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Polarized 2D Materials Inspired by Naturally Occurring Phyllosilicates

Project description

2D polarisation electronics based on sustainable phyllosilicates

Despite the growing number of isolated 2D materials, most research has focused on synthetic single crystals. Van der Waals crystals, including phyllosilicates, are a diverse family of non-toxic and abundant 2D minerals found in soils and clays that promise sustainable, biodegradable electronics. Importantly, the field of 2D electronics is dominated by research on hexagonal boron nitride with 2D Van der Waals insulators severely underrepresented. The ERC-funded POL_2D_PHYSICS project aims to address this, exploring the use of phyllosilicates as gate dielectrics, magnetic insulators, and ferroelectric insulators. The project will synthesise single crystals and thin films, advance charge transfer doping, and implement the materials in pioneering multifunctional 2D polarisation electronics.

Objective

Since the last decade, the number of isolated two dimensional (2D) materials keeps growing exponentially. The research community relies predominantly on synthetic single crystals, remaining limited to the variations of only several material classes. Naturally occurring van der Waals (vdW) crystals – 2D minerals – offer wider structural and compositional variety, but remain largely unexplored. Further, developing nanotechnology based on non-toxic and abundant surface minerals found in soils and clays will ensure sustainable, environmentally friendly, and biodegradable electronics.

Recently, the focus of 2D electronics is largely on novel semiconductors, and spontaneously polarized materials. The number of vdW insulators is extremely disproportional to both semiconductors and metals. Almost exclusively the entire field relies on hexagonal boron nitride. Surely, this cannot be the only technologically relevant system, and new members would also open unexplored pathways in device design and functionality.

With my project POL_2D_PHYSICS, I aim to introduce and establish a class of phyllosilicates as a multifunctional 2D materials platform. My project will explore their limits with respect to three applications: as gate dielectrics, as magnetic insulators, and as ferroelectric insulators. Starting from minerals, I will study their structure property relation. To bridge the gap between an interesting concept and a potential future technology, I will develop pathways to synthesize phyllosilicate single crystals and thin films with targeted properties for applications in 2D electronics.

If successful, the project will develop scalable novel concepts in charge transfer doping, and implement the proposed materials class into multifunctional 2D polarization electronics. With high risk goals of delivering novel and air stable multiferroic and neuromorphic systems, POL_2D_PHYSICS has the potential to fundamentally impact the future of 2D electronics.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2022-STG

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Host institution

MONTANUNIVERSITAET LEOBEN
Net EU contribution
€ 1 372 855,00
Address
FRANZ JOSEF STRASSE 18
8700 Leoben
Austria
Region
Südösterreich Steiermark Östliche Obersteiermark
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 1 499 630,00

Beneficiaries (2)