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022			_a09743626
040			_aMSU _bEnglish _cMSU _erda
050	0	0	_aQD31 JOU
100	1		_aDimitrovska-Lazova, Sandra _eauthor
245	1	0	_aSynthesis and crystal structure determination of YCo1−x Fe x O3 (x = 0, 0.33, 0.5, 0.67 and 1) perovskites / _ccreated by Sandra Dimitrovska-Lazova, Slobotka Aleksovska and Peter Tzvetkov
264	1		_aBangalore : _bSpringer, _c2015.
336			_2rdacontent _atext _btxt
337			_2rdamedia _aunmediated _bn
338			_2rdacarrier _avolume _bnc
440			_aJournal of chemical sciences _vVolume 127, number 7,
520	3		_aThe results on synthesis, crystal structure determination and calculation of crystallochemical parameters of YCo1−x Fe x O3 (x = 0, 0.33, 0.5, 0.67 and 1) perovskites are presented in this work. The compounds within this series were synthesized by solution combustion method using two different fuels: urea and citric acid. It was found that iron-containing perovskites, obtained by citric acid as a fuel are of better quality and crystallinity. All the compounds crystallize in Pnma space group with Z= 4. According to the structure and the calculated crystallochemical parameters, the coordination number of Y3+ in these perovskites is 8. The unit cell parameter relationship is of O−type suggesting that the main reason for distortion of ideal perovskite structure is the octahedral tilting. The deformation of the octahedrons, as well as the tilting angles, are increasing with the increasing content of Fe3+ but the calculated global instability indices (GII) show that the stability of the perovskite structure is increasing with increasing of the Fe3+ content.
650			_aComplex perovskites _vXRD _xCrystal structure
700	1		_aAleksovska, Slobotka _eco author
700	1		_aTzvetkov, Peter _eco author
856			_uhttps://doi.org/10.1007/s12039-015-0878-y
942			_2lcc _cJA
999			_c169359 _d169359