Mumbai: Researchers at the Institute of Nano Science and Technology (INST), Mohali, have developed cholesterol-based nanomaterials that could serve as novel platforms for quantum technologies and spintronic applications. The work, led by Dr Amit Kumar Mondal and supported by the Department of Science and Technology (DST), demonstrates how a biomolecule typically associated with cardiovascular risk can be repurposed to manipulate electron spin, a quantum property central to next-generation electronics.
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Dr Amit Kumar Mondal with his team (Pic Courtesy: PIB) |
Spintronics, short
for spin-based electronics, is a field that promises energy-efficient
alternatives to conventional semiconductor technologies. Materials that can
separate and guide electron spins with high fidelity are essential for
developing memory devices, sensors, and quantum computing components. The INST
team’s findings, published in Chemistry of Materials, show that
cholesterol-based systems offer a chemically tunable route to spin control,
potentially reducing the complexity and cost of device fabrication.
The research also
underscores the broader potential of biomaterials in quantum applications.
Unlike synthetic polymers or inorganic substrates, cholesterol offers a
biologically derived, structurally versatile platform that can be modified with
relative ease. This opens up possibilities for integrating spintronic functions
into bioelectronic devices, where compatibility with living systems is a key
requirement.
While the study
remains at the materials development stage, its implications are far-reaching.
The ability to engineer spin-selective pathways using simple chemical modifications
could accelerate the deployment of spin-based components in commercial
technologies. Moreover, the use of cholesterol, a widely available and
well-characterised molecule, may simplify regulatory and manufacturing hurdles
associated with novel quantum materials.
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Visualising spintronics: Cholesterol-based nanomaterials guide electron spin with chemical precision |
The work reflects a
growing interest in interdisciplinary approaches to quantum engineering, where
insights from chemistry, biology, and materials science converge to address
longstanding challenges in electronics. As quantum technologies move from
theoretical constructs to practical systems, innovations like these will be
critical in shaping their scalability and sustainability.