activity
20092020
most citedSwitching teraherz waves with gate-controlled active graphene metamaterials

942 citations · 1.2k across the 6 of their papers we have counts for

collaborators

6 papers

cond-mat.mtrl-sci2020★ 15 cited

Varying Electronic Coupling at Graphene-Copper Interfaces Probed with Raman Spectroscopy

Jieun Choi, Seonghyun Koo, Myeongin Song +3

As the synthesis of graphene on copper became one of the primary preparation methods for both fundamental research and industrial application, Raman spectra of graphene/Cu systems…

physics.optics2012★ 942 cited

Switching teraherz waves with gate-controlled active graphene metamaterials

Seung Hoon Lee, Muhan Choi, Teun-Teun Kim +9

The extraordinary electronic properties of graphene, such as its continuously gate-variable ambipolar field effect and the resulting steep change in resistivity, provided the main…

cond-mat.mtrl-sci2010

Role of interface reaction on resistive switching of Metal/a-TiO2/Al RRAM devices

Hu Young Jeong, Jeong Yong Lee, Sung-Yool Choi

For the clear understanding of the role of interface reaction between top metal electrode and titanium oxide layer, we investigated the effects of various top metals on the resisti…

cond-mat.mtrl-sci2009★ 36 cited

Bipolar resistive switching characteristics of poly(3,4-ethylene-dioxythiophene): poly(styrenesulfonate) thin film

Hu Young Jeong, Jong Yun Kim, Tae Hyun Yoon +1

We investigated the reversible resistive switching of poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) thin films sandwiched between Al electrodes. The J-V sweep c…

cond-mat.mtrl-sci2009★ 59 cited

Bipolar resistive switching in amorphous titanium oxide thin films

Hu Young Jeong, Jeong Yong Lee, Min-Ki Ryu +1

Using isothermal and temperature-dependent electrical measurements, we investigated the resistive switching mechanism of amorphous titanium oxide thin films deposited by a plasma-e…

cond-mat.mtrl-sci2009★ 117 cited

Microscopic origin of bipolar resistive switching of nanoscale titanium oxide thin films

Hu Young Jeong, Jeong Yong Lee, Sung-Yool Choi +1

We report a direct observation of the microscopic origin of the bipolar resistive switching behavior in nanoscale titanium oxide films. Through a high-resolution transmission elect…