Editing Pyrite (section)

==Research==
In July 2020 scientists reported that they have observed a voltage-induced transformation of normally [[diamagnetic]] pyrite into a [[ferromagnetic]] material, which may lead to applications in devices such as solar cells or magnetic data storage.<ref>{{cite news |title='Fool's gold' may be valuable after all |url=https://phys.org/news/2020-07-gold-valuable.html |access-date=17 August 2020 |work=phys.org |language=en}}</ref><ref>{{cite journal |last1=Walter |first1=Jeff |last2=Voigt |first2=Bryan |last3=Day-Roberts |first3=Ezra |last4=Heltemes |first4=Kei |last5=Fernandes |first5=Rafael M. |last6=Birol |first6=Turan |last7=Leighton |first7=Chris |title=Voltage-induced ferromagnetism in a diamagnet |journal=Science Advances |date=1 July 2020 |volume=6 |issue=31 |pages=eabb7721 |doi=10.1126/sciadv.abb7721 |pmid=32832693 |pmc=7439324 |bibcode=2020SciA....6.7721W |language=en |issn=2375-2548|doi-access=free }}</ref>

Researchers at [[Trinity College Dublin]], Ireland have demonstrated that FeS<sub>2</sub> can be exfoliated into few-layers just like other two-dimensional layered materials such as graphene by a simple liquid-phase exfoliation route. This is the first study to demonstrate the production of non-layered 2D-platelets from 3D bulk FeS<sub>2</sub>. Furthermore, they have used these 2D-platelets with 20% single walled carbon-nanotube as an anode material in lithium-ion batteries, reaching a capacity of 1000 mAh/g close to the theoretical capacity of FeS<sub>2</sub>.<ref>{{cite journal |last1=Kaur |first1=Harneet |last2=Tian |first2=Ruiyuan |last3=Roy |first3=Ahin |last4=McCrystall |first4=Mark |last5=Horváth |first5=Dominik V. |last6=Onrubia |first6=Guillermo L. |last7=Smith |first7=Ross |last8=Ruether |first8=Manuel |last9=Griffin |first9=Aideen |last10=Backes |first10=Claudia |last11=Nicolosi |first11=Valeria |last12=Coleman |first12=Jonathan N. |title=Production of Quasi-2D Platelets of Non-Layered Iron Pyrite (FeS<sub>2</sub>) by Liquid-Phase Exfoliation for High Performance Battery Electrodes |journal=ACS Nano |date=22 September 2020 |volume=14 |issue=10 |pages=13418–13432 |doi=10.1021/acsnano.0c05292 |pmid=32960568 |url=https://pubs.acs.org/doi/10.1021/acsnano.0c05292|hdl=2262/93605 |s2cid=221864018 |hdl-access=free }}</ref>

In 2021, a natural pyrite stone has been crushed and pre-treated followed by liquid-phase exfoliation into two-dimensional nanosheets, which has shown capacities of 1200 mAh/g as an anode in lithium-ion batteries.<ref>{{cite journal |last1=Kaur |first1=Harneet |last2=Tian |first2=Ruiyuan |last3=Roy |first3=Ahin |last4=McCrystall |first4=Mark |last5=Smith |first5=Ross |last6=Horváth |first6=Dominik V. |last7=Nicolosi |first7=Valeria |last8=Coleman |first8=Jonathan N. |title=2D nanosheets from fool's gold by LPE:High performance lithium-ion battery anodes made from stone |journal=FlatChem |date=November 2021 |volume=30 |issue=10 |pages=13418–13432 |doi=10.1016/j.flatc.2021.100295|hdl=2262/98387 |s2cid=243657098 |hdl-access=free }}</ref>