Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Yuhong Cao; Zekun Hu; Jason Lynch; Bongjun Choi; Kyung Min Yang; Hyunmin Cho; Chloe Leblanc; Chen Chen; Joan M. Redwing; Deep Jariwala

doi:10.48550/arxiv.2602.14230

Research paper

Experimental CharacterizationTheoretical

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Yuhong Cao, Zekun Hu, Jason Lynch, Bongjun Choi et al.

2025·arXiv:2602.14230

Research paper

Experimental CharacterizationTheoretical

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Yuhong Cao, Zekun Hu, Jason Lynch, Bongjun Choi et al.

2025·arXiv:2602.14230

Research paper

Experimental CharacterizationTheoretical

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Yuhong Cao, Zekun Hu, Jason Lynch, Bongjun Choi et al.

2025·arXiv:2602.14230

Research paper

Experimental CharacterizationTheoretical

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Yuhong Cao, Zekun Hu, Jason Lynch, Bongjun Choi et al.

2025·arXiv:2602.14230

Research paper

Experimental CharacterizationTheoretical

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Yuhong Cao, Zekun Hu, Jason Lynch, Bongjun Choi et al.

2025·arXiv:2602.14230

Research paper

Experimental CharacterizationTheoretical

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Yuhong Cao, Zekun Hu, Jason Lynch, Bongjun Choi et al.

2025·arXiv:2602.14230

Research paper

Experimental CharacterizationTheoretical

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Yuhong Cao, Zekun Hu, Jason Lynch, Bongjun Choi et al.

2025·arXiv:2602.14230

Research paper

Experimental CharacterizationTheoretical

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Yuhong Cao, Zekun Hu, Jason Lynch, Bongjun Choi et al.

2025·arXiv:2602.14230

Mechanical-exfoliated monolayer WS₂ transferred onto a patterned, locally poled AlScN ferroelectric film on an Al(111)/sapphire substrate; the device includes Al electrodes used for poling and Au alignment markers.

3 preparations9 characterizations8 properties7 figures

ExperimentalWS₂Studied MaterialAlScNStudied MaterialAl₂O₃Substrate / DielectricAlCapping Or ContactAuCapping Or Contact

Reference WS₂ device region on SiO₂/Si used for comparison in the asymmetric screening discussion and carrier-density analysis.

3 characterizations2 figures

ExperimentalWS₂Studied MaterialSiO₂Substrate / DielectricSiSubstrate / Dielectric

Mechanical-exfoliated monolayer WS₂ transferred onto a patterned, locally poled AlScN ferroelectric film on an Al(111)/sapphire substrate; the device includes Al electrodes used for poling and Au alignment markers.

3 preparations9 characterizations8 properties7 figures

ExperimentalWS₂Studied MaterialAlScNStudied MaterialAl₂O₃Substrate / DielectricAlCapping Or ContactAuCapping Or Contact

Reference WS₂ device region on SiO₂/Si used for comparison in the asymmetric screening discussion and carrier-density analysis.

3 characterizations2 figures

ExperimentalWS₂Studied MaterialSiO₂Substrate / DielectricSiSubstrate / Dielectric

Mechanical-exfoliated monolayer WS₂ transferred onto a patterned, locally poled AlScN ferroelectric film on an Al(111)/sapphire substrate; the device includes Al electrodes used for poling and Au alignment markers.

3 preparations9 characterizations8 properties7 figures

ExperimentalWS₂Studied MaterialAlScNStudied MaterialAl₂O₃Substrate / DielectricAlCapping Or ContactAuCapping Or Contact

Reference WS₂ device region on SiO₂/Si used for comparison in the asymmetric screening discussion and carrier-density analysis.

3 characterizations2 figures

ExperimentalWS₂Studied MaterialSiO₂Substrate / DielectricSiSubstrate / Dielectric

Mechanical-exfoliated monolayer WS₂ transferred onto a patterned, locally poled AlScN ferroelectric film on an Al(111)/sapphire substrate; the device includes Al electrodes used for poling and Au alignment markers.

3 preparations9 characterizations8 properties7 figures

ExperimentalWS₂Studied MaterialAlScNStudied MaterialAl₂O₃Substrate / DielectricAlCapping Or ContactAuCapping Or Contact

Reference WS₂ device region on SiO₂/Si used for comparison in the asymmetric screening discussion and carrier-density analysis.

3 characterizations2 figures

ExperimentalWS₂Studied MaterialSiO₂Substrate / DielectricSiSubstrate / Dielectric

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Controlled non-volatile modulation of optical dispersion in monolayer tungsten disulfide via ferroelectric polarization patterning

Samples

Mechanical-exfoliated monolayer WS₂ transferred onto a patterned, locally poled AlScN ferroelectric film on an Al(111)/sapphire substrate; the device includes Al electrodes used for poling and Au alignment markers.

Reference WS₂ device region on SiO₂/Si used for comparison in the asymmetric screening discussion and carrier-density analysis.

Why these are connected

Samples

Mechanical-exfoliated monolayer WS₂ transferred onto a patterned, locally poled AlScN ferroelectric film on an Al(111)/sapphire substrate; the device includes Al electrodes used for poling and Au alignment markers.

Reference WS₂ device region on SiO₂/Si used for comparison in the asymmetric screening discussion and carrier-density analysis.

Why these are connected

Samples

Mechanical-exfoliated monolayer WS₂ transferred onto a patterned, locally poled AlScN ferroelectric film on an Al(111)/sapphire substrate; the device includes Al electrodes used for poling and Au alignment markers.

Reference WS₂ device region on SiO₂/Si used for comparison in the asymmetric screening discussion and carrier-density analysis.

Why these are connected

Samples

Mechanical-exfoliated monolayer WS₂ transferred onto a patterned, locally poled AlScN ferroelectric film on an Al(111)/sapphire substrate; the device includes Al electrodes used for poling and Au alignment markers.

Reference WS₂ device region on SiO₂/Si used for comparison in the asymmetric screening discussion and carrier-density analysis.

Why these are connected