Selected publications

Laitinen, A., Massel, F., Manninen, J., and Hakonen, P.De Haas – van Alphen effect in suspended graphene, submitted.

Shawulienu, K., Žitko, R., Dvorak, M., Ojanen, T., and Liljeroth, P., Observation of coexistence of Yu-Shiba-Rusinov states and spin-flip excitations, Nano Letters (2019). DOI

Liang, J., Wang, J., Zhang, Z., Su, Y., Guo, Y., Qiao, R., Song, P., Gao, P., Zhao, Y., Jiao, Q. Wu, S., Sun, Z., Yu, D.,and Liu, K., Universal Imaging of Full Strain Tensor in 2D Crystals with Third-Harmonic Generation, Advanced Materials 31, 1808160 (2019). DOI

Hu, H., Yang, X., Guo, X., Khaliji, K., Biswas, S. R., García de Abajo, F. J., Low, T., Sun, Z., and Dai, Q., Gas identification with graphene plasmons, Nature Communications 10, 1131 (2019). DOI

Rönn, J., Zhang, W., Autere, A., Leroux, X., Pakarinen, L., Alonso-Ramos, C., Säynätjoki, A., Lipsanen, H., Vivien, L., Cassan, E., and Sun, Z., Ultra-high on-chip optical gain in erbium-based hybrid slot waveguides, Nature Communications 10, 432 (2019). DOI

Yao, F., Liu, C., Chen, C., Zhang, S., Zhao, Q., Xiao, F., Wu, M., Li, J., Gao, P., Zhao, J. Bai, X., Maruyama, S., Yu, D., Wang, E., Sun, Z., Zhang, J., Wang, F., and Liu, K., Measurement of complex optical susceptibility for individual carbon nanotubes by elliptically polarized light excitation, Nature Communications 9, 3387 (2018). DOI

Kumar, M., Laitinen, A., and Hakonen, P., Unconventional fractional quantum Hall states and Wigner crystallization in suspended Corbino graphene, Nature Communications 9, 2776 (2018). DOI

Xue, H., Wang, Y., Dai, Y., Kim, W., Jussila, H., Qi, M., Susoma, J., Ren, Z., Dai, Q., Zhao, J. Halonen, K., Lipsanen, H., Wang, X., Gan, X., and Sun, Z., A MoSe2/WSe2 Heterojunction-Based Photodetector at Telecommunication Wavelengths, Advanced Functional Materials 28, 1804388 (2018). DOI

Yuan, Q., Fang, L., Yang, H., Gan, X., Khayrudinov, V., Lipsanen, H., Sun, Z., and Zhao, J., Low‐Power Continuous‐Wave Second Harmonic Generation in Semiconductor Nanowires, Laser and Photonics Reviews 12, 1800126 (2018). DOI

Hu, H., Guo, X., Hu, D., Sun, Z., Yang, X., and Dai, Q., Flexible and Electrically Tunable Plasmons in Graphene–Mica Heterostructures, Advanced Science 5, 1800175 (2018). DOI

Kumar, A., Banerjee, K., Foster, A. S., and Liljeroth, P., Two-Dimensional Band Structure in Honeycomb Metal-Organic Frameworks, Nano Letters 18, 9, 5596-5602 (2018). DOI

Yang, H., Khayrudinov, V., Dhaka, V., Jiang, H., Autere, A., Jussila, H., Lipsanen, H., and Sun, Z., Nanowire network–based multifunctional all-optical logic gates, Science Advances 4, eaar7954 (2018). DOI

Sun, Z., Electrically tuned nonlinearity,  Nature Photonics 12, 383-385 (2018). DOI

Bogusławski, J., Wang, Y., Xue, H., Yang, X., Mao, D., Gan, X., Ren, Z., Zhao, J., Dai, Q., Soboń, G. Sotor, J., and Sun, Z., Graphene Actively Mode-Locked Lasers,  Advanced Functional Materials 28, 1801539 (2018). DOI

Schulz, F., Ritala, J., Krejčí, O., Seitsonen, A. P., Foster, A. S., and Liljeroth, P.Elemental Identification by Combining Atomic Force Microscopy and Kelvin Probe Force Microscopy, ACS Nano 12, 5274-5283 (2018).

Juntunen, T., Jussila, H., Ruoho, M., Liu, S., Hu, G., Albrow-Owen, T., Ng, L. W. T., Howe, R. C. T., Hasan, T., Sun, Z., and Tittonen, I., Inkjet Printed Large-Area Flexible Few-Layer Graphene Thermoelectrics, Advanced Functional Materials 28, 1800480 (2018). DOI

Li, S., Lin, Y. C., Zhao, W., Wu, J., Wang, Z., Hu, Z., Shen, Y., Tang, D. M., Wang, J., Zhang, Q. Zhu, H., Chu, L., Zhao, W., Liu, C., Sun, Z., Taniguchi, T., Osada, M., Chen, W., Xu, Q. H., Wee, A. T. S., Suenaga, K., Ding, F. & Eda, G., Vapour–liquid–solid growth of monolayer MoS2 nanoribbons, Nature Materials. 17, 535–542 (2018). DOI

Yang, X., Sun, Z., Low, T., Hu, H., Guo, X., García de Abajo, F.J., Avouris, P, and Dai, Q., Nanomaterial-Based Plasmon-Enhanced Infrared Spectroscopy, Advanced Materials 30, 1704896 (2018). DOI

Autere, A., Jussila, H., Dai, Y., Wang, Y., Lipsanen, H., and Sun, Z.Nonlinear Optics with 2D Layered Materials, Advanced Materials 30, 1705963 (2018). DOI

Kezilebieke, S., Dvorak, M., Ojanen, T., and Liljeroth, P., Coupled Yu-Shiba-Rusinov States in Molecular Dimers on NbSe2, Nano Letters 5, 2311-2315 (2018). DOI

Jacobse, P.H., Kimouche, A., Gebraad, T., Ervasti, M.M., Thijssen, J.M., Liljeroth, P., and Swart, I., Electronic components embedded in a single graphene nanoribbon, Nature Communications 8, 119 (2017). DOI

Säynätjoki, A., Karvonen, L., Rostami, H., Autere, A., Mehravar, S.  Lombardo, A., Norwood, R.A., Hasan, T., Peyghambarian, N., Lipsanen, H.,  Kieu, K., Ferrari, A.C., Polini, M., and Sun, Z., Ultra-strong nonlinear optical processes and trigonal warping in MoS2 layers, Nature Communications 8, 893 (2017). DOI

Kim, M., Shah, A., Li, C., Mustonen, P., Susoma, J., Manoocheri, F., Riikonen, J., and Lipsanen, H., Direct transfer of Wafer-scale graphene films, 2D Materials 3, 035004 (2017). DOI

Li, C., Zhou, J.X., Zhai, F., Li, Z., Yao, F., Qiao, R., Chen, K., Cole, M.T., Yu, D., Sun, Z., Liu, K., and Dai, Q., Carbon Nanotubes as an Ultrafast Emitter with a Narrow Energy Spread at Optical Frequency, Advanced Materials 6, 1701580 (2017). DOI

Drost, R., Ojanen, T., Harju, A., and Liljeroth, P., Topological states in engineered atomic lattices, Nature Physics 13, 668-671 (2017). DOI

Dunaevskiy, M., Geydt, P., Lähderanta, E., Alekseev, P., Haggrén, T., Kakko, J. P., Jiang, H., and Lipsanen, H.Young’s Modulus of Wurtzite and Zinc Blende InP Nanowires, Nano Letters 17, 3441 (2017). DOI

Karvonen, L., Saynatjoki, A., Huttunen, M.J., Autere, A., Amirsolaimani, B., Li, S., Norwood, R.A., Peyghambarian, N., Lipsanen, H., Eda, G., Kieu, K., and Sun, Z., Rapid visualization of grain boundaries in monolayer MoS2 by multiphoton microscopy, Nature Communications 8, 15714 (2017). DOI

Kumar, A., Banerjee, K., Dvorak, M., Schulz, F., Harju, A., Rinke, P., and Liljeroth, P., Charge-Transfer Driven Nonplanar Adsorption of F4TCNQ Molecules on Epitaxial Graphene, ACS Nano 11, 4960 (2017). DOI

Turquet, L., Kakko, J.-P., Zang, X., Naskali, L., Karvonen, L., Jiang, H., Huhtio, T., Kauppinen, E., Lipsanen, H., Kauranen, M., and Bautista, G., Tailorable second-harmonic generation from an individual nanowire using spatially phase-shaped beams, Laser & Photonics Reviews 11, 1600175 (2017). DOI

Kargar, F., Debnath, B., Kakko, J.P., Säynätjoki, A., Lipsanen, H., Nika, D.L., Lake, R.K., Balandin, A.A., Direct observation of confined acoustic phonon polarization branches in free-standing semiconductor nanowires, Nature Communications 7, 13400 (2016). DOI

He, M., Zhang, L., Jiang, H., Yang, H., Fossard, F., Cui, H., Sun, Z., Wagner, J.B., Kauppinen, E.I., and Loiseau, A., Fe-Ti-O based catalyst for large-chiral-angle single-walled carbon nanotube growth, Carbon 107, 865 (2016). DOI

Hu, H., Yang, X., Zhai, F., Hu, D., Liu, R., Liu, K., Sun, Z., and Dai, Q., Far-field nanoscale infrared spectroscopy of vibrational fingerprints of molecules with graphene plasmons, Nature Communications 7, 12334 (2016). DOI

Yang, X., Zhai, F., Hu, H., Sun, M., Sun, Z., Chen, J., and Dai, Q., Far-Field Spectroscopy and Near-Field Optical Imaging of Coupled Plasmon–Phonon Polaritons in 2D van der Waals Heterostructures, Advanced Materials 28, 2931 (2016). DOI

Sun, Z., Martinez, A., and Wang, F., Optical modulators with two-dimensional layered materials, Nature Photonics 10, 227 (2016). DOI

Jussila, H., Yang, H., Granqvist, N., and Sun, Z.Surface plasmon resonance for characterization of large-area atomic-layer graphene film, Optica 3, 151 (2016). DOI

Kim, W., Li, C., Chaves, F.A., Jiménez, D., Rodriguez, R.D., Jannatul, S., Fenner, M.A., Lipsanen, H., and Riikonen, J., Tunable Graphene-GaSe Dual Heterojunction Device, Advanced Materials 28, 1845 (2016). DOI

Luo, Z., Wu, D., Xu, B., Xu, H., Cai, Z., Peng, J., Weng, J., Xu, S., Zhu, C., Wang, F., Sun, Z., and Zhang, H., Two-dimensional materials saturable absorbers: Towards compact visible-wavelength all-fiber pulsed lasers, Nanoscale 8, 1066 (2016). DOI

Kimouche, A., Ervasti, M.M., Drost, R., Halonen, S., Harju, A., Joensuu, P.M., Sainio, J., Liljeroth, P., Ultra-narrow metallic armchair graphene nanoribbons, Nature Communications 6, 10177 (2015). DOI

Hu, X., Björkman, T., Lipsanen, H., Sun, L. and Krasheninnikov, A.V., Solubility of Boron, Carbon, and Nitrogen in Transition Metals: Getting Insight into Trends from First-Principles Calculations, Journal of Physical Chemistry Letters 6, 3263 (2015). DOI

Karvonen, L., Säynätjoki, A., Mehravar, S., Rodriquez, R., Hartmann, S., Zahn, D., Honkanen, S., Robert Norwood, R., Peyghambarian, N., Kieu, K., Lipsanen, H., Riikonen, J., Investigation of Second, Third- and Fourth-Harmonic Generation in Few-Layer Gallium Selenide by Multiphoton Microscopy, Scientific Reports 5, 10334 (2015). DOI

Kim, W., Li, C.F., Chekurov, N., Arpiainen, S., Akinwande, D., Lipsanen, H., and Riikonen, J.All-Graphene Three-Terminal-Junction Field-Effect Devices as Rectifiers and Inverters, ACS Nano 9, 5666 (2015). DOI

Chaves, F.A., Jimenez, D. Sagade, A.A., Kim, W., Riikonen, J., Lipsanen, H., Neumaier, D., A physics based model of gate tunable metal-graphene contact resistance benchmarked against experimental data, 2D Materials 2, 025006 (2015). DOI

Vasconcelos, T.L., Archanjo, B.S., Fragneaud, B., Oliveira, B.S., Riikonen, J., Li, C., Rabelo, C., Rodrigues, W.N., Jorio, A., Achete, C.A., Cancado, L.G., Tuning Localized Surface Plasmon Resonance in Scanning Near-Field Optical Microscopy Probes, ACS Nano 9, 6297 (2015). DOI

Ferrari, A.C., et al., Science and technology roadmap for graphene, related two dimensional crystals, and hybrid systems, Nanoscale 7, 4598 (2015). DOI

Häkkinen, P., Isacsson, A., Savin, A., Sulkko, J., Hakonen, P.Charge Sensitivity Enhancement via Mechanical Oscillation in Suspended Carbon Nanotube Devices, Nano Letters 15, 1530 (2015). DOI

Tan, Z. B., Cox, D., Nieminen,T., Lähteenmäki,P., Golubev,D., Lesovik, G. B., Hakonen, P. J.Cooper Pair Splitting by Means of Graphene Quantum Dots, Physical Review Letters 114, 096602 (2015). DOI

Tomi, M., Isacsson, A., Oksanen, M., Lyashenko, D., Kaikkonen, J.-P., Tervakangas, S., Kolehmainen, J., and Hakonen, P.J.Buckled diamond-like carbon nanomechanical resonators, Nanoscale 7, 14747 (2015). DOI

Berdova, M., et al., Exceptionally strong and robust millimeterscale graphene-alumina composite membranes, Nanotechnology 25, 439501 (2014). DOI Note also: Corrigendum

Drost, R., Uppstu, A., Schulz, F., Hämäläinen, S.K., Ervasti, M., Harju, A. and Liljeroth, P., Electronic states at the graphene – hexagonal boron nitride zigzag interface, Nano Letters 14, 5128 (2014). DOI

Laitinen, A., Oksanen, M., Fay, A., Cox, D., Tomi, M., Virtanen, P., and Hakonen, P.J.Electron-Phonon Coupling in Suspended Graphene: Supercollisions by Ripples, Nano Letters 14, 3009 (2014). DOI

Song, X. and Oksanen, M. and Li, J. and Hakonen, P.J. and Sillanpää, M.A., Graphene optomechanics realized at microwave frequencies, Physical Review Letters 113, 027404 (2014). DOI

Riikonen, J., Kim, W., Li, C., Svensk, O., Arpiainen, S., Kainlauri, M., and Lipsanen, H.Photo-thermal chemical vapor deposition of graphene on copper, Carbon 62, 43 (2013). DOI

Säynätjoki, A., Karvonen, L., Riikonen, J., Kim, W., Mehravar, S., Norwood, R.A., Peyghambarian, N., Lipsanen, H., and Kieu, K., Rapid Large-Area Multiphoton Microscopy for Characterization of Graphene, ACS Nano 7, 8441 (2013). DOI

Kim, W., Riikonen, J., Li, C.F., Chen, Y., and Lipsanen, H.Highly tunable local gate controlled complementary graphene device performing as inverter and voltage controlled resistor, Nanotechnology 24, 395202 (2013). DOI

Martinez, A., and Sun, Z., Nanotube and graphene saturable absorbers for fibre lasers, Nature Photonics 7, 842 (2013). DOI

Järvinen, P., Hämäläinen, S.K., Banerjee, K., Häkkinen, P., Ijäs, M., Harju, A., Liljeroth, P., Molecular self-assembly on graphene on SiO2 and h-BN substrates, Nano Letters 13, 3199 (2013). DOI

van der Lit, J., Boneschanscher, M.P., Vanmaekelbergh, D., Ijäs, M., Uppstu, A., Ervasti, M., Harju, A., Liljeroth, P., and Swart, I., Suppression of electron-vibron coupling in graphene nanoribbons contacted via a single atom, Nature Communications 4, 2023 (2013). DOI

Boneschanscher, M.P., van der Lit, J., Sun, Z., Swart, I., Liljeroth, P., and Vanmaekelbergh, D., Quantitative Atomic Resolution Force Imaging on Epitaxial Graphene with Reactive and Non-Reactive AFM Probes, ACS Nano 6, 10216 (2012). DOI

Naumenko, D., Snitka, V., Snopok, B., Arpiainen, S., and Lipsanen, H.Graphene-enhanced Raman imaging of TiO2 nanoparticles, Nanotechnology 23, 465703 (2012). DOI

Kim, W., Pasanen, P., Riikonen, J., and Lipsanen, H.Nonlinear behavior of three-terminal graphene junctions at room temperature, Nanotechnology 23, 115201 (2012). DOI

Song, X., Oksanen, M., Sillanpää, M.A., Craighead, H.G., Parpia, J.M., and Hakonen, P.J.Stamp Transferred Suspended Graphene Mechanical Resonators for Radio Frequency Electrical Readout, Nano Letters, 12, p. 198–202 (2012). DOI

Hämäläinen, S.K., Sun, Z., Boneschanscher, M.P., Uppstu, A., Ijäs, M., Harju, A., Vanmaekelbergh, D. and Liljeroth, P., Quantum confined electronic states in atomically well-defined graphene nanostructures, Physical Review Letters 107, 236803 (2011). DOI

Danneau, R., Wu, F., Craciun, M.F., Russo, S., Tomi, M.Y., Salmilehto, J., Morpurgo, A.F., and Hakonen, P.J.Shot Noise in Ballistic Graphene, Physical Review Letters, 100, p. 196802/1-4 (2008). DOI