scholarly journals Structural, optical and dielectric properties of tellurium-based double perovskite Sr2Ni1−xZnxTeO6

RSC Advances ◽  
2021 ◽  
Vol 11 (50) ◽  
pp. 31631-31640
Author(s):  
Fatasya Izreen Hanim Alias ◽  
Rozilah Rajmi ◽  
Mohd Fauzi Maulud ◽  
Zakiah Mohamed
Keyword(s):  
Dielectric Properties ◽  
Solid State ◽  
Double Perovskite ◽  
Solid State Method ◽  
Conventional Solid State Method ◽  
State Method

In this paper, Sr2Ni1−xZnxTeO6 (x = 0.0, 0.2, 0.4, 0.6, 0.8, 1.0) double perovskite compounds were synthesised by the conventional solid-state method, and the structural, optical and dielectric properties were investigated.

Structural, optical and dielectric properties of Sr2Ni1−xMgxWO6 (x = 0.00, 0.02, 0.04, and 0.06) double perovskite

2021 ◽  
Vol 9 (38) ◽  
pp. 13439-13446
Author(s):  
Nur Amira Farhana Mohamed Saadon ◽  
Nurliyana Mohd Ali ◽  
Norazila Ibrahim ◽  
Zakiah Mohamed
Keyword(s):  
Dielectric Properties ◽  
Solid State ◽  
Double Perovskite ◽  
Solid State Method ◽  
State Method

Sr2Ni1−xMgxWO6 (0.00 ≤ x ≤ 0.06) polycrystalline samples were prepared using a solid state method and the structural, optical and dielectric properties of the samples were studied using XRD, UV-vis, FTIR and EIS respectively.

Microwave Properties in BaO-TiO2 System Added by ZrO2 and WO3

2012 ◽  
Vol 512-515 ◽  
pp. 1155-1159 ◽  
Author(s):  
Xin Ye Yang ◽  
Xiao Hui Wang ◽  
An Ji ◽  
Long Tu Li
Keyword(s):  
Dielectric Properties ◽  
Dielectric Property ◽  
Solid State ◽  
Sintering Temperature ◽  
Microwave Properties ◽  
Solid State Method ◽  
Microwave Dielectric ◽  
Conventional Solid State Method ◽  
Higher Temperature ◽  
State Method

Both BaTi4O9 and Ba2Ti9O20 have the best microwave properties among many compounds in BaO-TiO2 system. The microwave performance of the ceramics in BaO-TiO2 system, which were prepared by conventional solid state method, was investigated in this paper. The study indicates that the (Ti,Zr)/Ba ratio has a great effect on the dielectric properties of the ceramic due to different BaTi4O9/Ba2Ti9O20 ratio. The pure BaTi4O9 ceramic exhibits the most outstanding microwave properties, with εr=35.55 and Q×f=43300GHz. On the contrary, the dielectric property of the pure Ba2Ti9O20 ceramic was not good enough, which should be doped with some additive additions. WO3 was incorporated into the system and the sintering temperature was adjusted to improve the microwave dielectric property. The Q×f was increased to 38000GHz by adding 1.35mol% WO3 due to the formation of a little BaWO4 phase. When sintered at a higher temperature (1380°C), the BaO-TiO2 system ceramic has εr =37.04 and Q×f =44874GHz.

scholarly journals Synthesis, structure and magnetic properties of (Eu1−xMnx)MnO3−δ

RSC Advances ◽  
2017 ◽  
Vol 7 (4) ◽  
pp. 2019-2024 ◽  
Author(s):  
Jianming Deng ◽  
Aimei Yang ◽  
M. A. Farid ◽  
Hao Zhang ◽  
Jian Li ◽  
...  
Keyword(s):  
Solid Solution ◽  
Magnetic Properties ◽  
Solid State ◽  
Solid State Method ◽  
Conventional Solid State Method ◽  
State Method

The solid solution (Eu1−xMnx)MnO3−δ (0 ≤ x ≤ 0.126) has been synthesized using a conventional solid-state method.

Characterization of Antiferromagnetism in Double Perovskites Ba2FeMoO6 Prepared by Solid State Method

2019 ◽  
Vol 891 ◽  
pp. 224-229
Author(s):  
Naphat Albutt ◽  
Vanussanun Aitviriyaphan ◽  
Thanapong Sareein ◽  
Sudarath Suntaropas ◽  
Panakamon Thonglor ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Solid State ◽  
Solid State Reaction ◽  
Double Perovskite ◽  
Solid State Reaction Method ◽  
Double Perovskites ◽  
Solid State Method ◽  
Reaction Method ◽  
State Method

The magnetic properties of Ba2FeMoO6 (BFMO) double perovskite are investigated. BFMO samples were prepared by solid state reaction method through compression. Magnetic properties are influenced by electron environments of the Fe3+ and Mo5+ ions within the perovskite structure. BFMO sintered at 800 oC exhibited the largest hysteresis loop at 50 K. In addition, the values of Ms and Mr indicate ferromagnetic behaviour in BFMO ceramics sintered at 800 oC for different times up to 10 hours. Using the Curie-Weiss law fitting to investigate μeff~30μB high spin of Fe and Mo, and negative θ present the antiferromagnetic characteristics of the BFMO sample.

Characterization and optical limiting behavior of BaSnO3 powder prepared by the conventional solid state method

2020 ◽  
Vol 29 ◽  
pp. 1091-1097
Author(s):  
Jibi John ◽  
S.R. Chalana ◽  
V.P. Mahadevan Pillai ◽  
Jaison Joseph ◽  
S. Muthunatesan ◽  
...  
Keyword(s):  
Solid State ◽  
Optical Limiting ◽  
Solid State Method ◽  
Limiting Behavior ◽  
Conventional Solid State Method ◽  
State Method

Low Temperature Sintering and Microwave Dielectric Properties of Zinc Titanate Ceramics for LTCC Applications

2008 ◽  
Vol 368-372 ◽  
pp. 179-182
Author(s):  
Zong Chi Liu ◽  
Dong Xiang Zhou ◽  
Shu Ping Gong
Keyword(s):  
Dielectric Properties ◽  
Sintering Temperature ◽  
Microwave Dielectric Properties ◽  
Sintering Behavior ◽  
Solid State Method ◽  
Zinc Titanate ◽  
Microwave Dielectric ◽  
Conventional Solid State Method ◽  
State Method ◽  
Titanate Ceramics

The effects of CuO-MoO3 addition on the sintering behavior and microwave dielectric properties of ZnO-TiO2 ceramics were investigated. ZnO-TiO2 ceramics were prepared with conventional solid-state method and sintered at temperatures from 850 to 1050 °C. The sintering temperature of ZnO-TiO2 ceramics with CuO-MoO3 addition could be effectively reduced to 950 °C due to the liquid phase effects resulting from the additives. A proper amount of CuO-MoO3 addition could effectively improve the densification and microwave dielectric properties of ZnO-TiO2 ceramics. ZnO-TiO2 ceramics with 3 wt% addition sintered at 950 °C for 4 h exhibited better microwave dielectric properties as follows: εr of 26.8, a Q×f value of 16780 GHz at 5.42 GHz, and a τ f value of +34.7 ppm/°C.

Effects of Compounding Addition of Sintering Aids on DC Bias Superposition Characteristic of NiCuZn Ferrites

2013 ◽  
Vol 668 ◽  
pp. 21-24
Author(s):  
Li Dong ◽  
Ze Kun Feng ◽  
Shuo Qing Yan
Keyword(s):  
Grain Size ◽  
Solid State ◽  
Significant Relationship ◽  
Sintering Aids ◽  
Solid State Method ◽  
Conventional Solid State Method ◽  
Dc Bias ◽  
State Method

NiCuZn ferrites were prepared through conventional solid-state method. The effects of the sintering aids such as Bi2O3 and glass on the DC bias superposition characteristic of NiCuZn Ferrites were investigated. It was apparently discovered that when the glass and the Bi2O3 were doped together, the grain size was distributed consistently and the DC bias superposition characteristic reached an achievement comparing to the situation when the Bi2O3 and glass were doped alone. Additionally, it was also observed that the DC bias superposition characteristic had a significant relationship with Hc and △B.

Effect of NaNO3 as Enhancer on YBa2Cu4O8 Superconductor Phase Formation via Solid State Technique with Heating at Ordinary Oxygen Pressure

2016 ◽  
Vol 840 ◽  
pp. 326-330
Author(s):  
Choon Min Cheong ◽  
Nursyafiqah Ismail ◽  
Noor Azlina Mohd Sarip ◽  
Noor Hakimah Hamzah ◽  
Nur Aleeya Ameera Ruzman ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Solid State ◽  
Phase Formation ◽  
Oxygen Pressure ◽  
Formation Processes ◽  
Research Groups ◽  
Solid State Method ◽  
Conventional Solid State Method ◽  
State Technique ◽  
State Method

YBa2Cu4O8 has emerged as better choice in superconducting application thank to it strong thermal stability. High pressure techniques had been employed for the preparation of YBa2Cu4O8 but it might costly and/or inconvenient. Several research groups had showed that the YBa2Cu4O8 can also be prepared by conventional solid state method with heating at 1 atm oxygen pressure; however the phase formation processes are yet brief and clear. This work infiltrated the phase formation processes in preparing the YBa2Cu4O8 under solid state method with heating at 1 atm oxygen pressure. The effectiveness of the use of sodium nitrate as an enhancer was brought to light by the experiment results. Significant YBa2Cu4O8 phases were successfully synthesized.

Cu-doped P2-Na0.5Ni0.33Mn0.67O2 encapsulated with MgO as a novel high voltage cathode with enhanced Na-storage properties

2017 ◽  
Vol 5 (18) ◽  
pp. 8408-8415 ◽  
Author(s):  
Hari Vignesh Ramasamy ◽  
Karthikeyan Kaliyappan ◽  
Ranjith Thangavel ◽  
Vanchiappan Aravindan ◽  
Kisuk Kang ◽  
...  
Keyword(s):  
Solid State ◽  
High Voltage ◽  
Mixed Oxide ◽  
Sodium Ion ◽  
Sodium Ion Battery ◽  
Solid State Method ◽  
Conventional Solid State Method ◽  
State Method ◽  
Storage Properties

We report a novel P2-type Na0.5Ni0.26Cu0.07Mn0.67O2 (NCM) mixed oxide obtained by conventional solid-state method as a prospective cathode for sodium-ion battery (SIB) applications.

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