Published articles
2024
[50] Howon Kim*, Dirk K. Morr, and Roland Wiesendanger*, “Proximity-Induced Superconductivity in a 2D Kondo Lattice of an f-Electron-Based Surface Alloy”, Nano Lett. 24, 14139-14145 (2024).
[49] Lucas Schneider, Christian von Bredow*, Howon Kim*, Khai That Ton*, Torben Hänke, Jens Wiebe, and Roland Wiesendanger, "Scanning tunneling spectroscopy study of proximity superconductivity in finite-size quantized surface states", Phys Rev B 110, L100505 (2024). (*): These authors contributed equally.
2021
[48] Howon Kim*, Yuki Nagai, Levente Rózsa, Dominik Schreyer, and Roland Wiesendanger*, "Anisotropic non-split zero-energy vortex bound states in a conventional superconductor", Appl Phys Rev 8, 031417 (2021).
2020
[47] Howon Kim*, Levente Rózsa , Dominik Schreyer , Eszter Simon , Roland Wiesendanger*, "Long-range focusing of magnetic bound states in superconducting lanthanum", Nat Comm 11, 4573 (2020).
(* denotes the corresponding authors)
[46] Dominik Schreyer, Howon Kim* and Roland Wiesendanger*, "Spectroscopic signature of the Stark-shifted Tamm-type surface of La(0001)", New J. Phys. 22 093013 (2020). (* denotes the corresponding authors)
2019
[045] Min Hui Chang, Yun Hee Chang, Na-Young Kim, Howon Kim, Soon-Hyeong Lee, Mahn-Soo Choi, Yong-Hyun Kim, and Se-Jong Kahng, "Tuning and sensing spin interactions in Co-porphyrin/Au with NH3 and NO2 binding", Phys. Rev. B 100, 245406 (2019).
[044] Alexandra Palacio-Morales, Eric Mascot, Sagen Cocklin, Howon Kim*, Stephan Rachel, Dirk K. Morr* and Roland Wiesendanger*,
"Atomic-Scale Interface Engineering of Majorana Edge Modes in a 2D Magnet-Superconductor Hybrid System", Sci. Adv. 5, eaav6600 (2019).
(*): Corresponding authors.
2018
[042] Howon Kim*, Alexandra Palacio-Morales, Thore Posske, Levente Rózsa, Krisztián Palotás, László Szunyogh, Michael Thorwart, and Roland Wiesendanger* , "Toward tailoring Majorana bound states in artificially constructed magnetic atom chains on elemental superconductors", Sci. Adv. 4, eaar5251 (2018).
2017
[041] Howon Kim, Yasuo Yoshida, Chi-Cheng Lee, Tay-Rong Chang, Horng-Tay Jeng, Hsin Lin, Yoshinori Haga, Zachary Fisk, and Yukio Hasegawa, "Atomic-scale visualization of surface-assisted orbital order", Sci. Adv. 3, eaao0362 (2017).
[040] Shinsaku Wakasugi, Shu Kurokawa, Howon Kim, Yukio Hasegawa, and Akira Sakai, "Break voltage of Au single-atom contacts formed by junction closure", J. Appl. Phys. 121, 244304 (2017).
[039] Baojie Feng, Osamu Sugino, Ro-Ya Liu, Jin Zhang, Ryu Yukawa, Mitsuaki Kawamura, Takushi Iimori, Howon Kim, Yukio Hasegawa, Hui Li, Lan Chen, Kehui Wu, Hiroshi Kumigashira, Fumio Komori, Tai-Chang Chiang, Sheng Meng,Iwao Matsuda,"Dirac fermions in borophene", Phys. Rev. Lett 118, 096401 (2017).
[038] Jeong Heum Jeon, Howon Kim, Won-Jun Jang, Jungpil Seo, and Se-Jong Kahng,"Thickness-dependent Dirac dispersions of few-layer topological insulators supported by metal substrate", Nanotechnology 28, 215207 (2017).
2016
[037] Yun Hee Chang, Howon Kim, Se-Jong Kahng and Yong-Hyun Kim, "Axial coordination and electronic structure of diatomic NO, CO, and O2 molecules adsorbed onto Co-tetraphenylporphyrin on Au(111), Ag(111), and Cu(111): A density-functional theory study", Dalton Trans. 45, 16673-16681 (2016).
[036] Howon Kim, Shi-Zeng Lin, Matthias J. Graf, Takeo Kato, and Yukio Hasegawa,"Electrical conductivity through a single atomic step measured with the proximity-induced superconducting pair correlation", Phys. Rev. Lett. 117, 116802 (2016).
[035] Howon Kim and Yukio Hasegawa, "Spatial variation in local work function as an origin of moiré contrast in scanning tunneling microscopy images of Pb thin films/Si(111)", Jpn. J. of Appl. Phys. 55, 08NA03 (2016).
[034] Howon Kim, Yoshinori Miyata and Yukio Hasegawa, "Superconducting proximity effect on a Rashba-split Pb/Ge(111)- β √3 × √3 surface", Supercond. Sci. Technol. 29, 084006 (2016).
[033] Howon Kim and Yukio Hasegawa, “Insensitivity of atomic point contact conductance to a moiré structure", Phys. Rev. B. 93, 075409 (2016).
2015
[032] Howon Kim, Yun Hee Chang, Won-Jun Jang, Yong-Hyun Kim, and Se-Jong Kahng, "Probing single-molecule dissociations from a bimolecular complex NO-Co-Porphyrin”, ACS Nano 9, 7722-7728 (2015).
[031] Shunsuke Yoshizawa, Howon Kim, Yukio Hasegawa, and Takashi Uchihashi, "Disorder-induced suppression of superconductivity in the √7 × √3-In surface: scanning tunneling microscopy study", Phys. Rev. B: Rapid commun. 92, 041410(R) (2015).
[030] Howon Kim and Yukio Hasegawa, “Site-dependent evolution of electrical conductance from tunneling to atomic point contact”, Phys. Rev. Lett. 114, 206801 (2015)
[029] Won-Jun Jang, Min Wook Lee, Howon Kim, Sangwoo Park, Seong Jun Jung, Sungjoo Lee, Young Jae Song, and Se-Jong Kahng,"Observations of New Dirac Points in One-Dimensionally-Rippled Graphene on Hexagonal BN Using Scanning Tunneling Spectroscopy", J. Phys. Chem. C 119, 19535-19538 (2015).
[028] Shunsuke Yoshizawa, Howon Kim, Takuto Kawakami, Yuki Nagai, Tomonobu Nakayama, Xiao Hu, Yukio Hasegawa, and Takashi Uchihashi, "Impact of Surface Conditions on the Superconductivity of Si(111)-(√7×
√3)-In", e-Journal Surf. Sci. Nanotechnol. 13, 151-154 (2015).
2014
[027] Won Jun Jang, Kyung-Hoon Chung, Min Wook Lee, Howon Kim, Sungjun Lee, Se-Jong Kahng, "Tetragonal porous networks made by rod-like molecules on Au(1 1 1) with halogen bonds", Appl. Surf. Sci. 309, 74-78 (2014).
[026] Takuto Kawakami, Yuki Nagai, Shunsuke Yoshizawa, Howon Kim, Yukio Hasegawa, Tomonobu Nakayama, Takashi Uchihashi, and Xiao Hu,"Excitation spectrum of Josephson vortices on surface superconductor", J. Phys. Conf. Ser. 568, 22022 (2014).
[025] Jeong Heum Jeon, Misun Song, Howon Kim, Won-Jun Jang, Ji-Yong Park, Seokhyun Yoon, Se-Jong Kahng,"Quintuple layer Bi2Se3 thin films directly grown on insulating SiO2 using molecular beam epitaxy", Appl. Surf. Sci. 316, 42-45 (2014).
[024] Shunsuke Yoshizawa, Howon Kim, Takuto Kawakami, Yuki Nagai, Tomonobu Nakayama, Xiao Hu, Yukio Hasegawa, and Takashi Uchihashi, “Imaging Josephson Vortices on the Surface Superconductor Si(111)-(√7 × √3)-In using a Scanning Tunneling Microscope”, Phys. Rev. Lett. 113, 247004 (2014).
[023] Won-Jun Jang, Howon Kim, Yong-Ro Shin, Min Wang, Sung Kyu Jang, Minwoo Kim, Sungjoo Lee, Sang-Woo Kim, Young Jae Song, Se-Jong Kahng, “Observation of spatially-varying Fermi velocity in strained-graphene directly grown on hexagonal boron nitride”, Carbon 74, 139 (2014).
[022] Howon Kim, Yun Hee Chang, Soon-Hyeong Lee, Soobin Lim, Seung-Kyun Noh, Yong-Hyun Kim, and Se-Jong Kahng, "Visualizing Tilted Binding and Precession of Diatomic NO Adsorbed to Co-porphyrin on Au(111) using Scanning Tunneling Microscopy", Chemical Science 5, 2224-2229 (2014).
2013
[021] Howon Kim, Yun Hee Chang, Soon-Hyeong Lee, Yong-Hyun Kim, and Se-Jong Kahng, "Switching and Sensing Spin States of Co–Porphyrin in Bimolecular Reactions on Au(111) Using Scanning Tunneling Microscopy", ACS Nano 7, 9312 (2013).
[020] Seung-Kyun Noh, Jeong Heum Jeon, Won Jun Jang, Howon Kim, Soon-Hyeong Lee, Min Wook Lee, Jhinhwan Lee, Seungwu Han, and Se-Jong Kahng,"Supramolecular Cl···H and O···H Interactions in Self- Assembled 1,5-Dichloroanthraquinone Layers on Au(111)", ChemPhysChem 14, 1177-1181 (2013).
[019] Kyung-Hoon Chung, Howon Kim, Won Jun Jang, Jong Keon Yoon, Se-Jong Kahng, Jhinhwan Lee, and Seungwu Han, "Molecular Multistate Systems Formed in Two-Dimensional Porous Networks on Ag(111)", J. Phys. Chem. C 117, 302-306 (2013).
[018] Ji Yeon Kim, Won Jun Jang, Howon Kim, Jong Keon Yoon, Jihun Park, Se-Jong Kahng, Jhinhwan Lee, and Seungwu Han,"Supramolecular interactions of anthraquinone networks on Au(1 1 1): Hydrogen bonds and van der Waals interactions", Appl. Surf. Sci. 268, 432-435 (2013).
[017] Sang-Yeon Won, Ji-Hoon Kim, Howon Kim, Jong Keon Yoon, Se-Jong Kahng, Young-Kyun Kwon, Yongsup Park, “Linear and Hexagonal Porous Structures of an Organic Charge Acceptor Hexaaza-triphenylene-hexacarbonitrile on Au(111) with CN···CN Dipolar Interactions”, J. Phys. Chem. C 117, 21371 (2013).
[016] Takaaki Tominaga, Takaki Sakamoto, Howon Kim, Takahiro Nishio, Toyoaki Eguchi, and Yukio Hasegawa, "Trapping and squeezing of vortices in voids directly observed by scanning tunneling microscopy and spectroscopy" Phys. Rev. B 87, 195434 (2013).
[015] Won-Jun Jang, Howon Kim, Jeong Heum Jeon, Jong Keon Yoon and Se-Jong Kahng, “Recovery and local-variation of Dirac cones in oxygen-intercalated graphene on Ru(0001) studied using scanning tunneling microscopy and spectroscopy”, Phys. Chem. Chem. Phys. 15, 16019-16023 (2013).
2012
[014] Kyung-Hoon Chung, Bon-Gil Koo, Howon Kim, Jong Keon Yoon, Ji-Hoon Kim, Young-Kyun Kwon, and Se-Jong Kahng, "Electronic Structures of One-Dimensional Metal-Molecule Hybrid Chains Studied using Scanning Tunneling Microscopy and Density Functional Theory", Phys. Chem. Chem. Phys. 14, 7304 (2012).
2011
[013] Kyung-Hoon Chung, Jihun Park, Kye Yeop Kim, Jong Keon Yoon, Howon Kim, Seungwu Han and Se-Jong Kahng,"Polymorphic porous supramolecular networks mediated by halogen bonds on Ag(111)", Chem. Commun. 47, 11492 (2011).
[012] Jihun Park, Kye Yeop Kim, Kyung-Hoon Chung, Jong Keon Yoon, Howon Kim, Seungwu Han, and Se-Jong Kahng, "Interchain Interactions Mediated by Br Adsorbates in Arrays of Metal–Organic Hybrid Chains on Ag(111) ", J. Phys. Chem. C 115, pp14834-14838 (2011)
[011] Jong Keon Yoon, Won-joon Son, Howon Kim, Kyung-Hoon Chung, Seungwu Han, and Se-Jong Kahng, "Achieving chiral resolution in self-assembled supramolecular structures through kinetic pathways", Nanotechnology 22, 275705 (2011)
[010] Jong Keon Yoon, Won-joon Son, Kyung-Hoon Chung, Howon Kim, Seungwu Han, and Se-Jong Kahng, "Visualizing Halogen Bonds in Planar Supramolecular Systems", J. Phys. Chem. C115, pp2297-2301 (2011)
2010
[009] Jong Keon Yoon, Goo-Eun Jung, Howon Kim, Kyung Hoon Chung, Se-Jong Kahng, "Two-dimensional vacancy islands induced by the growth of Cr on Cu(111)", Thin Solid Films 519, 1375-1379 (2010).
2009
[008] Howon Kim, Won-joon Son, Won Jun Jang, Jong Keon Yoon, Seungwu Han and Se-Jong Kahng, "Mapping the electronic structures of a metalloporphyrin molecule on Au(111) by scanning tunneling microscopy and spectroscopy", Phys. Rev. B 80, 245402 (2009)
[007] Qing Li, Shiro Yamazaki, Toyoaki Eguchi, Howon Kim, Jing-Feng Jia, Qi-Kun Xue and Yukio Hasegawa, "Direct evidence of the contributions of surface states to the Kondo resonance", Phys. Rev. B 80 115431 (2009)
[006] Qing Li, Shiro Yamazaki, Toyoaki Eguchi, Howon Kim, Se-Jong Kahng, Jing-Feng Jia, Qi-Kun Xue, and Yukio Hasegawa, "Initial Adsorption and Kondo Resonance of 5, 10, 15, 20-Tetrakis (4-bromophenyl)porphyrin-Co molecules on Ag/Si(111) surface studied by Low-Temperature Scanning Tunneling Microscopy / Spectroscopy", Jpn. J. Appl. Phys. 48, 08JB01 (2009)
[005] Jeong Heum Jeon, Kyung Hoon Chung, Howon Kim, Se-Jong Kahng, "Coner hole adatom stacking fault structure of Bi on Au(111)", Surf. Sci. 603, 145 (2009)
2008
[004] Howon Kim, Goo-Eun Jung, Jin-Hyung Lim, Kyung Hoon Chung, Se-Jong Kahng, Won-joon Son and Seungwu Han, "Epitaxial Mn5Ge3 nano-islands on a Ge(001)surface", Nanotechnology 19, 025707 (2008)
[003] Qing Li, Shiro Yamazaki, Toyoaki Eguchi, Yukio Hasegawa, Howon Kim, Se-Jong Kahng, Jing-Feng Jia and Qi-Kun Xue, "Adsorption, manipulation and self-assembling of TBrPP-Co molecules on a Ag/Si(111) surface by scanning tunneling microscopy", Nanotechnology 19, 465707 (2008)
[002] Howon Kim, Goo-Eun Jung, Jong Keon Yoon, Kyung Hoon Chung and Se-Jong Kahng, "Surface atomic structure of alloyed Mn5Ge3(0001) by scanning tunneling microscopy", Surf. Sci.602, 481 (2008)
2006
[001] Sungjun Lee, Hajin Kim, Jhinhwan Lee, Young Kuk, Kwang Hwa Chung, Howon Kim and Se-Jong Kahng, "Donor and acceptor-like electronic states in a one-dimensional semiconductor", Surf. Sci. 600, 4937 (2006).
Articles in preparation or submitted
[xxx] Howon Kim, Yuki Nagai, Takeo Kato, and Yukio Hasegawa, "Anisotropic inverse proximity effect at the interface between embedded magnetic island and superconductor: Scanning tunneling microscopy study", in preparation
[xxx] Howon Kim, Yun Hee Chang, Yong-Hyun Kim, and Se-Jong Kahng, "Anisotropic Kondo Screening at a single metalloporphyrin on Au(111): Scanning tunnleing microscopy study", in preparation
[xxx] Howon Kim, Yasuo Yoshida, Yoshinori Haga, Naoyuki Tateiwa, Michito Suzuki, Zachary Fisk, and Yukio Hasegawa, “Visualization of Ce atoms and site dependent in-gap residual density of states in CeCoIn5”, in preparation
[xxx] Howon Kim and Yukio Hasegawa, "Site-dependent Channel Conductances at Atomic-size Superconducting Junctions", arXiv:1506.05528 [cond-mat.mes-hall] (2015), submitted
[xxx] T. Nakamura*, H. Kim*, S. Ichinokura, A. Takayama, A.V. Zotov, A.A. Saranin, Y. Hasegawa, and S. Hasegawa, "Unconventional superconductivity at One-Atom-Layer Superconductor Si(111)-r3xr3-(Tl,Pb)", submitted (2017) (* denotes equally-contributed authors).