Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Ahmad Kamal Hayati Yahya"'
Autor:
Ahmad Kamal Hayati Yahya, Muhammad Syazwan Mustaffa, Raba’ah Syahidah Azis, Norazila Ibrahim, Zaiki Awang, Nur Ain Athirah Che Apandi
Publikováno v:
Solid State Phenomena. 317:22-27
The microwave absorption properties of La0.85Ag0.15MnO3 prepared by solid state method was investigated. Analysis of X-ray diffraction data using a refinement technique confirmed the rhombohedral structure of the samples. The microstructure of the sa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::204fb198181e2f8c2137b6d0268a80d4
https://doi.org/10.4028/www.scientific.net/ssp.317.22
https://doi.org/10.4028/www.scientific.net/ssp.317.22
Autor:
Muhammad Suffian Sazali, Zakiah Mohamed, Rozilah Rajmi, Ahmad Kamal Hayati Yahya, Norazila Ibrahim
Publikováno v:
Solid State Phenomena. 317:3-9
La0.7Ba0.3Mn1-xFexO3 (x = 0 and 0.02) were prepared by using solid state synthesis method to investigate the effect of Fe3+ substitution at Mn-site on electrical behaviour and structural properties. An analysis of X-ray diffraction, XRD data using re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c156460a4bdfd5e0d8ff899cee80aebc
https://doi.org/10.4028/www.scientific.net/ssp.317.3
https://doi.org/10.4028/www.scientific.net/ssp.317.3
Publikováno v:
Ionics. 27:619-634
(80-x)B2O3-xTeO2-10Li2O-10Al2O3 (x = 10–60 mol%) glasses were prepared by a melt-quenching technique to investigate the effects of mixing B2O3 and TeO2 glass formers on DC conductivity and elastic properties of the glass system. The structural anal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28fbfbf1155ff1890180e1ef3f068e9f
https://doi.org/10.1007/s11581-020-03859-0
https://doi.org/10.1007/s11581-020-03859-0
Autor:
S.J. Japari, Ahmad Kamal Hayati Yahya, M.N. Azlan, M.I. Sayyed, S.M. Iskandar, A.L. Anis, R. Hisam, Mohd Hafiz Mohd Zaid
Publikováno v:
Results in Physics, Vol 22, Iss, Pp 103946-(2021)
In this study, the optical and gamma ray shielding properties of vanadotellurite-based quaternary glasses in the xNa2O-(20-x)K2O-30V2O5-50TeO2 system were examined. The optical band gap ( E opt ) displayed an initial reduction from 2.33 to 2.30 eV (x
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb3d91411a39a3964e9ca747fa3c4a92
http://www.sciencedirect.com/science/article/pii/S2211379721001200
http://www.sciencedirect.com/science/article/pii/S2211379721001200
Publikováno v:
Results in Physics, Vol 16, Iss, Pp 102905-(2020)
The melt-quenching technique was used to prepare tellurovanadate glasses containing sodium and potassium oxides with compositions of xNa2O-(20-x)K2O-30V2O5-50TeO2 (x = 0–20 mol%) to examine the impact of mixed-alkali oxide on alternating-current (A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c02be479b03c6920cffff7f48c13301e
http://www.sciencedirect.com/science/article/pii/S2211379719326749
http://www.sciencedirect.com/science/article/pii/S2211379719326749
Publikováno v:
Physica B: Condensed Matter. 544:34-46
The effect of Cr3+ substitution at Mn-site on the structure, magnetic and electrical properties of Bi0.3Pr0.3Ca0.4Mn1-xCrxO3 manganites were studied by using X-ray diffraction method, AC susceptibility and electrical transport measurements. All the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b426601e00addc3c0050b3d41e183cc6
https://doi.org/10.1016/j.physb.2018.05.020
https://doi.org/10.1016/j.physb.2018.05.020
Publikováno v:
Journal of Non-Crystalline Solids. 493:99-107
Alkali-germanate glass composed of xLi2O-(100 − x)[0.65GeO2·0.35PbO] (x = 0 mol% to 40 mol%) were prepared using the melt-quenching method. The increase in density to a maximum at x = 10 mol% before decreasing indicates presence of the germanate a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e2be5238d8e99ddc5addc3b357692ad
https://doi.org/10.1016/j.jnoncrysol.2018.04.040
https://doi.org/10.1016/j.jnoncrysol.2018.04.040
Autor:
Zakiah Mohamed, Suraya Ahmad Kamil, Ahmad Kamal Hayati Yahya, Siti Nurbaya Supardan, S. K. Chen, E. Elyana
Publikováno v:
Journal of Solid State Chemistry. 258:191-200
Ru doping in charge-ordered Pr0.75Na0.25Mn1-xRuxO3 (x = 0–0.1) manganites was studied to investigate its effect on structure, electrical transport, magnetic properties, and magnetotransport properties. DC electrical resistivity (ρ), magnetic susce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71ef607a45d34dd5ae039df93f5888b2
https://doi.org/10.1016/j.jssc.2017.10.007
https://doi.org/10.1016/j.jssc.2017.10.007
Autor:
Norazila Ibrahim, Maryam Arifin, Ahmad Kamal Hayati Yahya, M. Nasir Khan, Nawazish A. Khan, Zakiah Mohamed
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 31:2851-2868
Nd0.75Na0.25Mn1−xNixO3 (x = 0 − 0.07) were synthesized using a conventional solid-state synthesis method to investigate the effect of Ni substitution on their magnetic and electrical transport properties. XRD analysis using the Rietvield refineme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b45908583edbea9c46f6566feb2dc69a
https://doi.org/10.1007/s10948-017-4521-7
https://doi.org/10.1007/s10948-017-4521-7
Publikováno v:
Ionics. 24:2647-2664
Glass samples [20Na2O–20CaO–(60 − x)B2O3–xV2O5, where 0 ≤ x ≤ 2.5 mol%] were prepared using melt-quenching method to study the mixed ionic–electronic (MIE) effect on the elastic and optical properties of the glasses. Ultrasonic velociti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b003943fa1fa80a44e62222c8d52fdad
https://doi.org/10.1007/s11581-017-2396-z
https://doi.org/10.1007/s11581-017-2396-z