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[2024]

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  1. S. Feng, A. J. Campbell, M. Brotons-Gisbert, D. Andrés-Penares, H. Baek, T. Taniguchi, K. Watanabe, B. Urbaszek, I. C. Gerber, and B.D. Gerardot, “The interplay of field-tunable strongly correlated states in a multi-orbital moiré system”, Nature Communications, accepted (2024)

  2. A. Campbell, V. Vitale, M. Brotons-Gisbert, H. Baek, A. Borel, T. Ivanova, T. Taniguchi, K. Watanabe, J. Lischner, and B. D. Gerardot, "The interplay of field-tunable strongly correlated states in a multi-orbital moiré system", Nature Physics, in press (2024)

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[2023]

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  1. H. Oh, Y. J. Hong, G.-C. Yi, H. Baek, D. R. Lee, H. H. Lee, “Initial Growth Behavior in Catalyst-Free-Grown Vertical ZnO Nanorods on c-Al2O3, as Observed Using Synchrotron Radiation X-ray Scattering”, Crystal Growth & Design 23, 1434 (2023)

 

[2022]

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  1. A. Campbell, M. Brotons-Gisbert, H. Baek, V. Vitale, T. Taniguchi, K. Watanabe, J. Lischner, and B. D. Gerardot, “Exciton-polarons in the presence of strongly correlated electronic states in a MoSe2/WSe2 moiré superlattice”, npj 2D Materials and Applications 6, 79 (2022)

  2. H. Y. Hwang, H. Baek, G.-C. Yi, and Y. D. Jho, “Nanoscale mapping of surface strain in tapered nanorods using confocal photoluminescence spectroscopy”, Nanotechnology 33, 485703 (2022)

  3. Y. Lee, H. Jo, K. Kim, H. Yoo, H. Baek, D. R. Lee, and H. Oh, “IGZO synaptic thin-film transistors with embedded AlOx charge-trapping layers”, Applied Physics Express 15, 6 (2022)

  4. C. H. Park, M. K. Woo, B. K. Park, Y.-S. Kim, H. Baek, S.-W. Lee, H.-T. Lim, S.-W. Jeon, H. Jung, S. Kim, and S.-W. Han, “2× N twin-field quantum key distribution network configuration based on polarization, wavelength, and time division multiplexing”, NPJ Quantum Information 8, 48 (2022)

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[2021]

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  1. H. Baek, M. Brotons-Gisbert, A. Campbell, Valerio Vitale, Johannes Lischner, K. Watanabe, T. Taniguchi, and B. D. Gerardot, “Optical read-out of Coulomb staircases in a moiré superlattice via trapped interlayer trions”, Nature Nanotechnology, 16, 1237 (2021)

  2. J.-P. So, H.-R. Kim, H. Baek, K.-Y. Jeong, H.-C. Lee, W. Huh, Y. S. Kim, K. Watanabe, T. Taniguchi, J. Kim, C.-H. Lee, H.-G. Park, “Electrically driven strain-induced deterministic single-photon emitters in a van der Waals heterostructure”, Science Advances, eabj3176 (2021)

  3. M. Brotons-Gisbert, H. Baek, A. Campbell, K. Watanabe, T. Taniguchi, and B. D. Gerardot, “Moiré-trapped interlayer trions in a charge-tunable WSe2/MoSe2 heterobilayer”, Physical Review X 11, 031033 (2021)

  4. J. B. Park, M. S. Song, R. Ghosh, R. K. Saroj, Y. Hwang, Y. Tchoe, H. Oh, H. Baek, Y. Lim, B. Kim, S.-W. Kim, and G.-C. Yi, “Highly sensitive and flexible pressure sensors using position-and dimension-controlled ZnO nanotube arrays grown on graphene films”, NPG Asia Materials 13, 57 (2021)

  5. Y. Tchoe, J. Jo, H. Kim, H. Kim, H. Baek, K. Lee, D. Yoo, W. J. Choi, M. Kim, and G.-C. Yi, “Vertical monolithic integration of wide-and narrow-bandgap semiconductor nanostructures on graphene films”, NPG Asia Materials 13, 33 (2021)

  6. M. S. Song, H. Baek, K. Lee, D. Yoo, K. Chung, J. Lee, H. Moon, B. H. Lee, H. Y. Park, and G.-C. Yi, “Intracellular gallium nitride microrod laser”, NPG Asia Materials 13, 32 (2021)

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[2020]

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  1. Y. Tchoe, M. Song, H. Kim, H. Baek, J. Y. Park, H. Oh, K. Lee, K. Chung, J. K. Hyun, and G.-C. Yi “Individually addressable, high-density vertical nanotube Schottky diode crossbar array”, Nano Energy 16, 104995 (2020)

  2. H. Baek*, M. Brotons-Gisbert*, Z. X. Koong, A. Campbell, M. Rambach, K. Watanabe, T. Taniguchi, and B. D. Gerardot, “Highly energy-tunable quantum light from moiré trapped excitons”, Science Advances 6, eaba8526 (2020) (*equal contribution)

  3. M. Brotons-Gisbert*, H. Baek*, A. Molina-Sánchez, A. Campbell, D. Scerri, D. White, K. Watanabe, T. Taniguchi, C. Bonato, and B. D. Gerardot, “Spin-layer locking of interlayer excitons trapped in moiré potentials”, Nature Materials 19, 630 (2020) (*equal contribution)

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[2010 - 2017]

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  1. H. Baek, H. Kwak, M. S. Song, G. E. Ha, J. Park, Y. Tchoe, J. K. Hyun, H. Y. Park, E. Cheong, and G.-C. Yi, “ZnO nanotube waveguide arrays on graphene films for local optical excitation on biological cells”, APL Materials 5, 046106 (2017)
    - Selected as an editor’s pick in APL Materials.

  2. H. Baek, J. B. Park, J. Park, J. K. Hyun, H. Yoon, H. Oh, and J. Yoon, “ZnO nanolasers on graphene films”, Applied Physics Letters 108, 263102 (2016)

  3. K. Chung, H. Yoo, J. K. Hyun, H. Oh. Y. Tchoe, K. Lee, H. Baek, M. Kim, and G-C. Yi, “Flexible GaN light-emitting diodes using GaN microdisk epitaxial laterally overgrown on graphene dots”, Advanced Materials 28, 7688 (2016)

  4. K. Lee, Y. Tchoe, H. Yoon, H. Baek, K. Chung, S. Lee, C. Yoon, B. H. Park, and G.-C. Yi, “Real-time device-scale imaging of conducting filament dynamics in resistive switching materials”, Scientific Reports 6, 27451 (2016)

  5. H.-Y. Hwang, H. Baek, G.-C. Yi, H.-C. Kim, and Y.-D. Jho, “Distinctive mapping of strain and quantum size effects using depth-resolved photoluminescence in ZnO nanoneedles”, AIP Advances 6, 045021 (2016).

  6. Y. Tchoe, C.-H. Lee, J. B. Park, H. Baek, K. Chung, J. Jo, M. Kim, and G.-C. Yi, "Microtube Light-Emitting Diode Arrays with Metal Cores”, ACS Nano 10, 3114 (2016)

  7. J. K. Hyun, T. Kang, H. Baek, H. Oh, D.-S. Kim, and G.-C Yi, “Enhanced second harmonic generation by coupling to exciton ensembles in Ag-coated ZnO nanorods”, ACS Photonics 2, 1314 (2015)

  8. J. K. Hyun, T. Kang, H. Baek, D.-S. Kim, and G.-C Yi, “Nanoscale Single-Element Color Filters”, Nano Letters 15, 5938 (2015)

  9. S. I. Park, Y. Tchoe, H. Baek, J. Heo, J. K. Hyun, J. Jo, M. Kim, N.-J. Kim, and G.-C. Yi, “Growth and optical characteristics of high-quality ZnO thin films on graphene layers”, APL Materials 3, 016103 (2015)

  10. H. Oh, Y. J. Hong, K.-S. Kim, S. Yoon, H. Baek, S.-H. Kang, Y.-K. Kwon, M. Kim, and G.-C. Yi, “Architectured van der Waals epitaxy of ZnO nanostructures on hexagonal BN”, NPG Asia Materials 6, e145 (2014)

  11. H. Baek, J. K Hyun, K. Chung, H. Oh, and G.-C. Yi, “Selective excitation of Fabry-Perot or whispering-gallery mode-type lasing in GaN microrods”, Applied Physics Letters 105, 201108 (2014)

  12. J. Xu, C. Wang, A. Lu, B. Wu, X. Chen, H. Oh, H. Baek, G.-C. Yi, and L. Ouyang, “Photoluminescence of excitons and defects in ZnSe-based longitudinal twinning nanowires”, Journal of Physics D: Applied Physics 47, 485302 (2014)

  13. J. Xu, C. Wang, B. Wu, X. Xu, X. Chen, H. Oh, H. Baek, and G.-C. Yi, “Twinning effect on photoluminescence spectra of ZnSe nanowires”, Journal of Applied Physics 116, 174303 (2014)

  14. K. Chung, H. Beak, Y. Tchoe, H. Oh, H. Yoo, M. Kim, and G.-C. Yi, “Growth and characterizations of GaN micro-rods on graphene films for flexible light emitting diodes”, APL Materials 2, 092521 (2014)

  15. D. M. Kim, Y.-H. Cho, H. Jeong, H. Baek, G.-C. Yi, and Y. D. Jho, “Stimulated Emission Features of Bound Excitons in ZnO Nanotubes”, Journal of Nanoscience and Nanotechnology 14, 5293, (2014)

  16. J. Xu, A. Lu, C. Wang, R. Zou, X. Liu, X. Wu, Y. Wang, S. Li, L. Sun, X. Chen, H. Oh, H. Baek, G.‐C. Yi, and J. Chu, “ZnSe‐based longitudinal twinning nanowires”, Advanced Engineering Materials 16, 459 (2014)

  17. H. Baek, C.-H. Lee, K. Chung, and G.-C. Yi, “Epitaxial GaN Microdisk Lasers Grown on Graphene Microdots”, Nano Letters 13, 2782 (2013).

  18. K. Chung, S. I. Park, H. Baek, J.-S. Chung, and G.-C. Yi, “High-quality GaN films grown on chemical vapor-deposited graphene films”, NPG Asia Materials 4, e24 (2012)

  19. Y.-J. Kim, H. Yoo, C.-H. Lee, J. B. Park, H. Baek, M. Kim, and G.-C. Yi, “Position- and Morphology-Controlled ZnO Nanostructures Grown on Graphene Layers”, Advanced Materials 24, 5565 (2012)

  20. H. Heo, K. Kang, D. Lee, L.-H. Jin, H. Baek, I. Hwang, M. Kim, H.-S. Lee, B.-J. Lee, G.-C. Yi, Y.-H. Cho, and M.-H. Jo, “Tunable Catalytic Alloying Eliminates Stacking Faults in Compound Semiconductor Nanowires”, Nano Letters 12, 855 (2012)

  21. C.-H. Lee, Y. J. Hong, Y.-J. Kim, J. Yoo, H. Baek, S.-R. Jeon, S.-J. Le, and G.-C. Yi “GaN/ZnO Nanotube Heterostructure Light-Emitting Diodes Fabricated on Si”, IEEE Journal of Selected Topics in Quantum Electronics 17, 966 (2010)
     

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