Microscope-based Nanoscale Physics Lab.

2024

Sangmin An (Invited), “Atomic force microscope-based analysis of the nanoscale materials and fabrication of the microscale probes”, 9th International Symposium on Practical Surface Analysis 2024, Busan, Korea, 23.11.17~11.22.

Yeonju Bae†, Hojin Jang†, Taesun Yun, Jongwoo Kim*, Sangmin An*, “Atomic force microscope-guided 3D printed carbon nanotube nanowires with in situ Raman spectroscopy”, 9th International Symposium on Practical Surface Analysis 2024, Busan, Korea, 23.11.17~11.22.

Jaehoon Sah, Seungtae Leem, Seungwon Choi, Sangmin An, “Development of a hybrid quartz tuning fork-atomic force microscope combined with a scanning electron microscope”, 9th International Symposium on Practical Surface Analysis 2024, Busan, Korea, 23.11.17~11.22.

Namryeol Kim, Eunyeong Lee, Sooyeon Ra, Sukang Bae, Sang Kyu Park, Sangmin An*, Dong Su Lee*, “Mechanical properties of CVD graphene membranes transferred to Si/Si3N4 wafer with through-holes”, Korean Physical Society Fall meeting 2024, Yeosu, Korea, 23.10.22~10.26.

Sangmin An (튜토리얼), “Atomic force microscope-based research on the nanoscale materials and their applications”, Korean Vacuum Society Winter meeting 2022, Jeju, Korea, 24.08.18~08.21.

Jaehoon Sah, Sangmin An, “Mechanical response of a quartz tuning fork interacted by a scanning electron microscope”, 5th International Workshop on Scanning Probe Microscope, Pohang, Korea, 24.8.28~8.30.

Namryeol Kim, Sangmin An*, Dong Su Lee*, “Negative pressure-induced strain engineering of the graphene drum head placed on the silicon nitride grid hole”, 5th International Workshop on Scanning Probe Microscope, Pohang, Korea, 24.8.28~8.30.

Taesun Yun, Dokyum Kim, Dong gwon Heo, Chang-Lyoul Lee*, and Hongseok Lee*, and Sangmin An*, “Direct synthesized lead halide perovskite nanowire by using a pipette-combined atomic force microscope with increasing stability by coating Parylene-C”, 5th International Workshop on Scanning Probe Microscope, Pohang, Korea, 24.8.28~8.30.

Yeongseo Kim, Daekwon Lee, Jeongyeon Go, Heesuk Rho*, Sangmin An*, “Fabrication enhancement for versatile application of photoresist structures in 2D material-based devices”, 5th International Workshop on Scanning Probe Microscope, Pohang, Korea, 24.8.28~8.30.

Yeonju Bae†, Hojin Jang†, Taesun Yun, Jongwoo Kim*, and Sangmin An*, “Nanoscale patterning of CNTs using a pipette-combined QTF-AFM with in situ Raman Spectroscopy”, 5th International Workshop on Scanning Probe Microscope, Pohang, Korea, 24.8.28~8.30.

Sangmin An, “Recent progress of the atomic force microscopy for research on the low-dimensional materials including fabrication of a microscale probe”, The 21st International Symposium on the Physics of Semiconductors and Applications, Jeju, Korea, 24.06.02~06.06.

Yeonju Bae, Sangmin An, “QTF-AFM guided 3D printing of fluorescent dye and in situ Raman spectroscopy”, Korean Physical Society Spring meeting 2024, Daejeon, Kora, 24.04.23~04.26.

Sangmin An, “Atomic force microscope-based 3D printing of nanomaterials and in situ Raman spectroscopy”, Korean Physical Society Spring meeting 2024, Daejeon, Korea, 24.04.23~04.26.

Sangmin An (튜토리얼), “원자힘 현미경을 이용한 나노물질 분석 기술 및 응용”, Korean Vacuum Society Winter meeting 2022, PyeongChang, Korea, 24.02.14~02.16.

2023

Sangmin An, “Atomic force microscope-based analysis of the low-dimensional materials and their applications”, Korean Physical Society Fall meeting 2023, Changwon, Korea, 23.10.24~10.27.

Sangmin An, “Atomic force microscope for nanoscale surface analysis and their applications”, Korean Vacuum Society Summer meeting 2023, Jeju, Korea, 23.08.20~08.23.

Sangmin An, “Atomic force microscope-guided nanoscale 3D printing of quantum dots and in situ Raman spectroscopy”, The 14th Asia-Pacific Conference on Near-Field Optics 2023, Pusan, Korea, 23.06.19~06.22.

Sangmin An, “Atomic force microscope-based nanoscale 3D printing of quantum dots”, Compound Semiconductor Week 2023, Jeju, Korea, 23.05.29~06.02.

Yunjo Jeong, Sangmin An, Jangyup Son, “Spontaneous Self-Folding of Monolayer Graphene by Thermal Treatment”, IEEE Electron Devices Technology and Manufacturing 2023, Seoul, Korea, 23.05.07~05.10.

Sangmin An, “Ejection of quantum dot solution through nanoscale aperture by using an atomic force microscope-combined nanopipette”, Korean Physical Society Spring meeting 2023, Daejeon, Korea, 23.04.19~04.21.

Sangmin An, “Tunable Nucleation Morphology of Gold Nanoparticles on Monolayer Fluorinated Graphene”, DPG Spring Meeting of the Condensed Matter Section (SKM) 2023, Dresden, Germany, 23.03.26~03.31.

Hyeongwoo Lee, Yeonjeong Koo, Shailabh Kumar, Yunjo Jeong, Soo Ho Choi, Huitae Joo, Mingu Kang, Radwanul Siddique, Ki Kang Kim, Sangmin An, Hyuck Choo, Kyoung-Duck Park, “All-optical control of ultrathin trionic waveguide”, APS March Meeting 2023, Las Vegas, USA, 23.03.05~03.10.

Yunjo Jeong, Sangmin An, and Jangyup Son, “Tunable Nucleation Morphology of Gold Nanoparticles on Monolayer Fluorinated Graphene”, 30th Korean Conference on Semiconductors, Jeongseon, Korea, 23.02.13~02.15.

Sangmin An, “3-dimensional nanoscale printing of quantum dot via an atomic force microscope”, Korean Vacuum Society Winter meeting 2022, Hoengseong, Korea, 23.02.08~02.10.

Sangmin An, “Atomic force microscope-guided Nanoscale 3D Printing Technology of Quantum Dot”, 2nd Winter Workshop on the semiconductor physics of Korea Physical Society, Seoul, Korea, 23.01.16~01.17.

2022

Sangmin An, “Study on zero- or two-dimensional nanomaterials revealed by an atomic force microscope”, 2022 Korea Society of Surface Analysis Conference, Daejeon, Korea, 22.11.22~11.24.

Namryeol Kim, Hyeonsu Kim, Yeongseo Kim, Cheolu baek, Yunjo Jung, Harok Jeong, and Sangmin An, “Surface analysis of fluorinated graphene via AFM”, 2022 Korea Society of Surface Analysis Conference, Daejeon, Korea, 22.11.22~11.24.

Sooyeon Ra, Yunjo Jeong, Hoon Jang*, and Sangmin An*, “Study on gelatin biomaterials for embryonic stem cell culture by measuring Young's Modulus using an atomic force microscope”, 2022 Korea Society of Surface Analysis Conference, Daejeon, Korea, 22.11.22~11.24.

Jaehoon Sah, Seungwon Choi, Namryeol Kim, Yunjo Jeong, Jangyup Son, and Sangmin An*, “Patterning and measuring fluorinated graphene by using an atomic force microscope”, 2022 Korea Society of Surface Analysis Conference, Daejeon, Korea, 22.11.22~11.24.

Sangmin An, “AFM-based 0D, 2D Materials Research”, International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE 2022), Jeju, Korea, 22.11.6~11.9.

Yunjo Jeong, Sangmin An, Jangyup Son, “Tunable Nucleation Morphology of Gold Nanoparticles on Monolayer Fluorinated Graphene”, International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE 2022), Jeju, Korea, 22.11.6~11.9.

Taesun Yun, Sangmin An, “3D CdSe quantum dot microwire printing in two dimensional MoS2 monolayer using micropipette-combined QTF-AFM”, Korean Ceramic Society 2021 Fall Meeting, Seoul, Korea, 22.10.26~10.28.

Hojin Jang, Sangmin An, “Patterning dot lattice formation of CdSe quantum dot on MoS2 monolayer by using micropipette-combined QTF-AFM and E-filed”, Korean Ceramic Society 2021 Fall Meeting, Seoul, Korea, 22.10.26~10.28.

Sangmin An, “Atomic force microscope-based study on the 0D, 2D nanometerials”, 2022 Korean Physical Society Autumn Meeting, Pusan, Korea, 22.10.19~10.21.

Sangmin An, “Research on 0D and 2D nanomaterials by using atomic force microscope”, 3rd International Workshop on Scanning Probe Microscope, Pohang, Korea, 22.8.29~8.31.

Namryeol Kim, Hyeonsu Kim, Yeongseo Kim, Cheolu baek, Yunjo Jung, Harok Jeong, and Sangmin An, “Study on the classification of surface properties of fluorinated graphene via AFM”, 3rd International Workshop on Scanning Probe Microscope, Pohang, Korea, 22.8.29~8.31.

Sooyeon Ra, Yunjo Jeong, Hoon Jang*, and Sangmin An*, “Study on gelatin biomaterial for embryonic stem cell cultivation by measuring Young’s modulus via an atomic force microscope”, 3rd International Workshop on Scanning Probe Microscope, Pohang, Korea, 22.8.29~8.31.

Taesun Yun, Yong Bin Kim, Taegeon Lee, Heesuk Rho, Hojin Jang, Hyeongwoo Lee, Kyoung-Duck Park, Hong Seok Lee*, and Sangmin An*, “3D microwire fabrication of CdSe quantum dot using Micropipette-combined QTF-AFM and in situ Raman spectroscopy”, 3rd International Workshop on Scanning Probe Microscope, Pohang, Korea, 22.8.29~8.31.

Sangmin An, “Atomic force microscope-based engineering of zero and two-dimensional materials”, 2022 Korean Vacuum Society Summer Meeting, Jeju, Korea, 22.8.17~8.19.

Namryeol Kim, Hyeonsu Kim, Jangyup Son, and Sangmin An, “Identification of the number of graphene layers and absence of fluorine layer on fluorinated graphene with partially removed thin film via AFM”, 2022 Korean Physical Society Spring Meeting, Virtual Meeting, Korea, 22.4.20~4.22.

Taesun Yun, Sangmin An, “Fabrication of the quantum dot-stacked microscale wires by using a micropipette-combined QTF-AFM and optical setup”, 2022 Korean Physical Society Spring Meeting, Virtual Meeting, Korea, 22.4.20~4.22.

Chungman, Kim, Jaewon Shim, Joon-Hyuk Ko, Sangmin An, Manhee Lee, David Weitz, and Wonho Jhe, “Rheology at multi-scales from bulk to micro to nano”, 2022 Korean Physical Society Spring Meeting, Virtual Meeting, Korea, 22.4.20~4.22.

Hyeongwoo Lee, Yeonjeong Koo, Shailabh Kumar, Soo Ho Choi, Radwanul H. Siddique, Mingu Kang, Ki Kang Kim, Sangmin An, Hyuck Choo* and Kyoung-Duck Park, “Complete trion conversion and waveguiding in atomically thin semiconductors”, 2022 Korean Physical Society Spring Meeting, Virtual Meeting, Korea, 22.4.20~4.22.

Sangmin An, “Atomic Force Microscope-Based Study on the 0D and 2D Nanomaterials”, 3rd International Conference on Materials Science & Engineering, Boston, USA, 22.4.18~4.22.

Sangmin An*, Yunjo Jeong, Jangyup Son, Hyeonsu Kim, Taesun Yun, Namleayl Kim, Sooyeon Ra, “Introduction to atomic force microscope-based techniques for graphene applications”, Korean Vacuum Society Winter meeting 2022, Hoengseong, Korea, 22.2.16~2.18.

Hyeongwoo Lee, Yeonjeong Koo, Shailabh Kumar, Soo Ho Choi, Radwanul H. Siddique, Mingu Kang, Ki Kang Kim, Sangmin An, Hyuck Choo, Kyoung-Duck Park, “Complete exciton-to-trion conversion and waveguiding in atomically thin semiconductors”, 33rd Winter Annual Conference of Optical Society of Korea, Daejeon, Korea, 22.2.16~2.18.

Taesun Yun, Yong Bin Kim, Taegeon Lee, Ayoung Choi, Hee-Suk Rho, Hyeongwoo Lee, Kyoung-Duck Park, Hong Seok Lee*, and Sangmin An*, “Fabrication of the quantum dot-aggregated microscale wires by using a micropipette-combined QTF-AFM and optical apparatus”, 1st Winter workshop on Semiconductor Physics of KPS, Virtual meeting, Korea, 22.2.9~2.11.

Namryeol Kim, Hyeonsu Kim, Sooyeon Ra, Jangyup Son, Sangmin An, “Removal of thin film of fluorinated grapheme via atomic force microscopy and identification of the number of graphene layers including absence of fluorine layer”, 1st Winter workshop on Semiconductor Physics of KPS, Virtual meeting, Korea, 22.2.9~2.11.

2021

Sangmin An, “Research on the 0D and 2D nanomaterials via atomic force microscope”, 35th Surface Cleaning Users Group Meeting (Workshop on Metrology and Inspection for Semiconductor and Display Processes), On-line, Korea, 21.12.16.

Hyeonsu Kim, Sangmin An, Dong-Su Lee, “High bias electrical properties of metallic and semiconducting single-walled carbon nanotubes on two different substrates”, ICAMD 2021, Jeju, Korea, 21.12.06~12.10.

Sangmin An, “Atomic force microscope-based study on the nanomaterials, especially nanoscale liquids”, ICAMD 2021, Jeju, Korea, 21.12.06~12.10.

Sangmin An, “Atomic force microscope-based study on the 0D and 2D nanomaterials”, 2021 Workshop on the semiconductor and thin film of Korean Vacuum Society, Kunsan, Korea, 21.12.03~12.04.

Sangmin An, “Quartz tuning fork-based atomic force microscopy for analyzing nanoscale liquids and their applications”, ICAE 2021, Jeju, Korea, 21.11.09~11.12.

Dongguen Heo, Sangmin An, “Checking oscillation behavior of one prong of quartz tuning fork while the other prong interacts on the surface in a viewpoint of coupled harmonics”, ICAE 2021, Jeju, Korea, 21.11.09~11.12 (Presentation award).

Namryeol Kim, Sangmin An, “Study on working function of the fluorinated graphene via a machine learning combined Kelvin probe force microscopy”, ICAE 2021, Jeju, Korea, 21.11.09~11.12.

Taesun Yoon, Sangmin An, “Micropipette-based atomic force microscope for the microscale 3D printing of quantum dot and in situ Raman spectroscopy”, ICAE 2021, Jeju, Korea, 21.11.09~11.12.

Yunjo Jeong, Jangyup Son, Sangmin An, “Naturally overlapped bilayer graphene by heat treatment”, Korean Ceramic Society 2021 Autumn Meeting, Jeju, Korea, 21.11.03~11.05.

Hyeonsu Kim, Sangmin An, “Potential gradient of the fluorinated graphene via an atomic force microscopy”, KPS Autumn meeting 2021, virtual meeting, Korea, 21.10.20 ~ 10.22.

Sangmin An, “Nanoscale water properties by using an atomic force microscopy”, 12th International Fundamental Science Congress, Selangor Darul Ehsan, Malaysia, 21.08.24 ~ 08.26.

Seongoh Kim, Yunkyung Lee, Manhee Lee, Sangmin An* and Sang‐Joon Cho*, “Measuring Young’s modulus of soft materials via an atomic force microscope”, Korean Vacuum Society Summer meeting 2021, virtual meeting, Korea, 21.08.18 ~ 08.20.

Hyeonsu Kim, Sangmin An, “Sensing mechanical response of the tens of water molecules”, KPS spring meeting 2021, virtual meeting, Korea, 21.04.21 ~ 04.23.

Sangmin An, “Buckling tip-based atomic force microscope for nonlinear sensor, negative elasticity, nanoscratching, and nanolithography”, KPS spring meeting 2021, virtual meeting, Korea, 21.04.21 ~ 04.23.

Sangmin An, “Exploring nanoscale liquid via an atomic force microscope”, Seminar (Invited), Department of Chemistry, Jeonbuk National University, South Korea, 21.04.08.

Sangmin An, “AFM-based study of nanoscale liquid and 3D printing”, Semiconductor Forum, Korean Physical Society, Virtual Meeting, 21.04.02.

Donggwon Heo, Sangmin An, “Probe-type nanolithography by using a nanopipette-based quartz tuning fork-atomic force microscope”, 60th Winter Annual Conference of the Korean Vacuum Society, Virtual Conference, Korea, 21.02.04 ~ 02.06.

Taesun Yun, Sangmin An, “Fabrication of carbon nanotube fiber using a nanopipette-combined QTF-AFM”, 60th Winter Annual Conference of the Korean Vacuum Society, Virtual Conference, Korea, 21.02.04 ~ 02.06.

Hyeonsu Kim, Sangmin An, “Research on the nanoscale water by using a quartz tuning fork-based atomic force microscope”, 60th Winter Annual Conference of the Korean Vacuum Society, Virtual Conference, Korea, 21.02.04 ~ 02.06.

Sangmin An, “Low dimensional soft matter physics by using an atomic force microscope”, 60th Winter Annual Conference of the Korean Vacuum Society, Virtual Conference, Korea, 21.02.04 ~ 02.06.

Sangmin An, “Atomic force microscope-based study on the nanoscale water and applications”, Nano Convergence Conference 2021, Gwangju (Gyounggi-do), Korea, 21.01.19 ~ 01.20.

2020

Sangmin An (Invited talk), “원자힘 현미경에 기반한 나노 연성물질 연구”, Korean Ceramic Society 2020 Fall Meeting, Daejeon, Korea, 20.11.23 ~ 11.25.

Sangmin An (Invited talk), “Research on a condensed soft matter physics by using a quartz tuning fork atomic force microscope ”, Korean Society of Microscopy 2020 Fall Meeting, Pyeongchang, Korea, 20.11.12 ~ 11.13.

Sangmin An (Invited talk), “Nanopipette/QTF-AFM-based Nanofabrication and Surface Characterization”, Korean Physical Society 2020 Fall meeting, Virtual Conference, Korea, 20.11.04 ~ 11.06. 

Sangmin An and Wonho Jhe, “Nanofabrication and Sensor by using a nanopipette/nanorod-combined quartz tuning fork atomic force microscope”, KPS Spring meeting 2020, Virtual Conference, Korea, 20.07.13 ~ 07.15.

Sangmin An and Wonho Jhe, “Buckling-tip based nanolithography with in situ dynamic force measurement via a nanopiptte-combined quartz tuning fork-atomic force microscopy”, Nano Convergence Conference 2020, Chunchyun, Korea, 20.01.16 ~ 01.17.

2019

Sangmin An and Wonho Jhe, “Study on the low dimensional liquid with a quartz tuning fork-based atomic force microscopy”, KPS fall meeting 2019, Gwangju, Korea, 19.10.23 ~ 10.25.

Sangmin An and Wonho Jhe, “Investigation of the low dimensional water with a quartz tuning fork-atomic force microscopy”, Noncontact AFM 2019, Regensburg, Germany, 19.07.29 ~ 08.02.

Jonggeun Hwang, Donghyun Won, Sangmin An, Dongha Shin, Wonho Jhe, “pH Measurement of the Nano-confined Water using Tip-enhanced Raman Spectroscopy”, Noncontact AFM 2019, Regensburg, Germany, 19.07.29 ~ 08.02.

Sangmin An, Manhee Lee, Bongsu Kim, Jonggeun Hwang, and Wonho Jhe, “Nanocale confined water and surface roughness-induced stick-slip friction”, Nanokorea 2019, Ilsan, South Korea, 19.07.03 ~ 07.05. 

Jonggeun Hwang, Donghyun Won, Sangmin An, Dongha Shin, and Wonho Jhe, “Investigation of the interaction of a nano-confined water and a visible laser using QTF-TERS”, Nanokorea 2019, Ilsan, South Korea, 19.07.03 ~ 07.05. 

Sangmin An, Manhee Lee, and Wonho Jhe (Organizing Focus Session), “Micro/Nano fluidics: Physics and Applications”, KPS 2019 Spring Meeting (Focus Session), Daejeon, South Korea, 19.04.24 ~ 04.26. 

Jaewon Shim, Dohyun Kim, Hoyoung Seo, Sangmin An, and Wonho Jhe, “Measuring Dynamics of the Nanoscale Water Meniscus on Mica and HPOG surface via Quartz Tuning Fork based Atomic Force Microscopy”, KPS 2019 Spring Meeting, Daejeon, South Korea, 19.04.24 ~ 04.26. 

Jonggeun Hwang, Sangmin An, Dongha Shin, and Wonho Jhe, “Investigation of the interaction of a nano-confined water and a visible laser using tuning fork based AFM-TERS”, KPS 2019 Spring Meeting, Daejeon, South Korea, 19.04.24 ~ 04.26. 

Sunghoon Hong, Chungman Kim, Hansol Song, Sangmin An, Hosang Yoon, and Wonho Jhe, “Measuring Dielectrophoresis Force Using Quartz Tuning Fork System and Particle Sorting”, KPS 2019 Spring Meeting, Daejeon, South Korea, 19.04.24 ~ 04.26. 

Sangmin An, “나노물의 특이성 탐구”, Seminar (Invited), Department of Physics, Gachon University, South Korea, 19.04.10. 

Seongsoo Kim, Dohyun Kim, Jongwoo Kim, Sangmin An and Wonho Jhe, “Curvature Dependence of Surface Tension and Test of Kelvin Equation at Molecular Scale”, APS March Meeting 2019, Boston, USA, 19.03.04 ~ 03.08. 

Sangmin An and Wonho Jhe, “Nanolithography/nanoscratching techniques with in situ dynamic force measurement via a nanopiptte/nanorod-combined quartz tuning fork-atomic force microscopy”, Nano Convergence Conference 2019, Chunchyun, Korea, 19.01.17 ~ 01.18. 

Sangmin An, “Exploring to the world of Nanoscale Liquid”, Seminar (Invited), Sejong University, South Korea, 19.01.11.

2018

Sangmin An, “Atomic force microscopy-based research on the nanoscale water”, Seminar (Invited), Chungbuk National University, South Korea, 18.12.20.

Dohyun Kim, Seongsoo Kim, Jongwoo Kim, Sangmin An and Wonho Jhe, “Experimental verification of curvature-dependent surface tension in nanoscale”, 1st International Workshop on QTF-AFM 2018 (invited), Seoul, South Korea, 18.12.06 ~ 12.07. 

Sangmin An and Wonho Jhe, “Nanopipette/nanorod-combined quartz tuning fork atomic force microscope”, 1st International Workshop on QTF-AFM 2018 (invited), Seoul, South Korea, 18.12.06 ~ 12.07. 

Sangmin An, Manhee Lee, Youngho Seo, and Wonho Jhe (Organizing Workshop), 1st International Workshop on QTF-AFM 2018 (invited), Seoul, South Korea, 18.12.06 ~ 12.07. 

Sangmin An, Manhee Lee, and Wonho Jhe, “Measuring viscoelastivity of the confined nanoscale water meniscus with Active-Q control”, KPS 2018 fall meeting, Changwon, South Korea, 18.10.24 ~ 10.26. 

Jaewon Shim, Sangmin An, Joon-Hyuk Ko, and Wonho Jhe, “Mechanical properties of water nanomeniscus on the hydrophobic surface”, KPS 2018 fall meeting, Changwon, South Korea, 18.10.24 ~ 10.26. 

Sunghoon Hong, Chungman Kim, Hansol Song, Sangmin An, and Wonho Jhe, “Measuring Dielectrophoresis(DEP) Force Using Quartz Tuning Fork(QTF)-AFM System & Sorting Particles Using DEP Force”, KPS 2018 fall meeting, Changwon, South Korea, 18.10.24 ~ 10.26. 

Chungman Kim, Sunghoon Hong, Hansol Song, Hosang Yoon, Sangmin An, and Wonho Jhe, “Sorting and in situ delivery of nanoparticles via atomic force microscope-based dielectrophoresis”, KPS 2018 fall meeting, Changwon, South Korea, 18.10.24 ~ 10.26. 

Dohyun Kim, Seongsoo Kim, Jongwoo Kim, Sangmin An, and Wonho Jhe, “Curvature effect on surface tension of water”, KPS 2018 fall meeting, Changwon, South Korea, 18.10.24 ~ 10.26. 

Sangmin An (1st author), Manhee Lee (1st author), and Wonho Jhe, “Mechanical properties measurement of the nanoscale ionic liquid by using atomic force microscope”, EuCheMSIL 2018, Lisbon, Portugal, 18.10.7 ~ 10.12. 

Manhee Lee, Bongsu Kim, Jongwoo Kim, Sangmin An, and Wonho Jhe, “Liquid-Solid Friction at the Nanoscale”, NC-AFM 2018, Porvoo, Finland, 18.09.17 ~ 09.21. 

Sangmin An, Manhee Lee, and Wonho Jhe, “Atomic force microscopy-based frictional force study with effect of the confined nanoscale water”, Nanokorea 2018, Ilsan, South Korea, 18.7.10 ~ 7.13. 

Sunghoon Hong, Chungman Kim, Hansol Song, Sangmin An, and Wonho Jhe, “Sorting Metallic and Non-metallic Nanoparticles Using Dielectrophoresis Forces”, Nanokorea 2018, Ilsan, South Korea, 18.7.10 ~ 7.13. 

Jaewon Shim, Sangmin An, Joon-Hyuk Ko, and Wonho Jhe, “Probing Surface Energies of SilverIonic Liquid Marbles with Atomic Force Microscopy”, Nanokorea 2018, Ilsan, South Korea, 18.7.10 ~ 7.13. 

Chungman Kim, Sunghoon Hong, Hansol Song, Hosang Yoon, Sangmin An, and Wonho Jhe, “Dielectrophoresis with Nanopipette Inkjet Printing system”, Nanokorea 2018, Ilsan, South Korea, 18.7.10 ~ 7.13. 

Sangmin An, Bongsu Kim, Soyoung Kwon, Geol Moon, Manhee Lee, and Wonho Jhe, “Bifurcation-enhanced ultrahigh force sensitivity of a buckled cantilever”, ISPM 2018, Arizona, USA, 18.5.8 ~ 5.11. 

Sangmin An, Bongsu Kim, Soyoung Kwon, Geol Moon, Manhee Lee, and Wonho Jhe, “Buckling tip-based mechanical sensor by using a quartz tip-combined QTF-AFM”, KPS march meeting 2018, Daejeon, South Korea, 18.4.25 ~ 4.27. 

Manhee Lee, Bongsu Kim, Jongwoo Kim, Sangmin An, and Wonho Jhe, “Noncontact Friction via Capillary Shear Interaction in Ambient Condition”, KPS march meeting 2018, Daejeon, South Korea, 18.4.25 ~ 4.27. 

Seongsoo Kim, Dohyun Kim, Sangmin An, and Wonho Jhe, “Capillary condensation considering curvature effect with Kelvin and Tolman equation”, KPS march meeting 2018, Daejeon, South Korea, 18.4.25 ~ 4.27. 

Jonggeun Hwang, Dongha Shin, Sangmin An, and Wonho Jhe, “Fast and simple method for fabricating TERS tip by using an elecrtic field”, KPS march meeting 2018, Daejeon, South Korea, 18.4.25 ~ 4.27. 

Sunghoon Hong, Sangmin An, Chungman Kim, Hansol Song, Hosang Yoon, and Wonho Jhe, “Controlling and trapping nanoparticles by using dielectrophoresis”, KPS march meeting 2018, Daejeon, South Korea, 18.4.25 ~ 4.27. 

Jaewon Shim, Joon-Hyuk Ko, Sangmin An, and Wonho Jhe, “Probing Viscoelasticity of Silver-Ionic Liquid Marbles with Atomic Force Microscopy”, KPS march meeting 2018, Daejeon, South Korea, 18.4.25 ~ 4.27. 

Dohyun Kim, Seongsoo Kim, Sangmin An, and Wonho Jhe, “Measuring Tolman length of water through capillary condensation”, Multifrequency AFM conference 2018, Madrid, Spain, 18.4.18 ~ 4.20. 

Seongsoo Kim, Dohyun Kim, Sangmin An, and Wonho Jhe, “Capillary condensation as Geometric Origin: Kelvin-Tolman equation”, Multifrequency AFM conference 2018, Madrid, Spain, 18.4.18 ~ 4.20. 

Sangmin An, Bongsu Kim, Soyoung Kwon, Geol Moon, Manhee Lee, and Wonho Jhe, “Buckling instability-based sensitive detection of mechanical disturbances by a quartz tuning fork AFM”, Multifrequency AFM conference 2018, Madrid, Spain, 18.4.18 ~ 4.20. 

Wonho Jhe, Dohyun Kim, Dongha Shin, and Sangmin An, “Capillary formation of alcohol meniscus and dynamic measurement of its viscoelasticity”, APS meeting 2018, LA, USA, 18.3.5 ~ 3.9.

2017

Sangmin An and Wonho Jhe, “Nanoscale scratching using a pulled nanorod-combined atomic force microscope system”, Nanokorea 2017, Ilsan, South Korea, 17.7.12 ~ 7.14.

Sangmin An, Chungman Kim, Sunghoon Hong, Hosang Yoon, and Wonho Jhe, “수정진동자 원자힘 현미경에 기반한 나노 피펫 잉크젯 프링팅에 대한 소개”, KPS March Meeting 2017, Daejeon, South Korea, 17.4.19 ~ 4.21. 

Wonho Jhe, Bongsu Kim, QHwan Kim, and Sangmin An, “Nonlinear fluid dynamics of nanoscale hydration water layer”, APS March Meeting 2017, New Orleans, USA, 17.3.13 ~ 3.17. 

2016

Sangmin An, Jie Zou, Jungseok Chae, Andrea Centrone, and Vladimir Aksyuk, “Soft and wide bandwidth nanoscale cantilever using optomechacnial microcavity-based near-field detection technique”, IVC-20, Busan, South Korea, 16.8.21 ~ 8.26. 

Sangmin An, Jie Zou, Glenn Holland, Jungseok Chae, Andrea Centrone, and Vladimir Aksyuk, “Optomechanical transducer-based soft and high frequency nanoscale cantilever for atomic force microscopy”, Solid-State Sensors, Actuators and Microsystems Workshop 2016, Hilton Head Island, SC, USA, 16.6.5 ~ 6.9. 

Jeyavel Velmurugan, Amit Agrawal, Sangmin An, Eric Choudhary and Veronika A. Szalai, “Scanning Electrochemical Microscopy/Atomic Force Microscopy (SECM/AFM) at the Nanoscale for Heterogeneous Nanocatalysts”, MRS 2016 March Meeting, Phoenix, AZ, USA, 16.3.28 ~ 4.1. 

Nikolai Zhitenev, Yohan Yoon, Jungseok Chae, Aaron Katzenmeyer, Heayoung Yoon, Sangmin An, Joshua Shumacher, Andrea Centrone, “Nanoscale Imaging of Band Gap and Defects in Polycrystalline CdTe Photovoltaic Devices”, APS 2016 March Meeting, Baltimore, MD, USA, 16.3.14 ~ 3.18.

2015

Yohan Yoon, Jungseok Chae, Aaron Katzenmeyer, Heayoung P. Yoon, Joshua Schumacher, Sangmin An, Andrea Centrone, Nikolai Zhitenev, “Local Variation of Band Gap in CdTe Solar Cells”, MRS 2015 Fall Meeting, Boston, MA, USA, 15.11.29 ~ 12.4. 

Yohan Yoon, Jungseok Chae, Aaron Katzenmeyer, Heayoung P. Yoon, Joshua Schumacher, Sangmin An, Andrea Centrone, Nikolai Zhitenev, “Local Measurements of Photocurrent and Band Gap in CdTe Solar Cells”, EU PVSEC 2015, Hamburg, Germany, 15.9.14 ~ 9.18. 

Sangmin An, Thomas Michels, Jie Zou, Daron A. Westly, Vladimir Aksyuk, “Optomechanical transducer-based ultrasmall cantilever for high-speed atomic force microscopy”, NC-AFM 2015, Cessis, France, 15.9.7 ~ 9.11. 

Sangmin An, Thomas Michels, Jie Zou, Daron A. Westly, Vladimir Aksyuk, “Optomechanical Transducer-based Nanocantilever for Application to Atomic Force Microscopy”, OMN 2015, Jerusalem, Israel, 15.8.2 ~ 8.6. 

Heayoung P. Yoon, Yohan Yoon, Paul M. Haney, Sangmin An, Joshua Schumacher, Kerry Siebein, Alline Myers and Nikolai B. Zhitenev, “Nanoscale Photocurrent Microscopy for Thin Film Solar Cells Using Focused Electron Beam and Near-Field Optical Excitations”, Microscopy & Microanalysis 2015, Portland, OR, USA, 15.8.2 ~ 8.6. 

Heayoung P. Yoon, Paul M. Haney, Yohan Yoon, Sangmin An, James I. Bashaml, and Nikolai B. Zhitenevl, “Local photocarrier dynamics in CdTe solar cells under optical and electron beam excitations”, Photovoltaic Specialist Conference (PVSC) 2015, New Orleans, LA, USA, 15.6.14 ~ 6.19.

2014

Sangmin An, Christian J. Long, Vladimir Aksyuk, and Santiago D. Solares, “Conservative and Dissipative Interactions in Multimodal Force Microscopy Driving Multiple Higher”, 2014 MRS Fall Meeting & Exhibit, Boston, MA, USA, 14.11.30 ~ 12.5.

Sangmin An, Jie Zou, Silva-Feaver Max, Adam Bern, Houxun Miao, and Vladimir Aksyuk, “Integrated optomechanical transducer as a high frequency and soft AFM probe”, Gordon Research Conference  2014, Portland, ME, USA, 14.7.13 ~ 7.18. 

Sangmin An, Jie Zou, Houxun Miao, Thomas Michels, and Vladimir Aksyuk, “Integrated silicon optomechanical transducers and their application in atomic force microscopy”, CLEO 2014, San Jose, CA, USA, 14.06.08 ~ 06.13.

2013

Sangmin An, Corey Stambaugh, Soyoung Kwon, Kunyoung Lee, Bongsu Kim, Qwhan Kim, Wonho Jhe, “Optical microscope combined with the nanopipette-based quartz tuning fork-atomic force microscope for nanolithography”, SPIE NanoScience + Engineering 2013, San Diego, CA, USA, 13.08.25 ~ 08.28.

Sangmin An, Soyoung Kwon, Bongsu Kim, Kunyoung Lee, QHwan Kim, Donghyun Won, and Wonho Jhe, “Probing Electrical Properties of the Liquid-Confined Nanowires using the Nanopipette-combined QTF-AFM”, Nanokorea 2013, South Korea (Seoul), 13.07.10 ~ 07.12.

Sangmin An, Corey Stambaugh, Soyoung Kwon, Kunyoung Lee, Bongsu Kim, Qhwan Kim and Wonho Jhe, “Embossed and Intaglio Nano-Patterning using Nanopipette based on the QTF-AFM System”, Nanotech 2013 Conference, USA (Washington D.C.), 13.05.12 ~ 05.16. 

Sangmin An, Kunyoung Lee, Bongsu Kim, QHwan Kim, Soyoung Kwon, and Wonho Jhe, “Fabrication of NaCl nano-pillar through nano-liquid channel with nanopipette based QTF-AFM system”, KPS Spring meeting, South Korea (Daejeon), 13.04.24 ~ 4.26.

2012

Kunyoung Lee, Sangmin An, and Wonho Jhe, “Dynamic Force Spectroscopy of Nanoscale Confined Water between Au tip and Self Assembled Monolayer (SAM) Au surface”, Nanokorea 2012, South Korea (Seoul), 12.08.16 ~ 08.18.

Sangmin An, Kunyoung Lee, Qhwan Kim, So-Young Kwon, and Wonho Jhe, “Vertical Growth of Nanowires using  Au-Nanoparticles based on the Nanopipette-combined QTF-AFM System”, Nanokorea 2012, South Korea (Seoul), 12.08.16 ~ 08.18. 

Sangmin An, Corey Stambaugh, Gunn Kim, Manhee Lee, Yonghee Kim, Kunyoung Lee and Wonho Jhe, “Liquid solution delivery through the pulled nanopipette combined with QTF-AFM system”, APS meeting, USA (Boston), 12.02.27 ~ 03.02.

2011

Sangmin An, Kunyoung Lee, Munheon Hong, and Wonho Jhe, “ADPLL based Frequency Modulation 32kHz QTF-AFM System for study of Confined Nano-Water”, KPS Autumn meeting, South Korea (Busan), 11.10.19 ~ 10.21. 

Sangmin An, Kunyoung Lee, Geol Moon, Gunn Kim, and Wonho Jhe, “Enhanced formation of the Confined Nano-Water Meniscus using a 780 nm Laser with a Quartz Tuning Fork-Atomic Force Microscope”, Nanokorea 2011, South Korea (Ilsan), 11.08.24 ~ 08.26. 

Sangmin An, Moon Geol, and Wonho Jhe, “Embossed and Intaglio Nano-Patterning using Nanopipette based on the QTF-AFM System”, Nanotech 2011 Conference, USA (Boston), 11.06.13 ~ 06.16. 

Sangmin An, Kunyoung Lee, and Wonho Jhe, “Nano-ejection and patterning through nano-liquid channel”, KPS Spring meeting, South Korea (Daejeon), 11.04.13 ~ 4.15. 

Sangmin An and Wonho Jhe, “Study of Nano-liquid with Quartz Tuning Fork-Atomic Force Microscope system”, 4th Young Physicists BK Workshop, Republic of Korea (Pohang), 11.01.20 ~ 01.21.

2010

Jahng Junghoon, An Sangmin, Lee Manhee, Jhe Wonho, “Mechanics of Quartz Tuning-fork: Q-Control, Feedback Cooling, and Nonlinear Dynamics”, KPS Autumn meeting, South Korea (Pyungchang), 10.10.20 ~ 10.22. 

Sangmin An, Kunyoung Lee, Manhee Lee, Junghoon Jahng, Bongsu Kim, and Wonho Jhe, “Enhancement of nano-scaled water meniscus using electric field based on the hybrid STM and QTF-AFM system”, KPS Autumn meeting, South Korea (Pyungchang), 10.10.20 ~ 10.22. 

Wan Bak, Sangmin An, Kunyoung Lee, Geol Moon, and Wonho Jhe, “Manipulation of the confined nano-water using light included expansion of the NSOM tip based on the QTF-AFM system”, NFO-11, China (Peking), 10.08.29 ~ 09.02. 

Sangmin An, Geol Moon, Gunn Kim, and Wonho Jhe, “Nanofluidics through a 30-nm Aperture Nanopipette by applying Electrostatic Field based on the QTF-AFM System”, IEEE Nano 2010, South Korea (Ilsan), 10.08.17 ~ 08.20. 

Lee Kunyoung, An Sangmin, Lee Manhee, Jahng Junghoon, Jhe Wonho, “Q-Dependent Dynamic Force Spectroscopy of Nano-scale Water based on the  QTF-AFM System”, 13th NC-AFM 2010, Japan (Toyoko Arai), 10.07.31 ~ 08.05. 

Jahng Junghoon, Lee Manhee, An Sangmin, Jhe Wonho, “Mechanics of Quartz Tuning-fork: Q-Control, Feedback Cooling, and Nonlinear Dynamics”, 13th NC-AFM 2010, Japan (Toyoko Arai), 10.07.31 ~ 08.05. 

Sangmin An, Manhee Lee, Junghoon Jahng, Geol Moon, Gunn Kim and Wonho Jhe, “NC-AFM Force Sensor based on the pulled Nanopipette with QTF”, 13th NC-AFM 2010, Japan (Toyoko Arai), 10.07.31 ~ 08.05. 

Sangmin An, Moon Geol, and Wonho Jhe, “Nano-Patterning of NaCl Using Nanopipette with QTF-AFM System, Nanotech 2010, USA (Anaheim), 10.06.21 ~ 06.25.

2009

Sangmin An, Junghoon Jahng, Manhee Lee, and Wonho Jhe, “Current Compensation Circuit for QTF (Quartz Tuning Fork)”, KPS Autumn, Republic of Korea, 09.10.21 ~ 10.23. 

Sangmin An, Kwang Heo, Wonho Jhe, “A Novel Type of AFM tip using QTF-AFM with Nanopipette”, Nanokorea 2009, Nanokorea 2009, Republic of Korea (Ilsan), 09.08.26 ~ 08.28. 

Sangmin An, Sungjin Jahng, Haneal Noh, and Wonho Jhe, “Nano-scaled water ejection using Nanopipette with QTF-AFM for Nanolithography”, Nanotech 2009, USA (Houston), 09.05.03 ~ 05.07.

2008

Sangmin An, Sungjin Jahng, and Wonho Jhe, “Potential measurement through Nano-Scaled Liquid bridge using AFM System based on QTF and Nanopipette”, Nanotech 2008, USA (Boston), 08.06.01 ~ 06.05.