Outputs (60)

High-temperature Brown-Zak oscillations in graphene/hBN moiré field effect transistor fabricated using molecular beam epitaxy (2024)
Journal Article
Makarovsky, O., Hill, R. J. A., Cheng, T. S., Summerfield, A., Taniguchi, T., Watanabe, K., Mellor, C. J., Patanè, A., Eaves, L., Novikov, S. V., & Beton, P. H. (2024). High-temperature Brown-Zak oscillations in graphene/hBN moiré field effect transistor fabricated using molecular beam epitaxy. Communications Materials, 5, Article 189. https://doi.org/10.1038/s43246-024-00633-x

High-temperature Brown-Zak oscillations in graphene/hBN moiré field effect transistor fabricated using molecular beam epitaxy Graphene placed on hexagonal boron nitride (hBN) has received significant interest due to its excellent electrical performan... Read More about High-temperature Brown-Zak oscillations in graphene/hBN moiré field effect transistor fabricated using molecular beam epitaxy.

Epitaxy of GaSe Coupled to Graphene: From In Situ Band Engineering to Photon Sensing (2024)
Journal Article
Bradford, J., Dewes, B. T., Shiffa, M., Cottam, N. D., Rahman, K., Cheng, T. S., Novikov, S. V., Makarovsky, O., O'Shea, J. N., Beton, P. H., Lara-Avila, S., Harknett, J., Greenaway, M. T., & Patanè, A. (2024). Epitaxy of GaSe Coupled to Graphene: From In Situ Band Engineering to Photon Sensing. Small, 20(40), Article 2404809. https://doi.org/10.1002/smll.202404809

2D semiconductors can drive advances in quantum science and technologies. However, they should be free of any contamination; also, the crystallographic ordering and coupling of adjacent layers and their electronic properties should be well‐controlled... Read More about Epitaxy of GaSe Coupled to Graphene: From In Situ Band Engineering to Photon Sensing.

Cathodoluminescence spectroscopy of monolayer hexagonal boron nitride (2024)
Journal Article
Shima, K., Cheng, T. S., Mellor, C. J., Beton, P. H., Elias, C., Valvin, P., Gil, B., Cassabois, G., Novikov, S. V., & Chichibu, S. F. (2024). Cathodoluminescence spectroscopy of monolayer hexagonal boron nitride. Scientific Reports, 14(1), Article 169. https://doi.org/10.1038/s41598-023-50502-9

Cathodoluminescence (CL) spectroscopy is a suitable technique for studying the luminescent properties of optoelectronic materials because CL has no limitation on the excitable bandgap energy and eliminates ambiguous signals due to simple light scatte... Read More about Cathodoluminescence spectroscopy of monolayer hexagonal boron nitride.

Wafer-Scale Two-Dimensional Semiconductors for Deep UV Sensing (2023)
Journal Article
Shiffa, M., Dewes, B. T., Bradford, J., Cottam, N. D., Cheng, T. S., Mellor, C. J., Makarovskiy, O., Rahman, K., O'Shea, J. N., Beton, P. H., Novikov, S. V., Ben, T., Gonzalez, D., Xie, J., Zhang, L., & Patanè, A. (2024). Wafer-Scale Two-Dimensional Semiconductors for Deep UV Sensing. Small, 20(7), Article 2305865. https://doi.org/10.1002/smll.202305865

2D semiconductors (2SEM) can transform many sectors, from information and communication technology to healthcare. To date, top‐down approaches to their fabrication, such as exfoliation of bulk crystals by “scotch‐tape,” are widely used, but have limi... Read More about Wafer-Scale Two-Dimensional Semiconductors for Deep UV Sensing.

Graphene nanoribbons with hBN passivated edges grown by high-temperature molecular beam epitaxy (2023)
Journal Article
Bradford, J., Cheng, T. S., James, T. S., Khlobystov, A. N., Mellor, C. J., Watanabe, K., Taniguchi, T., Novikov, S. V., & Beton, P. H. (2023). Graphene nanoribbons with hBN passivated edges grown by high-temperature molecular beam epitaxy. 2D Materials, 10(3), Article 035035. https://doi.org/10.1088/2053-1583/acdefc

Integration of graphene and hexagonal boron nitride (hBN) in lateral heterostructures has provided a route to broadly engineer the material properties by quantum confinement of electrons or introduction of novel electronic and magnetic states at the... Read More about Graphene nanoribbons with hBN passivated edges grown by high-temperature molecular beam epitaxy.

Electroluminescence from a phthalocyanine monolayer encapsulated in a van der Waals tunnel diode (2023)
Journal Article
James, T., Bradford, J., Kerfoot, J., Korolkov, V. V., Alkhamisi, M., Taniguchi, T., Watanabe, K., Nizovtsev, A. S., Antolín, E., Besley, E., Svatek, S. A., & Beton, P. H. (2023). Electroluminescence from a phthalocyanine monolayer encapsulated in a van der Waals tunnel diode. Molecular Physics, 121(7-8), Article e2197081. https://doi.org/10.1080/00268976.2023.2197081

Monolayers of free base phthalocyanine (H2Pc) are grown on monolayer and few-layer exfoliated flakes of hexagonal boron nitride (hBN) which are subsequently integrated into a van der Waals tunnel diode. This heterostructure consists of two thin hBN f... Read More about Electroluminescence from a phthalocyanine monolayer encapsulated in a van der Waals tunnel diode.

Photosensitisation of inkjet printed graphene with stable all-inorganic perovskite nanocrystals (2022)
Journal Article
Austin, J. S., Cottam, N. D., Zhang, C., Wang, F., Gosling, J. H., Nelson-Dummet, O., James, T. S., Beton, P. H., Trindade, G. F., Zhou, Y., Tuck, C. J., Hague, R., Makarovsky, O., & Turyanska, L. (2023). Photosensitisation of inkjet printed graphene with stable all-inorganic perovskite nanocrystals. Nanoscale, 15(5), 2134–2142. https://doi.org/10.1039/D2NR06429D

All-inorganic perovskite nanocrystals (NCs) with enhanced environmental stability are of particular interest for optoelectronic applications. Here we report on the formulation of CsPbX3 (X is Br or I) inks for inkjet deposition and utilise these NCs... Read More about Photosensitisation of inkjet printed graphene with stable all-inorganic perovskite nanocrystals.

Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures (2022)
Journal Article
Patanè, A., Felton, J., Blundo, E., Kudrynskyi, Z., Ling, S., Bradford, J., Pettinari, G., Cooper, T., Wadge, M., Kovalyuk, Z., Polimeni, A., Beton, P., Grant, D., Walker, G., & Patane, A. (2022). Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures. Small, 18(33), Article 2202661. https://doi.org/10.1002/smll.202202661

The family of van der Waals (vdW) materials is large and diverse with applications ranging from electronics and optoelectronics to catalysis and chemical storage. However, despite intensive research, there remains significant knowledge-gaps pertainin... Read More about Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures.

Submolecular Resolution Imaging of P3HT:PCBM Nanostructured Films by Atomic Force Microscopy: Implications for Organic Solar Cells (2022)
Journal Article
Liirò-Peluso, L., Wrigley, J., Amabilino, D. B., & Beton, P. H. (2022). Submolecular Resolution Imaging of P3HT:PCBM Nanostructured Films by Atomic Force Microscopy: Implications for Organic Solar Cells. ACS Applied Nano Materials, 5(10), 13794-13804. https://doi.org/10.1021/acsanm.2c01399

The efficiency of organic bulk-heterojunction (BHJ) solar cells depends greatly on both the bulk and surface structure of the nanostructured bicontinuous interpenetrating network of materials, known as the active layer. The morphology of the top laye... Read More about Submolecular Resolution Imaging of P3HT:PCBM Nanostructured Films by Atomic Force Microscopy: Implications for Organic Solar Cells.

Exciton and Phonon Radiative Linewidths in Monolayer Boron Nitride (2022)
Journal Article
Cassabois, G., Fugallo, G., Elias, C., Valvin, P., Rousseau, A., Gil, B., Summerfield, A., Mellor, C. J., Cheng, T. S., Eaves, L., Foxon, C., Beton, P., Lazzeri, M., Segura, A., & Novikov, S. (2022). Exciton and Phonon Radiative Linewidths in Monolayer Boron Nitride. Physical Review X, 12(1), Article 011057. https://doi.org/10.1103/physrevx.12.011057

The light-matter interaction in bulk semiconductors is in the strong coupling regime with hybrid eigenstates, the so-called exciton-polaritons and phonon-polaritons. In two-dimensional (2D) systems, the translational invariance is broken in the direc... Read More about Exciton and Phonon Radiative Linewidths in Monolayer Boron Nitride.