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Magnetotransport and lateral confinement in an InSe van der Waals heterostructure (2018)
Journal Article
Lee, Y., Pisoni, R., Overweg, H., Eich, M., Rickhaus, P., Patane, A., …Ensslin, K. (2018). Magnetotransport and lateral confinement in an InSe van der Waals heterostructure. 2D Materials, 5(3), doi:10.1088/2053-1583/aacb49

In the last six years, Indium selenide (InSe) has appeared as a new van der Waals heterostructure platform which has been extensively studied due to its unique electronic and optical properties. Such as transition metal dichalcogenides (TMDCs), the c... Read More about Magnetotransport and lateral confinement in an InSe van der Waals heterostructure.

Improved performance of InSe field-effect transistors by channel encapsulation (2018)
Journal Article
Liang, G., Wang, Y., Han, L., Yang, Z., Xin, Q., Kudrynskyi, Z. R., …Song, A. (2018). Improved performance of InSe field-effect transistors by channel encapsulation. Semiconductor Science and Technology, 33(6), doi:10.1088/1361-6641/aab62b

Due to the high electron mobility and photo-responsivity, InSe is considered as an excellent candidate for next generation electronics and optoelectronics. In particular, in contrast to many high-mobility two-dimensional (2D) materials, such as phosp... Read More about Improved performance of InSe field-effect transistors by channel encapsulation.

Gate-defined quantum confinement in InSe-based van der Waals heterostructures (2018)
Journal Article
Hamer, M. J., Tovari, E., Zhu, M., Thompson, M., Mayorov, A., Prance, J., …Gorbachev, R. (2018). Gate-defined quantum confinement in InSe-based van der Waals heterostructures. Nano Letters, 18(6), 3950–3955. doi:10.1021/acs.nanolett.8b01376

Indium selenide, a post-transition metal chalcogenide, is a novel two-dimensional (2D) semiconductor with interesting electronic properties. Its tunable band gap and high electron mobility have already attracted considerable research interest. Here w... Read More about Gate-defined quantum confinement in InSe-based van der Waals heterostructures.

Epitaxial growth of γ-InSe and α, β, and γ-In2Se3 on ε-GaSe (2018)
Journal Article
Balakrishnan, N., Steer, E. D., Smith, E. F., Kudrynskyi, Z. R., Kovalyuk, Z. D., Eaves, L., …Beton, P. H. (2018). Epitaxial growth of γ-InSe and α, β, and γ-In2Se3 on ε-GaSe. 2D Materials, 5(3), https://doi.org/10.1088/2053-1583/aac479

We demonstrate that γ-InSe and the α, β and γ phases of In2Se3 can be grown epitaxially on ε-GaSe substrates using a physical vapour transport method. By exploiting the temperature gradient within the tube furnace, we can grow selectively different p... Read More about Epitaxial growth of γ-InSe and α, β, and γ-In2Se3 on ε-GaSe.

Room temperature uniaxial magnetic anisotropy induced by Fe-islands in the InSe semiconductor van der Waals crystal (2018)
Journal Article
Moro, F., Bhuiyan, M. A., Kudrynskyi, Z. R., Puttock, R., Kazakova, O., Makarovsky, O., …Patanè, A. (2018). Room temperature uniaxial magnetic anisotropy induced by Fe-islands in the InSe semiconductor van der Waals crystal. Advanced Science, 5(7), doi:10.1002/advs.201800257. ISSN 2198-3844

The controlled manipulation of the spin and charge of electrons in a semiconductor has the potential to create new routes to digital electronics beyond Moore’s law, spintronics, and quantum detection and imaging for sensing applications. These techno... Read More about Room temperature uniaxial magnetic anisotropy induced by Fe-islands in the InSe semiconductor van der Waals crystal.

Stable DHLA–PEG capped PbS quantum dots: from synthesis to near-infrared biomedical imaging (2018)
Journal Article
Zamberlan, F., Turyanska, L., Patanè, A., Liu, Z., Williams, H., Fay, M., …Grabowska, A. (in press). Stable DHLA–PEG capped PbS quantum dots: from synthesis to near-infrared biomedical imaging. Journal of Materials Chemistry B, 6, https://doi.org/10.1039/c7tb02912h

The short shelf-life of water-soluble quantum dots (QDs) due to colloidal instability represents a major drawback to their exploitation. This work examines the colloidal stability of PbS nanoparticles capped with dihydrolipoic acid–polyethylene glyco... Read More about Stable DHLA–PEG capped PbS quantum dots: from synthesis to near-infrared biomedical imaging.

Optical detection and spatial modulation of mid-infrared surface plasmon polaritons in a highly doped semiconductor (2017)
Journal Article
Di Paola, D., Velichko, A. V., Bomers, M., Balakrishnan, N., Makarovsky, O., Capizzi, M., …Patanè, A. (2018). Optical detection and spatial modulation of mid-infrared surface plasmon polaritons in a highly doped semiconductor. Advanced Optical Materials, 6(3), https://doi.org/10.1002/adom.201700492

Highly doped semiconductors (HDSCs) are promising candidates for plasmonic applications in the mid-infrared (MIR) spectral range. This work examines a recent addition to the HDSC family, the dilute nitride alloy In(AsN). Post-growth hydrogenation of... Read More about Optical detection and spatial modulation of mid-infrared surface plasmon polaritons in a highly doped semiconductor.

A giant quantum Hall plateau in graphene coupled to an InSe van der Waals crystal (2017)
Journal Article
Kudrynskyi, Z. R., Bhuiyan, M. A., Makarovsky, O., Greener, J. D., Vdovin, E. E., Kovalyuk, Z. D., …Patanè, A. (2017). A giant quantum Hall plateau in graphene coupled to an InSe van der Waals crystal. Physical Review Letters, 119(15), https://doi.org/10.1103/PhysRevLett.119.157701

We report on a “giant” quantum Hall effect plateau in a graphene-based field effect transistor where graphene is capped by a layer of the van der Waals crystal InSe. The “giant” quantum Hall effect plateau arises from the close alignment of the condu... Read More about A giant quantum Hall plateau in graphene coupled to an InSe van der Waals crystal.

High-detectivity ultraviolet photodetectors based on laterally mesoporous GaN (2017)
Journal Article
Liu, L., Yang, C., Patanè, A., Yu, Z., Yan, F., Wang, K., …Zhao, L. (2017). High-detectivity ultraviolet photodetectors based on laterally mesoporous GaN. Nanoscale, 24, doi:10.1039/c7nr01290j

Photodetectors for the ultraviolet (UV) range of the electromagnetic spectrum are in great demand for several technologies, but require the development of novel device structures and materials. Here we report on the high detectivity of UV photodetect... Read More about High-detectivity ultraviolet photodetectors based on laterally mesoporous GaN.

The direct-to-indirect band gap crossover in two-dimensional van der Waals Indium Selenide crystals (2016)
Journal Article
Mudd, G., Molas, M., Chen, X., Zólyomi, V., Nogajewski, K., Kudrynskyi, Z. R., …Patanè, A. (2016). The direct-to-indirect band gap crossover in two-dimensional van der Waals Indium Selenide crystals. Scientific Reports, 6(1), https://doi.org/10.1038/srep39619

The electronic band structure of van der Waals (vdW) layered crystals has properties that depend on the composition, thickness and stacking of the component layers. Here we use density functional theory and high field magneto-optics to investigate th... Read More about The direct-to-indirect band gap crossover in two-dimensional van der Waals Indium Selenide crystals.

High electron mobility, quantum Hall effect and anomalous optical response in atomically thin InSe (2016)
Journal Article
Bandurin, D. A., Tyurnina, A. V., Yu, G. L., Mishchenko, A., Zólyomi, V., Morozov, S. V., …Cao, Y. (in press). High electron mobility, quantum Hall effect and anomalous optical response in atomically thin InSe. Nature Nanotechnology, doi:10.1038/nnano.2016.242

A decade of intense research on two-dimensional (2D) atomic crystals has revealed that their properties can differ greatly from those of the parent compound. These differences are governed by changes in the band structure due to quantum confinement a... Read More about High electron mobility, quantum Hall effect and anomalous optical response in atomically thin InSe.

Excitonic mobility edge and ultra-short photoluminescence decay time in n-type GaAsN (2016)
Journal Article
Eßer, F., Winner, S., Patanè, A., Helm, M., & Schneider, H. (in press). Excitonic mobility edge and ultra-short photoluminescence decay time in n-type GaAsN. Applied Physics Letters, 109(18), doi:10.1063/1.4966949

We use time-resolved photoluminescence (PL) spectroscopy to study the recombination dynamics in Si-doped GaAsN semiconductor alloys with a nitrogen content up to 0.2%. The PL decay is predominantly monoexponential and exhibits a strong energy dispers... Read More about Excitonic mobility edge and ultra-short photoluminescence decay time in n-type GaAsN.

Developing Mn-doped lead sulfide quantum dots for MRI labels (2016)
Journal Article
Turyanska, L., Moro, F., Patanè, A., Barr, J., Köckenberger, W., Taylor, A., …Thomas, N. R. (2016). Developing Mn-doped lead sulfide quantum dots for MRI labels. Journal of Materials Chemistry B, 4(42), 6797-6802. https://doi.org/10.1039/c6tb02574a

Magnetic interactions of Mn2+ions in lead sulfide (PbS) nanocrystals with protons in water are probed by NMR and MRI. A thin layer of capping molecules enables free solvent diffusion to the nanocrystal surface resulting in a decrease of proton relaxa... Read More about Developing Mn-doped lead sulfide quantum dots for MRI labels.

Nanomechanical probing of the layer/substrate interface of an exfoliated InSe sheet on sapphire (2016)
Journal Article
Beardsley, R., Akimov, A. V., Greener, J. D., Mudd, G. W., Sandeep, S., Kudrynskyi, Z. R., …Kent, A. J. (2016). Nanomechanical probing of the layer/substrate interface of an exfoliated InSe sheet on sapphire. Scientific Reports, 6, https://doi.org/10.1038/srep26970

Van der Waals (vdW) layered crystals and heterostructures have attracted substantial interest for potential applications in a wide range of emerging technologies. An important, but often overlooked, consideration in the development of implementable d... Read More about Nanomechanical probing of the layer/substrate interface of an exfoliated InSe sheet on sapphire.

Quantum confinement and photoresponsivity of β-In2Se3 nanosheets grown by physical vapour transport (2016)
Journal Article
Balakrishnan, N., Staddon, C. R., Smith, E. F., Stec, J., Gay, D., Mudd, G. W., …Beton, P. H. (in press). Quantum confinement and photoresponsivity of β-In2Se3 nanosheets grown by physical vapour transport. 2D Materials, 3(2), (1-8). doi:10.1088/2053-1583/3/2/025030. ISSN 2053-1583

We demonstrate that β-In2Se3 layers with thickness ranging from 2.8 – 100 nm can be grown on SiO2/Si, mica and graphite using a physical vapour transport method. The β-In2Se3 layers are chemically stable at room temperature and exhibit a blue-shift o... Read More about Quantum confinement and photoresponsivity of β-In2Se3 nanosheets grown by physical vapour transport.

Electron spin coherence near room temperature in magnetic quantum dots (2015)
Journal Article
Moro, F., Turyanska, L., Wilman, J., Fielding, A. J., Fay, M. W., Granwehr, J., & Patanè, A. (2015). Electron spin coherence near room temperature in magnetic quantum dots. Scientific Reports, 5, https://doi.org/10.1038/srep10855

We report on an example of confined magnetic ions with long spin coherence near room temperature. This was achieved by confining single Mn 2+ spins in colloidal semiconductor quantum dots (QDs) and by dispersing the QDs in a proton-spin free matrix.... Read More about Electron spin coherence near room temperature in magnetic quantum dots.

High Broad-Band Photoresponsivity of Mechanically Formed InSe-Graphene van der Waals Heterostructures (2015)
Journal Article
Mudd, G. W., Svatek, S. A., Hague, L., Makarovsky, O., Kudrynskyi, Z. R., Mellor, C. J., …Patanè, A. (2015). High Broad-Band Photoresponsivity of Mechanically Formed InSe-Graphene van der Waals Heterostructures. Advanced Materials, 27(25), 3760-3766. https://doi.org/10.1002/adma.201500889

We exploit the broad-band transparency of graphene and the favorable band line up of graphene with van der Waals InSe crystals to create new functional heterostructures and high-performance photodetectors. The InSe-graphene heterostructure exhibits a... Read More about High Broad-Band Photoresponsivity of Mechanically Formed InSe-Graphene van der Waals Heterostructures.

Spin manipulation and spin-lattice interaction in magnetic colloidal quantum dots (2014)
Journal Article
Moro, F., Turyanska, L., Granwehr, J., & Patanè, A. (2014). Spin manipulation and spin-lattice interaction in magnetic colloidal quantum dots. Physical review B: Condensed matter and materials physics, 90(20), https://doi.org/10.1103/PhysRevB.90.205428

We report on the spin-lattice interaction and coherent manipulation of electron spins in Mn-doped colloidal PbS quantum dots (QDs) by electron spin resonance. We show that the phase memory time,TM, is limited by Mn–Mn dipolar interactions, hyperfine... Read More about Spin manipulation and spin-lattice interaction in magnetic colloidal quantum dots.

Room Temperature Electroluminescence from Mechanically Formed van der Waals III-VI Homojunctions and Heterojunctions (2014)
Journal Article
Balakrishnan, N., Kudrynskyi, Z. R., Fay, M. W., Mudd, G. W., Svatek, S. A., Makarovsky, O., …Patanè, A. (2014). Room Temperature Electroluminescence from Mechanically Formed van der Waals III-VI Homojunctions and Heterojunctions. Advanced Optical Materials, 2(11), 1064-1069. https://doi.org/10.1002/adom.201400202

Room temperature electroluminescence from semiconductor junctions is demonstrated. The junctions are fabricated by the exfoliation and direct mechanical adhesion of InSe and GaSe van der Waals layered crystals. Homojunction diodes formed from layers... Read More about Room Temperature Electroluminescence from Mechanically Formed van der Waals III-VI Homojunctions and Heterojunctions.

Tuneable paramagnetic susceptibility and exciton g-factor in Mn-doped PbS colloidal nanocrystals (2014)
Journal Article
Turyanska, L., Hill, R. J. A., Makarovsky, O., Moro, F., Knott, A. N., Larkin, O. J., …Curry, R. J. (2014). Tuneable paramagnetic susceptibility and exciton g-factor in Mn-doped PbS colloidal nanocrystals. Nanoscale, 6(15), 8919-8925. https://doi.org/10.1039/c4nr02336f

We report on PbS colloidal nanocrystals that combine within one structure solubility in physiological solvents with near-infrared photoluminescence, and magnetic and optical properties tuneable by the controlled incorporation of magnetic impurities (... Read More about Tuneable paramagnetic susceptibility and exciton g-factor in Mn-doped PbS colloidal nanocrystals.


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