Wonjong Kim

Cette personne a quitté l’EPFL

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Publications associées (31)

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Bi-stability of contact angle and its role in tuning the morphology of self-assisted GaAs nanowires

Anna Fontcuberta i Morral, Gözde Tütüncüoglu, Martin George Friedl, Wonjong Kim, Jean-Baptiste Leran, Luca Francaviglia, Lucas Güniat, Heidi Andrea Potts, Jelena Vukajlovic Plestina

We demonstrate the existence of two stable contact angles for the gallium droplet on top of self-assisted GaAs nanowires grown by MBE on patterned silicon substrates. Contact angle around 130 degrees fosters a continuous increase in the nanowire radius, wh ...

IEEE2018

Generation of Human iPSC‐Derived Neurons on Nanowire Arrays Featuring Varying Lengths, Pitches, and Diameters (Adv. Mater. Interfaces 24/2022)

Anna Fontcuberta i Morral, Wonjong Kim

Generation of Human iPSC-Derived Neurons on Nanowire Arrays Human induced pluripotent stem cells (iPSCs) are used to generate functional neurons while being cultured on nanowire arrays. The variation of the substrate geometries such as nanowire length and ...

Wiley2022

Optimizing the yield of A-polar GaAs nanowires to achieve defect-free zinc blende structure and enhanced optical functionality

Anna Fontcuberta i Morral, Gözde Tütüncüoglu, Martin George Friedl, Heidi Andrea Potts, Jean-Baptiste Leran, Wonjong Kim, Mahdi Zamani, Luca Francaviglia, Lucas Güniat, Lea Ghisalberti

2018

Dataset for "Measuring the Optical Absorption of Single Nanowires"

Anna Fontcuberta i Morral, Wonjong Kim, Simon Robert Escobar Steinvall

In this work we present a method to quantitatively measure the optical absorption of single nanowires that can be applied over a wide range of temperatures and with a high enough sensitivity to enable the measurement of below-band-gap absorption (as well a ...

Zenodo2020

Facet-driven formation of axial and radial In(Ga)As clusters in GaAs nanowires

Anna Fontcuberta i Morral, Wonjong Kim, Jean-Baptiste Leran, Nicolas Tappy, Martin George Friedl, Lucas Güniat, Didem Dede, Nicholas Paul Morgan, Santhanu Panikar Ramanandan, Akshay Balgarkashi

Raw dataset and image files used for the publication ...

2020

Accompanying dataset to ACS Appl. Nano Mater. 2022, 5, 4, 5508–5515 : Nanoscale Mapping of Light Emission in Nanospade-Based InGaAs Quantum Wells Integrated on Si(100): Implications for Dual Light-Emitting Devices

Anna Fontcuberta i Morral, Wonjong Kim, Jean-Baptiste Leran, Nicolas Tappy, Didem Dede, Nicholas Paul Morgan, Valerio Piazza, Akshay Balgarkashi, Raphaël François Lemerle

Accompanying dataset containing the raw data and analysis contained in the main publication. This comprises the fitted CL-SEM dataset, the CL-STEM dataset, the CL-SEM presented in the SI and the STEM-EDX linescans. ...

Zenodo2022

Engineering the Size Distributions of Ordered GaAs Nanowires on Silicon

Anna Fontcuberta i Morral, Gözde Tütüncüoglu, Martin George Friedl, Wonjong Kim, Heidi Andrea Potts, Jelena Vukajlovic Plestina, Maxime Lagier

Reproducible integration of III-V semiconductors on silicon can open new path toward CMOS compatible optoelectronics and novel design schemes in next generation solar cells. Ordered arrays of nanowires could accomplish this task, provided they are obtained ...

2017

Wonjong Kim

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Bi-stability of contact angle and its role in tuning the morphology of self-assisted GaAs nanowires

Generation of Human iPSC‐Derived Neurons on Nanowire Arrays Featuring Varying Lengths, Pitches, and Diameters (Adv. Mater. Interfaces 24/2022)

Optimizing the yield of A-polar GaAs nanowires to achieve defect-free zinc blende structure and enhanced optical functionality

Dataset for "Measuring the Optical Absorption of Single Nanowires"

Facet-driven formation of axial and radial In(Ga)As clusters in GaAs nanowires

Accompanying dataset to ACS Appl. Nano Mater. 2022, 5, 4, 5508–5515 : Nanoscale Mapping of Light Emission in Nanospade-Based InGaAs Quantum Wells Integrated on Si(100): Implications for Dual Light-Emitting Devices

Engineering the Size Distributions of Ordered GaAs Nanowires on Silicon

Imaging Stray Magnetic Field of Individual Ferromagnetic Nanotubes

III–V Integration on Si(100): Vertical Nanospades

Anisotropic-Strain-Induced Band Gap Engineering in Nanowire-Based Quantum Dots

Bistability of Contact Angle and Its Role in Achieving Quantum-Thin Self-Assisted GaAs nanowires