Alumni

1) D. K. Lee, S. Lee, H. Sim, Y. Park, S.-Y. Choi, J. Son*, “Piezo strain–controlled phase transition in single-crystalline Mott switches for threshold-manipulated leaky integrate-and-fire” Science Adv. 10, eadk8836 (2024)

1) D. K. Lee+, Y. Park+, H. Sim+, J. Park, Y. Kim, G.-Y. Kim, C.-B. Eom, S.-Y. Choi*, J. Son*, “Heterogeneous integration of single-crystalline rutile nanomembranes with steep phase transition on silicon substrates” Nature Commun. 12, 5019 (2021)

1) Y. Lee+, D. Yoon+, S. Yu, Y. Park, H. Sim, Y.-S. Nam, K.-J. Kim, S.-Y. Choi, Y. Kang, J. Son*, “Reversible manipulation of photoconductivity caused by surface oxygen vacancies in perovskite stannates with ultraviolet light” Adv. Mater. 34, 2107650 (2022)

2) D. Yoon, Y. Lee, G.-Y. Kim, Y. Kang, S.-Y. Choi, J. Son*, “Harnessing selective exsolution of Sn metal to enhance electrical conductivity in oxygen-deficient perovskite stannates” Adv. Funct. Mater. 31, 2105086 (2021)

3) D. Yoon, S. Yu, Y. Lee, Y. Park, J. Son*, “Simultaneous reduction of multi-dimensional defects in Sn-excess BaSnO3 epitaxial films induced by surface chemical reconstruction” Phys. Rev. Mater. 2, 014602 (2021)

4) S. Yu+, D. Yoon+, Y. Lee, H. Yoon, H. Han, N. Kim, C.-J. Kim, K. Ihm, T.-S. Oh and J. Son*, “Metal nanoparticle exsolution on perovskite stannate support with high electrical conductivity” Nano Lett. 20, 3538-3544 (2020)

5) Y. Park, H. Sim, M. Jo, G-Y. Kim, D. Yoon, H. Han, Y. Kim, K. Song, D. Lee, S.-Y. Choi and J. Son*, “Directional ionic transport across the oxide interface enables low-temperature epitaxy of rutile TiO2” Nature Commun. 11, 1401 (2020)

6) Y. Park, D. Yoon, K. Fukutani, R. Stania, J. Son*, “Steep-slope threshold switch enabled by pulsed-laser-induced phase transformation” ACS Appl. Mater. Interfaces 11, 24221-24229 (2019)

7) K. Kim+, H. Han+, T. Defferriere, D. Yoon, S. Na, S. J. Kim, A. M. Dayaghi, J. Son, T.-S. Oh, H. M. Jang*, G. M. Choi*, “Facet-dependent in-situ growth of nanoparticles in epitaxial thin films: The role of interfacial energy”, J. Am. Chem. Soc. 141, 7509-7517 (2019)

8) D. Yoon+, S. Yu+, J. Son*, “Oxygen vacancy-assisted recovery process for increasing electron mobility in n-type BaSnO₃ epitaxial thin films”, NPG Asia Mater. 10, 363-371 (2018)

9) Y. Kim, S. Yu, J. Park, D. Yoon, A.M. Dayaghi, K.J. Kim, J.S. Ahn, J. Son*, “High-throughput roll-to-roll fabrication of flexible thermochromic coatings for smart windows with VO₂ nanoparticles”, J. Mater. Chem. C, 6, 3451-3458 (2018)

10) S. Heo+, D. Yoon+, S. Yu, J. Son*, H.M. Jang*, “Non-volatile ferroelectric control of room-temperature electrical transport in perovskite oxide semiconductor La:BaSnO₃”, J. Mater. Chem. C 5, 11763-11768 (2017)

11) S. Yu, D. Yoon, J. Son* “Enhancing electron mobility in La-doped BaSnO₃ thin films by thermal strain to annihilate extended defects”, Appl. Phys. Lett. 108, 262101 (2016)

1) J. Kim+, Y. Kim+, O. F. N. Okello, S. Moon, J. Kim, S.-Y. Choi, J. Son*, J. K. Kim*, “Structural evolution of hexagonal boron nitride powder by Bead-milling”, Mater. Lett., 300, 130118 (2021)

2) Y. Park, H. Sim, M. Jo, G-Y. Kim, D. Yoon, H. Han, Y. Kim, K. Song, D. Lee, S.-Y. Choi and J. Son*, “Directional ionic transport across the oxide interface enables low-temperature epitaxy of rutile TiO₂” Nature Commun. 11, 1401 (2020)

3) C. Oh, M. Jo, J. Son*, “All-Solid-State Synaptic Transistor with High-Temperature Stability Using Proton Pump Gating of Strongly Correlated Materials”, ACS. Appl. Mater. Interfaces 11, 15733-15740 (2019)

4) M. Jo+, H.J. Lee+, C. Oh, H. Yoon, J.Y. Jo*, J. Son*, “Gate-induced massive and reversible phase transition of VO₂ channel using solid-state proton electrolytes”, Adv. Funct. Mater. 28, 1802003 (2018)

5) S. Lee, O. Kwon, M. Jeon, J. Song, S. Shin, H. M. Kim, M. Jo, T. Rim, J. Doh, S. Kim, J. Son, Y. Kim*, C. Kim*, “Super-resolution visible photo-activated atomic force microscopy”, Light: Sci. Appl. 6, e17080 (2017)

2) Y. Lee+, D. Yoon+, S. Yu, Y. Park, H. Sim, Y.-S. Nam, K.-J. Kim, S.-Y. Choi, Y. Kang, J. Son*, “Reversible manipulation of photoconductivity caused by surface oxygen vacancies in perovskite stannates with ultraviolet light” Adv. Mater. 34, 2107650 (2022)

3) D. K. Lee+, Y. Park+, H. Sim+, J. Park, Y. Kim, G.-Y. Kim, C.-B. Eom, S.-Y. Choi*, J. Son*, “Heterogeneous integration of single-crystalline rutile nanomembranes with steep phase transition on silicon substrates” Nature Commun. 12, 5019 (2021)

4) D. Yoon, S. Yu, Y. Lee, Y. Park, J. Son*, “Simultaneous reduction of multi-dimensional defects in Sn-excess BaSnO₃ epitaxial films induced by surface chemical reconstruction” Phys. Rev. Mater. 5, 014602 (2021)

5) C. Oh, I. Kim, J. Park, Y. Park, M. Choi*, J. Son*, “Deep proton insertion assisted oxygen vacancies for long-term memory in VO2 synaptic transistor” Adv. Electron. Mater. 7,200802 (2021)

6) N. Park+, Y. T. Kim+, Y. Park+, J. Y. Cho, S. S. Oh, J. Heo*, J. Son*, “Voltage-triggered insulator-to-metal transition of ALD NbOₓ thin films for two-terminal threshold switch” J. Mater. Chem. C, 8, 14365-14369 (2020)​​​​

7) Y. Park, H. Sim, M. Jo, G-Y. Kim, D. Yoon, H. Han, Y. Kim, K. Song, D. Lee, S.-Y. Choi and J. Son*, “Directional ionic transport across the oxide interface enables low-temperature epitaxy of rutile TiO₂” Nature Commun.​ 11, 1401 (2020)

8) Y. Park, D. Yoon, K. Fukutani, R. Stania, J. Son*, “Steep-slope threshold switch enabled by pulsed-laser-induced phase transformation” ACS Appl. Mater. Interfaces 11, 24221-24229 (2019)

1) D. K. Lee+, Y. Park+, H. Sim+, J. Park, Y. Kim, G.-Y. Kim, C.-B. Eom, S.-Y. Choi*, J. Son*, “Heterogeneous integration of single-crystalline rutile nanomembranes with steep phase transition on silicon substrates” Nature Commun. 12, 5019 (2021)

2) S.-M. Jung, S.-W. Run, J.-H. Kim, S.-H. You, J. Park, S. Lee, S. H. Chang, S. C. Chae, S. H. Joo, Y. Jung, J. Lee, J. Son, J. Snyder, V. Stamenkovic, N. M. Markovic, Y.-T. Kim*, “Selective electrocatalysis imparted by metal-insulator transition for durability enhancement of automotive fuel cells” Nature Catal. 3, 639-648 (2020)​​

1) Y. Lee+, D. Yoon+, Y.-S. Nam+, S. Yu, C. Lim, H. Sim, Y. Park, J. W. Han*, S.-Y. Choi*, J. Son*, “Accelerating metal nanoparticle exsolution by exploiting tolerance factor of perovskite stannate” Mater. Horiz. 11, 3835 (2024)

2) Y. Lee+, D. Yoon+, S. Yu, Y. Park, H. Sim, Y.-S. Nam, K.-J. Kim, S.-Y. Choi, Y. Kang, J. Son*, “Reversible manipulation of photoconductivity caused by surface oxygen vacancies in perovskite stannates with ultraviolet light” Adv. Mater. 34, 2107650 (2022)

3) D. Yoon, S. Yu, Y. Lee, Y. Park, J. Son*, “Simultaneous reduction of multi-dimensional defects in Sn-excess BaSnO₃ epitaxial films induced by surface chemical reconstruction” Phys. Rev. Mater. 5, 014602 (2021)

4) S. Yu+, D. Yoon+, Y. Lee, H. Yoon, H. Han, N. Kim, C.-J. Kim, K. Ihm, T.-S. Oh and J. Son*, “Metal nanoparticle exsolution on perovskite stannate support with high electrical conductivity” Nano Lett. 20, 3538-3544 (2020)

5) D. Yoon+, S. Yu+, J. Son*, “Oxygen vacancy-assisted recovery process for increasing electron mobility in n-type BaSnO₃ epitaxial thin films”, NPG Asia Mater. 10, 363-371 (2018)

6) Y. Kim, S. Yu, J. Park, D. Yoon, A.M. Dayaghi, K.J. Kim, J.S. Ahn, J. Son*, “High-throughput roll-to-roll fabrication of flexible thermochromic coatings for smart windows with VO₂ nanoparticles”, J. Mater. Chem. C, 6, 3451-3458 (2018)

7) S. Heo+, D. Yoon+, S. Yu, J. Son*, H.M. Jang*, “Non-volatile ferroelectric control of room-temperature electrical transport in perovskite oxide semiconductor La:BaSnO₃”, J. Mater. Chem. C 5, 11763-11768 (2017)

8) S. Yu, D. Yoon, J. Son* “Enhancing electron mobility in La-doped BaSnO3 thin films by thermal strain to annihilate extended defects”, Appl. Phys. Lett. 108, 262101 (2016)

9) M. Kang, S. Yu, J. Son*, “Voltage-induced insulator-to-metal transition of hydrogen-treated NbO2 thin films”,J. Phys. D: Appl. Phys. 48, 095301 (2015)

1) J. Park, C. Oh, J. Son*, “Anisotropic ionic transport-controlled synaptic weight update by protonation in VO2 transistor” J. Mater. Chem. C 9, 2521 (2021)

2) C. Oh, I. Kim, J. Park, Y. Park, M. Choi*, J. Son*, “Deep proton insertion assisted oxygen vacancies for long-term memory in VO₂ synaptic transistor” Adv. Electron. Mater. 7, 200802 (2021)

3) J. Park, H. Yoon, H. Sim, S.-Y. Choi and J. Son*, “Accelerated hydrogen diffusion and surface exchange by domain boundaries in epitaxial VO₂ thin films” ACS Nano 14, 2533-2541 (2020)

4) J. Park, G-Y. Kim, K. Song, S-Y. Choi*, J. Son*, “Self-assembly of correlated (Ti, V)O₂ superlattices with tunable lamella period by kinetically-enhanced spinodal decomposition”, NPG Asia Mater. 11, 32 (2019)

5) J. Park, H. Yoon, S-Y. Choi*, J. Son*, “Nanoscaffold WO₃ by kinetically Controlled Polymorphism”, Cryst. Growth. Des. 19, 479-486 (2019)

6) H. Yoon, J. Park, S.-Y. Choi, D. Lee, J. Son*, “Facet-dependent phase control by band filling and anisotropic electron-lattice coupling in HVO₂ epitaxial films”, Adv. Electron. Mater. 4, 1800128 (2018)

7) Y. Kim, S. Yu, J. Park, D. Yoon, A.M. Dayaghi, K.J. Kim, J.S. Ahn, J. Son*, “High-throughput roll-to-roll fabrication of flexible thermochromic coatings for smart windows with VO₂ nanoparticles”, J. Mater. Chem. C, 6, 3451-3458 (2018)

8) A. Khare, J. Lee, J. Park, G.Y. Kim, S.Y. Choi, T. Katase, S. Roh, T.S. Yoo, J. Hwang, H. Ohta , J. Son , and W. S. Choi*, “Directing Oxygen Vacancy Channels in SrFeO₂.₅ Epitaxial Thin Films”, ACS Appl. Mater. Interfaces, 10, 4831–4837 (2018)

1) J. Park, C. Oh, J. Son*, “Anisotropic ionic transport-controlled synaptic weight update by protonation in VO2 transistor” J. Mater. Chem. C 9, 2521 (2021)

2) C. Oh, I. Kim, J. Park, Y. Park, M. Choi*, J. Son*, “Deep proton insertion assisted oxygen vacancies for long-term memory in VO₂ synaptic transistor” Adv. Electron. Mater. 7, 200802 (2021)

3) J. Bak, H. B. Bae, C. Oh, J. Son*, S.-Y. Chung*, “Effect of Lattice Strain on the Formation of Ruddlesden-Popper Faults in Heteroepitaxial LaNiO₃ for Oxygen Evolution Electrocatalysis” J. Phys. Chem. Lett. 11, 7253-7260 (2020)

4) D. Seol, S. Kim, C. Oh, S.-Y. Heo, W.-S. Jang, H. Y. Jeong, Y.-M. Kim, J. Son, Y. Kim*, “Flexoelectric healing of intrinsically more conductive nanochannels in NdNiO₃ thin films” Appl. Surf. Sci. 497, 143727 (2019)

5) C. Oh, M. Jo, J. Son*, “All-Solid-State Synaptic Transistor with High-Temperature Stability Using Proton Pump Gating of Strongly Correlated Materials”, ACS. Appl. Mater. Interfaces 11, 15733-15740 (2019)

6) M. Jo+, H.J. Lee+, C. Oh, H. Yoon, J.Y. Jo*, J. Son*, “Gate-induced massive and reversible phase transition of VO₂ channel using solid-state proton electrolytes”, Adv. Funct. Mater. 28, 1802003 (2018)

7) G. Y. Song+, C. Oh+, S. Sinha, J. Son*, J. Heo*, “Facile phase control of multi-valent vanadium oxide thin films (V₂O₅ and VO₂) by atomic layer deposition and post-deposition annealing”, ACS Appl. Mater. Interfaces, 9, 23909 (2017)

8) S. Heo, C. Oh, J. Son*, H. M. Jang, “Influence of tensile-strain-induced oxygen deficiency on metal-insulator transitions in NdNiO₃_δ epitaxial thin films”, Sci. Rep. 7, 4681 (2017)

9) S. Heo, C. Oh, M. J. Eom, J. S. Kim, J. Ryu, J. Son*, H. M. Jang* “Modulation of metal-insulator transition by field-controlled strain in NdNiO₃/SrTiO₃/PMN-PT (001) heterostructures”, Sci. Rep. 6, 22228 (2016)

10) C. Oh, S. Heo, H. M. Jang, J. Son* “Correlated memory resistor in epitaxial NdNiO₃ heterostructures with asymmetrical proton concentration”, Appl. Phys. Lett. 108, 122016 (2016)

1) N. Park+, Y. T. Kim+, Y. Park+, J. Y. Cho, S. S. Oh, J. Heo*, J. Son*, “Voltage-triggered insulator-to-metal transition of ALD NbOₓ thin films for two-terminal threshold switch” J. Mater. Chem. C, 8, 14365-14369 (2020)

2) S.-J. Kim, I. Kim, S. Choi, H. Yoon, C. Kim, Y. Lee, C. Choi, J. Son, Y. W. Lee, J. Rho, B. Lee*, “Reconfigurable all-dielectric Fano metasurfaces for strong full-space intensity modulation of visible light” Nanoscale Horiz. 5, 1088-1095 (2020)

3) S. Yu+, D. Yoon+, Y. Lee, H. Yoon, H. Han, N. Kim, C.-J. Kim, K. Ihm, T.-S. Oh and J. Son*, “Metal nanoparticle exsolution on perovskite stannate support with high electrical conductivity” Nano Lett. 20, 3538-3544 (2020)

4) J. Park, H. Yoon, H. Sim, S.-Y. Choi and J. Son*, “Accelerated hydrogen diffusion and surface exchange by domain boundaries in epitaxial VO₂ thin films” ACS Nano 14, 2533-2541 (2020)

5) H. Yoon, Y. Kim, E. J. Crumlin, D. Lee, K. Ihm*, J. Son*, “Direct probing of oxygen loss from the surface lattice of correlated oxides during hydrogen spillover” J. Phys. Chem. Lett. 10, 7285-7292 (2019)

6) J. Park, H. Yoon, S-Y. Choi*, J. Son*, “Nanoscaffold WO₃ by kinetically Controlled Polymorphism”, Cryst. Growth. Des. 19, 479-486 (2019)

7) M. Jo+, H.J. Lee+, C. Oh, H. Yoon, J.Y. Jo*, J. Son*, “Gate-induced massive and reversible phase transition of VO₂ channel using solid-state proton electrolytes”, Adv. Funct. Mater. 28, 1802003 (2018)

8) H. Yoon, J. Park, S.-Y. Choi, D. Lee, J. Son*, “Facet-dependent phase control by band filling and anisotropic electron-lattice coupling in HVO₂ epitaxial films”, Adv. Electron. Mater. 4, 1800128 (2018)

9) ​H. Yoon+, M. Choi+, T.-W. Lim, H. Kwon, K. Ihm, J.-K. Kim, S.-Y. Choi, J. Son* “Reversible phase modulation and hydrogen storage in multivalent VO₂ epitaxial thin films”, Nature Mater. 15, 1113 (2016)

1) S. Yu+, D. Yoon+, Y. Lee, H. Yoon, H. Han, N. Kim, C.-J. Kim, K. Ihm, T.-S. Oh and J. Son*, “Metal nanoparticle exsolution on perovskite stannate support with high electrical conductivity” Nano Lett. 20, 3538-3544 (2020)

2) Y. Park, H. Sim, M. Jo, G-Y. Kim, D. Yoon, H. Han, Y. Kim, K. Song, D. Lee, S.-Y. Choi and J. Son*, “Directional ionic transport across the oxide interface enables low-temperature epitaxy of rutile TiO₂” Nature Commun. 11, 1401 (2020)

3) K. Kim+, H. Han+, T. Defferriere, D. Yoon, S. Na, S. J. Kim, A. M. Dayaghi, J. Son, T.-S. Oh, H. M. Jang*, G. M. Choi*, “Facet-dependent in-situ growth of nanoparticles in epitaxial thin films: The role of interfacial energy”, J. Am. Chem. Soc. 141, 7509-7517 (2019)

4) H. Han, D. Kim, S. Chae, J. Park, S. Y. Nam, M. Choi, K. Yong, H. J. Kim, J. Son*, H. M. Jang*, “Switchable Ferroelectric Photovoltaic Effects in Epitaxial h-RFeO₃ Thin Films”, Nanoscale 10, 13261 (2018)

1) M. Kang, J. Son* “Off-state current reduction in NbO₂-based selector device by using TiO₂ tunneling barrier as an oxygen scavenger”, Appl. Phys. Lett. 109, 202101 (2016)

2) M. Kang, S. Yu, J. Son*, “Voltage-induced insulator-to-metal transition of hydrogen-treated NbO₂ thin films”,J. Phys. D: Appl. Phys. 48, 095301 (2015)

1) S. Heo+, D. Yoon+, S. Yu, J. Son*, H.M. Jang*, “Non-volatile ferroelectric control of room-temperature electrical transport in perovskite oxide semiconductor La:BaSnO₃”, J. Mater. Chem. C 5, 11763-11768 (2017)

2) S. Heo, C. Oh, J. Son*, H. M. Jang, “Influence of tensile-strain-induced oxygen deficiency on metal-insulator transitions in NdNiO₃_δ epitaxial thin films”, Sci. Rep. 7, 4681 (2017)

3) S. Heo, C. Oh, M. J. Eom, J. S. Kim, J. Ryu, J. Son*, H. M. Jang* “Modulation of metal-insulator transition by field-controlled strain in NdNiO₃/SrTiO₃/PMN-PT (001) heterostructures”, Sci. Rep. 6, 22228 (2016)

4) C. Oh, S. Heo, H. M. Jang, J. Son* “Correlated memory resistor in epitaxial NdNiO₃ heterostructures with asymmetrical proton concentration”, Appl. Phys. Lett. 108, 122016 (2016)