activity
20152020
most citedHot Carrier Trapping Induced Negative Photoconductance in InAs Nanowires toward Novel Nonvolatile Memory

197 citations · 330 across the 14 of their papers we have counts for

collaborators

14 papers

cond-mat.mes-hall2020

Gate-Modulated Quantum Interference Oscillations in Sb-Doped Bi2Se3 Topological Insulator Nanoribbon

Tae-Ha Hwang, Hong-Seok Kim, Yasen Hou +2

Topological insulator nanoribbons (TI NRs) provide a useful platform to explore the phase-coherent quantum electronic transport of topological surface states, which is crucial for…

cond-mat.mes-hall2020★ 21 cited

Adjustable quantum interference oscillations in Sb-doped Bi2Se3 topological insulator nanoribbons

Hong-Seok Kim, Tae-Ha Hwang, Nam-Hee Kim +4

Topological insulator (TI) nanoribbons (NRs) provide a unique platform for investigating quantum interference oscillations combined with topological surface states. One-dimensional…

cond-mat.mes-hall2020★ 10 cited

Superconducting Quantum Interference Devices Made of Sb-doped Bi2Se3 Topological Insulator Nanoribbons

Nam-Hee Kim, Hong-Seok Kim, Yasen Hou +2

We report the fabrication and characterization of superconducting quantum interference devices (SQUIDs) made of Sb-doped Bi2Se3 topological insulator (TI) nanoribbon (NR) contacted…

cond-mat.mes-hall2019★ 1 cited

Towards searching for Majorana fermions in topological insulator nanowires

Hong-Seok Kim, Yong-Joo Doh

Developing a gate-tunable, scalable, and topologically-protectable supercurrent qubit and integrating it into a quantum circuit are crucial for applications in the fields of quantu…

cond-mat.supr-con2018★ 1 cited

Fabrication and Characterization of Superconducting Quantum Interference Device using (Bi_{1-x}Sb_x)_2Se_3 Topological Insulator Nanoribbons

Nam-Hee Kim, Hong-Seok Kim, Yiming Yang +3

We report on the fabrication and electrical transport properties of superconducting quantum interference devices (SQUIDs) made from a (Bi_{1-x}Sb_x)_2Se_3 topological insulator (TI…

cond-mat.mes-hall2017★ 3 cited

Zero bias conductance peak in InAs nanowire coupled to superconducting electrodes

Nam-Hee Kim, Yun-Sok Shin, Hong-Seok Kim +2

We report the occurrence of the zero-bias conductance peak (ZBCP) in an InAs nanowire coupled to PbIn superconductors with varying temperature, bias voltage, and magnetic field. Th…

cond-mat.mes-hall2017★ 12 cited

Macroscopic Quantum Tunneling in Superconducting Junctions of β-AgSe Topological Insulator Nanowire

Jihwan Kim, Bum-Kyu Kim, Hong-Seok Kim +3

We report on the fabrication and electrical transport properties of superconducting junctions made of β-AgSe topological insulator (TI) nanowires in contact with Al supercond…

cond-mat.supr-con2016

Fabrication and Characterization of PbIn-Au-PbIn Superconducting Junctions

Nam-Hee Kim, Bum-Kyu Kim, Hong-Seok Kim +1

We report on the fabrication and measurement results of the electrical transport properties of superconductor-normal metal-superconductor (SNS) weak links, made of PbIn superconduc…

cond-mat.supr-con2016★ 21 cited

Very Strong Superconducting Proximity Effects in PbS Semiconductor Nanowires

Bum-Kyu Kim, Hong-Seok Kim, Yiming Yang +3

We report the fabrication of strongly coupled nanohybrid superconducting junctions using PbS semiconductor nanowires and Pb0.5In0.5 superconducting electrodes. The maximum supercur…

cond-mat.mes-hall2016★ 33 cited

Quantum electronic transport of topological surface states in beta-Ag2Se nanowire

Jihwan Kim, Ahreum Hwang, Sang-Hoon Lee +8

Single-crystalline β-Ag2Se nanostructures, a new class of 3D topological insulators (TIs), were synthesized using the chemical vapor transport method. The topological surface state…

cond-mat.mes-hall2015★ 6 cited

Gate-tunable superconducting quantum interference devices of PbS nanowires

Hong-Seok Kim, Bum-Kyu Kim, Yiming Yang +4

We report on the fabrication and electrical transport properties of gate-tunable superconducting quantum interference devices (SQUIDs), made of semiconducting PbS nanowire contacte…

cond-mat.mes-hall2015★ 197 cited

Hot Carrier Trapping Induced Negative Photoconductance in InAs Nanowires toward Novel Nonvolatile Memory

Yiming Yang, Xingyue Peng, Hong-Seok Kim +7

We report a novel negative photoconductivity (NPC) mechanism in n-type indium arsenide nanowires (NWs). Photoexcitation significantly suppresses the conductivity with a gain up to…

cond-mat.mes-hall2015★ 5 cited

Quantum interference effects in chemical vapor deposited graphene

Nam-Hee Kim, Yun-Sok Shin, Serin Park +5

We report several quantum interference effects in graphene grown by chemical vapor deposition. A crossover between weak localization and weak antilocalization effects is observed w…

cond-mat.mes-hall2015★ 20 cited

Quantum electrical transport properties of topological insulator Bi2Te3 nanowires

Hong-Seok Kim, Ho Sun Shin, Joon Sung Lee +3

We investigate the quantum transport properties of surface electrons on a topological insulator Bi2Te3 nanowire in a magnetotransport study. Although the nanowires are synthesized…