Frequency dependence of Néel temperature in CaMnO3−δ ceramics: Synthesized by two different methods

Kompany, Ahmad; Ghorbani-Moghadam, T.; Kafash, S; Abrishami, M. Ebrahimizadeh

doi:10.1016/j.jmmm.2013.08.015

Cited by 7 publications

(4 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Besides, CaMnO 3 is a G-type antiferromagnetic (AFM) insulator with perovskite structure and Pnma space group. It has an additional weak ferromagnetic component in its ground state [3].…”

Section: Introductionmentioning

confidence: 99%

“…The objective of this work is to investigate the influence of cation substitution on the microwave absorbing properties of CaMnO 3 . 3 were used as starting materials and they were of analytical purity. Among them, NH 4 HCO 3 was used as precipitant to associate the Ca 2?…”

Section: Introductionmentioning

confidence: 99%

“…together to form the precipitation. The process of the experiment was as follows: firstly, stoichiometric amounts of 50 % Mn(NO 3 …”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Co-precipitation synthesis and microwave absorption properties of CaMnO3 doped by La and Co

Zhao

Jiao

Jiang

et al. 2015

J Mater Sci: Mater Electron

View full text Add to dashboard Cite

In this paper, co-precipitation synthesized CaMnO 3 doped by La and Co was reported for the first time as electromagnetic wave absorbing material. Comparative analysis of results shows that doping of La has a greater effect on the complex permittivity than on the complex permeability. The incorporation of the La and Co makes CaMnO 3 get a stronger dielectric polarization effect and lower the resonance frequency, which improves the electromagnetic absorbing properties of it. The wave-absorbing property is pretty good when CaMnO 3 doped with La and Co, the maximum reflection loss is -25 dB at 11.71 GHz with a thickness of 2 mm. Moreover, the bandwidth with the reflection loss above 10 dB is reached about 3.5 GHz.

show abstract

“…Besides, CaMnO 3 is a G-type antiferromagnetic (AFM) insulator with perovskite structure and Pnma space group. It has an additional weak ferromagnetic component in its ground state [3].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Co-precipitation synthesis and microwave absorption properties of CaMnO3 doped by La and Co

Zhao

Jiao

Jiang

et al. 2015

J Mater Sci: Mater Electron

View full text Add to dashboard Cite

show abstract

“…Many properties of nanosized particles deviate from their bulk counterparts [3,4]. The Nèel temperature (T N ), the temperature above which an antiferromagnetic or ferrimagnetic material becomes paramagnetic, is of considerable importance and relevant research works have been intensively reported in past few years [5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%