Room-Temperature Magnetic Order in Air-Stable Ultrathin Iron Oxide

Jiangtan Yuan; Andrew Balk; Hua Guo; Qiyi Fang; Sahil Patel; Xuanhan Zhao; Tanguy Terlier; Douglas Natelson; Scott Crooker; Jun Lou

doi:10.1021/acs.nanolett.9b00905

Room-Temperature Magnetic Order in Air-Stable Ultrathin Iron Oxide

Jiangtan Yuan
, Andrew Balk
, Hua Guo
, Qiyi Fang
, Sahil Patel
, Xuanhan Zhao
, Tanguy Terlier
, Douglas Natelson
, Scott Crooker
, Jun Lou

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

54 Citations (Scopus)

Abstract

Manual assembly of atomically thin materials into heterostructures with desirable electronic properties is an approach that holds great promise. Despite the rapid expansion of the family of ultrathin materials, stackable and stable ferro/ferri magnets that are functional at room temperature are still out of reach. We report the growth of air-stable, transferable ultrathin iron oxide crystals that exhibit magnetic order at room temperature. These crystals require no passivation and can be prepared by scalable and cost-effective chemical vapor deposition. We demonstrate that the bonding between iron oxide and its growth substrate is van der Waals-like, enabling us to remove the crystals from their growth substrate and prepare iron oxide/graphene heterostructures. © 2019 American Chemical Society.

Original language	English
Pages (from-to)	3777-3781
Journal	Nano Letters
Volume	19
Issue number	6
DOIs	https://doi.org/10.1021/acs.nanolett.9b00905
Publication status	Published - 12 Jun 2019
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

The CVD growth, Raman, and AFM characterization of Fe2O3 was supported by the Welch Foundation (C-1716). TEM characterization was supported by a DOE BES grant (DESC0018193). MOKE measurements at the NHMFL were supported by the National Science Foundation DMR-1644779. Device fabrication and transport measurements were funded by Rice IDEA support and National Science Foundation DMR-1704264. Notes The authors declare no competing financial interest.

Research Keywords

Iron oxide
room-temperature magnetism
ultrathin
van der Waals heterostructure

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abstract = "Manual assembly of atomically thin materials into heterostructures with desirable electronic properties is an approach that holds great promise. Despite the rapid expansion of the family of ultrathin materials, stackable and stable ferro/ferri magnets that are functional at room temperature are still out of reach. We report the growth of air-stable, transferable ultrathin iron oxide crystals that exhibit magnetic order at room temperature. These crystals require no passivation and can be prepared by scalable and cost-effective chemical vapor deposition. We demonstrate that the bonding between iron oxide and its growth substrate is van der Waals-like, enabling us to remove the crystals from their growth substrate and prepare iron oxide/graphene heterostructures. {\textcopyright} 2019 American Chemical Society.",

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AU - Yuan, Jiangtan

AU - Balk, Andrew

AU - Guo, Hua

AU - Fang, Qiyi

AU - Patel, Sahil

AU - Zhao, Xuanhan

AU - Terlier, Tanguy

AU - Natelson, Douglas

AU - Crooker, Scott

AU - Lou, Jun

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

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N2 - Manual assembly of atomically thin materials into heterostructures with desirable electronic properties is an approach that holds great promise. Despite the rapid expansion of the family of ultrathin materials, stackable and stable ferro/ferri magnets that are functional at room temperature are still out of reach. We report the growth of air-stable, transferable ultrathin iron oxide crystals that exhibit magnetic order at room temperature. These crystals require no passivation and can be prepared by scalable and cost-effective chemical vapor deposition. We demonstrate that the bonding between iron oxide and its growth substrate is van der Waals-like, enabling us to remove the crystals from their growth substrate and prepare iron oxide/graphene heterostructures. © 2019 American Chemical Society.

AB - Manual assembly of atomically thin materials into heterostructures with desirable electronic properties is an approach that holds great promise. Despite the rapid expansion of the family of ultrathin materials, stackable and stable ferro/ferri magnets that are functional at room temperature are still out of reach. We report the growth of air-stable, transferable ultrathin iron oxide crystals that exhibit magnetic order at room temperature. These crystals require no passivation and can be prepared by scalable and cost-effective chemical vapor deposition. We demonstrate that the bonding between iron oxide and its growth substrate is van der Waals-like, enabling us to remove the crystals from their growth substrate and prepare iron oxide/graphene heterostructures. © 2019 American Chemical Society.

KW - Iron oxide

KW - room-temperature magnetism

KW - ultrathin

KW - van der Waals heterostructure

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DO - 10.1021/acs.nanolett.9b00905

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SN - 1530-6984

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JO - Nano Letters

JF - Nano Letters

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Room-Temperature Magnetic Order in Air-Stable Ultrathin Iron Oxide

Abstract

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