Research progress on the preparation of alkali/alkaline earth metal-modified metal oxide catalysts and their application to diesel engine exhaust soot particle catalytic …

X Zhang, X Chen, S Chen, S Zhou, L Wang… - Surfaces and …, 2024 - Elsevier
With increasingly severe air pollution and improvement in people's environmental
awareness, air pollutant treatment, especially for soot particles (PMs), has become a …

Effect of Graphene Nanoparticles Addition on Superconductivity of YBa2Cu3O7~δ Synthesized via the Thermal Treatment Method

AN Kamarudin, MM Awang Kechik, SN Abdullah… - Coatings, 2022 - mdpi.com
The development of high-temperature superconductor (HTS) YBa2Cu3O7~ δ (Y123) bulks
in industrial applications were established years ago. It is one of the developments that …

Structural and Superconducting Properties of Thermal Treatment-Synthesised Bulk YBa2Cu3O7−δ Superconductor: Effect of Addition of SnO2 Nanoparticles

NN Mohd Yusuf, MM Awang Kechik, H Baqiah… - Materials, 2018 - mdpi.com
YBa2Cu3O7− δ (Y-123) bulk superconductors with the addition of (0.0, 0.2, 0.4, 0.6, 0.8, and
1.0 wt.%) SnO2 nanoparticles were synthesised via a thermal treatment method. The …

Orthorhombic YBa2Cu3O7−δ Superconductor with TiO2 Nanoparticle Addition: Crystal Structure, Electric Resistivity, and AC Susceptibility

F Barood, MMA Kechik, TS Tee, CS Kien, LK Pah… - Coatings, 2023 - mdpi.com
This article reports the effect of a nanoscale addition of TiO2 on the structure and
superconducting parameters of the high-temperature superconductor YBa2Cu3O7-δ (Y123) …

Structural, thermal and superconducting properties of Ag2O-doped YBa2Cu3O7-x composite materials

A Harabor, P Rotaru, NA Harabor, P Nozar… - Ceramics …, 2023 - Elsevier
A composite material with superconducting properties, consisting of YBa 2 C u3 O 7-x doped
with Ag 2 O, was obtained after 233 h of sintering at 960° C and followed by a special …

Fluctuation induces conductivity and microstructural studies in Y-123: Effect of CaO inclusion

SH Yap, MMA Kechik, KKM Shariff, H Baqiah… - Journal of Alloys and …, 2024 - Elsevier
This study explored the impact of CaO as effective fine pinning centres on the interactions
among thermodynamic fluctuations of superconducting parameters during the …

Effects of HoMnO3 nanoparticles addition on microstructural, superconducting and dielectric properties of YBa2Cu3O7–δ

A Bahboh, AH Shaari, H Baqiah, CS Kien… - Ceramics …, 2019 - Elsevier
Abstract (YBa 2 Cu 3 O 7–δ) 1-x (HoMnO 3) x (x= 0.0, 0.0025, 0.005, 0.01, 0.03 and 0.05)
ceramics were fabricated by introducing co-precipitation synthesized HoMnO 3 (HMO) …

Microstructural and excess conductivity properties of Y-123: effect of organic polymer chitosan inclusion

SH Yap, MMA Kechik, F Khoerunnisa, H Baqiah… - Journal of Materials …, 2024 - Springer
This research investigated the effect of chitosan as fine nucleation for the interactions among
surface microstructure, secondary phases, and thermodynamic fluctuations of …

Calcium-Substituted Y3Ba5Cu8O18 Ceramics Synthesized via Thermal Treatment Method: Structural and Superconducting Properties

MM Dihom, AH Shaari, H Baqiah, CS Kien… - … of Superconductivity and …, 2019 - Springer
In this work, Y 3 (Ba 1− x Ca x) 5 Cu 8 O 18 compounds with x= 0.00, 0.01, 0.02, 0.03 and
0.05 were synthesized by thermal treatment of aqueous solution of metal nitrates and …

Comparative studies of pure YBa2Cu3O7-ẟ prepared by modified thermal decomposition method against thermal treatment method

NAMIA Sah, MMA Kechik, CS Kien, LK Pah… - Applied Physics A, 2024 - Springer
Abstract High temperature superconductor Yttrium Barium Copper Oxide (YBCO) was
successfully prepared by modified thermal decomposition and thermal treatment method …