Enhancement in High-Field Jc Properties and the Flux Pinning Mechanism of ZnO-Buffered MgB2 Films

RP Putra, JY Oh, SG Jung, HS Park, WN Kang… - ACS …, 2023‏ - ACS Publications
We investigated the flux pinning properties in terms of the critical current density (J c) and
pinning force density (F p) of MgB2 films with ZnO buffer layers of various thicknesses. At …

Correlation between Tc and local structure of MgB2 with ZnO buffer layer: X-ray absorption fine structure study

RP Putra, YS Lee, JY Oh, LM Tien, WN Kang… - Physica B: Condensed …, 2022‏ - Elsevier
In practical application, it is necessary to preserve the superconducting properties, including
the critical temperature (T c) of MgB 2 in the form of tapes and wires that bond to a metallic …

Reducing delamination in MgB2 films deposited on Hastelloy tapes by applying SiC buffer layers

WBK Putri, B Kang, P Van Duong, WN Kang - Thin Solid Films, 2015‏ - Elsevier
MgB 2 is a promising candidate for superconductivity applications because of its metallic
nature and its simple structure compared to other oxide superconductors. We have …

Electron-phonon coupling behavior in MgB2 films with various thicknesses of ZnO buffer layer on metallic substrates

RP Putra, YS Lee, P Duong, YJ Ko, WN Kang… - Solid State …, 2021‏ - Elsevier
In order to investigate the effect of buffer layer on the superconducting properties of MgB 2,
behaviors of electron-phonon coupling (EPC) in MgB 2 thin films with various thicknesses of …

Effect of Different Thickness Crystalline SiC-Buffer Layers on Superconducting Properties and Flux Pinning Mechanism of Films

WBK Putri, DH Tran, B Kang, M Ranot… - IEEE transactions on …, 2014‏ - ieeexplore.ieee.org
We have fabricated the superconducting films grown on three different crystalline SiC-buffer
layers of different thickness by means of the hybrid physical–chemical vapor deposition …

Effect of SiC buffer layer on flux pinning property of MgB2 tapes

B Kang, WBK Putri, WN Kang - Current Applied Physics, 2019‏ - Elsevier
In this paper we aimed at investigating the flux pinning property of MgB 2 films on hastelloy
tapes which are buffered on various thicknesses of SiC layers. We have observed that the …

Effect of different thickness crystalline SiC buffer layers on the ordering of MgB2 films probed by extended x-ray absorption fine structure

WBK Putri, DH Tran, OY Lee, WN Kang… - Journal of Applied …, 2014‏ - pubs.aip.org
Extended X-ray absorption fine structure (EXAFS) spectroscopy is a powerful method to
investigate the local structure of thin films. Here, we have studied EXAFS of MgB 2 films …

Enhanced critical current density of MgB2 thin films deposited at low temperatures by ZnO seed impurity

D Pham, H Van Ngoc, SG Jung, DJ Kang… - Current Applied …, 2018‏ - Elsevier
We report a facile method to enhance the critical current density (J c) of superconducting
MgB 2 thin films. MgB 2 thin films were deposited on zinc acetate dehydrate (Zn (CH 3 COO) …

Scaling of pinning forces in BaSnO3-added GdBa2Cu3O7− x superconducting thin films

B Kang, DH Tran, WN Kang - Thin Solid Films, 2017‏ - Elsevier
We have investigated the flux pinning force F p in pure and 2 wt.% BaSnO 3 (BSO)-added
GdBa 2 Cu 3 O 7− x (GdBCO) superconducting films. Both pure and BSO-added GdBCO …

A possibility of enhancing Jc in MgB2 film grown on metallic hastelloy tape with the use of SiC buffer layer

WBK Putri, B Kang, M Ranot, JH Lee… - … in Superconductivity and …, 2014‏ - koreascience.kr
Abstract We have grown $ MgB_2 $ on SiC buffer layer by using metallic Hastelloy tape as
the substrate. Hastelloy tape was chosen for its potential practical applications, mainly in the …