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Cosmic whirls in rust
Credit: R Shetty, K Jani, H Jani

Hariom Jani

Royal Society - University Research Fellow

Research theme

  • Quantum materials

Sub department

  • Condensed Matter Physics

Research groups

  • Oxide electronics
hariom.jani@physics.ox.ac.uk
Clarendon Laboratory, room 276, Level 2
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Computing with rust

Harnessing whirls in iron-oxide

Where’s the very last place you would look if you wanted a new material to make computer memory? The compost heap or the scrap yard, probably. So who came up with the idea of using rust? Singapore’s Hariom Jani did. And he’s here to tell you it’s the futu

Cosmic strings in rust

I am a materials physicist. My research ambition is to find the silicon of tomorrow. To do this, I design emergent phenomena in quantum materials that could be used to realise ultra-fast and energy-efficient functionalities. In the long run, I aim to assemble these functions to build intelligent computing hardware.

My research interfaces the disciplines of quantum materials design, nanomagnetism, spintronics, topological order and X-ray spectromicroscopy. I am interested in building cross-disciplinary solutions to research problems (e.g. energy efficiency in devices).

I am also passionate about making science education fun and engaging by using an experiential pedagogy. I have worked with the Ministry of Education (Singapore) to develop novel tools for science education. I am also an advisor and a volunteer science faculty of the educational non-profit - Raising a Mathematician Foundation. 

Research interests

Quntum Materials
Spintronics
Topological Order
X-ray Spectromicroscopy

Selected publications

Antiferromagnetic half-skyrmions and bimerons at room temperature

Nature Springer Nature 590:7844 (2021) 74-79
Hariom Jani, Jheng-Cyuan Lin, Jiahao Chen, Jack Harrison, Francesco Maccherozzi, Jonathan Schad, Saurav Prakash, Chang-Beom Eom, A Ariando, T Venkatesan, Paolo G Radaelli

Revealing emergent magnetic charge in an antiferromagnet with diamond quantum magnetometry

Nature Materials Springer Nature 23:2 (2023) 205-211
Anthony KC Tan, Hariom Jani, Michael Högen, Lucio Stefan, Claudio Castelnovo, Daniel Braund, Alexandra Geim, Annika Mechnich, Matthew SG Feuer, Helena S Knowles, Ariando Ariando, Paolo G Radaelli, Mete Atatüre

Reversible hydrogen control of antiferromagnetic anisotropy in α-Fe2O3.

Nature communications 12:1 (2021) 1668
Hariom Jani, Jiajun Linghu, Sonu Hooda, Rajesh V Chopdekar, Changjian Li, Ganesh Ji Omar, Saurav Prakash, Yonghua Du, Ping Yang, Agnieszka Banas, Krzysztof Banas, Siddhartha Ghosh, Sunil Ojha, GR Umapathy, Dinakar Kanjilal, A Ariando, Stephen J Pennycook, Elke Arenholz, Paolo G Radaelli, JMD Coey, Yuan Ping Feng, T Venkatesan

Holographic imaging of antiferromagnetic domains with in-situ magnetic field.

Optics express 32:4 (2024) 5885-5897
Jack Harrison, Hariom Jani, Junxiong Hu, Manohar Lal, Jheng-Cyuan Lin, Horia Popescu, Jason Brown, Nicolas Jaouen, A Ariando, Paolo G Radaelli
205393 212449 205380
See all publications

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