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Ferroelectricity is observed in hexagonal boron nitride(hBN) through control of the registry of stacked layers, which we explore through both amplitude-modulated and sideband Kelvin probe force microscopy (KPFM) on the Park FX40 automatic AFM.

A schematic of the formation of parallel stacked bilayer hBN is shown in addition to a contact potential difference map measured using sideband KPFM.

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Ferroelectricity is observed in hexagonal boron nitride(hBN) through control of the registry of stacked layers, which we explore through both amplitude-modulated and sideband Kelvin probe force microscopy (KPFM) on the Park FX40 automatic AFM.

A schematic of the formation of parallel stacked bilayer hBN is shown in addition to a contact potential difference map measured using sideband KPFM.

Image caption

Image caption

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2. 김승민(John Park).jpg
Luna Kim

RE Application Technology Team, Park Systems Corporation

Luna Kim is a member of the Application Technology Team in the Research Equipment Division at Park Systems. In this role, she supports advanced application development and technical solutions for atomic force microscopy (AFM) systems across a range of research fields.

She works closely with researchers and industry partners to optimize measurement methodologies and enhance data reliability for complex materials and device characterization. With expertise in AFM operation and analysis, she contributes to delivering practical insights that bridge research needs and instrument capabilities.