andrès Grémaud, Benoît Hueso, Luis Casanova, Félix Manchon, Aurélien |
| contents | Magnetic two-dimensional (2D) crystals were isolated about a decade ago, triggering a tremendous research activity worldwide. This colloquium raises a stiff question: what is really new about them? At first sight, they seem to be purer implementations of 2D spin models than traditional systems such as ultra-thin films. Yet, they partly realized their promises so far, and whether they give fresh perspectives on long-standing predictions in statistical physics is still an open question. Undoubtedly, they are uniquely amenable to electric-field effect, susceptible to mechanical deformation, and sensitive to moirés, for example. They represent interesting platforms for exploring, challenging, or simply revisiting a wide range of phenomena in condensed matter magnetism. This colloquium intends to offer a critical, yet not necessarily skeptical, overview of the field, clarifying what we believe could be unique with 2D magnets, related quasi-2D van der Waals magnets, and their heterostructures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_19417 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Colloquium: A critique on van der Waals and two-dimensional magnets Coraux, Johann Rougemaille, Nicolas Robert, Cedric Faugeras, Clément Saul, Andrès Grémaud, Benoît Hueso, Luis Casanova, Félix Manchon, Aurélien Materials Science Magnetic two-dimensional (2D) crystals were isolated about a decade ago, triggering a tremendous research activity worldwide. This colloquium raises a stiff question: what is really new about them? At first sight, they seem to be purer implementations of 2D spin models than traditional systems such as ultra-thin films. Yet, they partly realized their promises so far, and whether they give fresh perspectives on long-standing predictions in statistical physics is still an open question. Undoubtedly, they are uniquely amenable to electric-field effect, susceptible to mechanical deformation, and sensitive to moirés, for example. They represent interesting platforms for exploring, challenging, or simply revisiting a wide range of phenomena in condensed matter magnetism. This colloquium intends to offer a critical, yet not necessarily skeptical, overview of the field, clarifying what we believe could be unique with 2D magnets, related quasi-2D van der Waals magnets, and their heterostructures. |
| title | Colloquium: A critique on van der Waals and two-dimensional magnets |
| topic | Materials Science |
| url | https://arxiv.org/abs/2512.19417 |