2013
DOI: 10.1016/j.solidstatesciences.2013.08.002
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Changes in electronic, magnetic and bonding properties from Zr2FeH5 to Zr3FeH7 addressed from ab initio

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Cited by 3 publications
(9 citation statements)
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“…The enthalpy of formation of Zr 2 Fe and Zr 2 FeH 5 according to reaction (13) and (14) can be calculated using the following equations: is thermodynamically more stable than Zr 2 Fe, which favors the formation of hydride from the intermetallic compound Zr 2 Fe. The enthalpy data of the compounds presented here are at 0 K. Practically, The hydrogenation of Zr 2 Fe takes place at higher temperature.…”
Section: Energetics and Electronic Propertiesmentioning
confidence: 99%
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“…The enthalpy of formation of Zr 2 Fe and Zr 2 FeH 5 according to reaction (13) and (14) can be calculated using the following equations: is thermodynamically more stable than Zr 2 Fe, which favors the formation of hydride from the intermetallic compound Zr 2 Fe. The enthalpy data of the compounds presented here are at 0 K. Practically, The hydrogenation of Zr 2 Fe takes place at higher temperature.…”
Section: Energetics and Electronic Propertiesmentioning
confidence: 99%
“…Few authors have studied the phase stability of the Zr 2 Fe before and after hydrogenation [10,11]. Recently, Matar et al [14] have investigated the changes in electronic, magnetic and bonding properties of Zr 2 Fe and Zr 3 Fe upon hydrogenation using the ab initio method. They have found that addition of Fe to ZrH 2 leading to formation of Zr 2 FeH 5 and Zr 3 FeH 7 destabilizes the hydride ZrH 2 .…”
Section: Introductionmentioning
confidence: 99%
“…Zr–Fe intermetallic compounds have been shown to improve the hydrogen storage properties such as kinetics and hydrogen storage capacity, when added to the main alloy [ 28 ]. As a result, this system is the focus of comprehensive research [ [36] , [37] , [38] , [39] , [40] ]. In the case of Zr 3 Fe, it has an absorption capacity of 2.0 wt% at room temperature and low pressure, it could be considered a suitable option for stationary hydrogen-based applications [ 36 ].…”
Section: Introductionmentioning
confidence: 99%
“…Regarding the use of Zr, several hydride phases have been observed [10]. However, FeH has not been experimentally observed yet [14]. In addition, ZrFe 2 is a bad hydride former, it is used when hydrogenation is to be avoided [10].…”
Section: Zr-fe Intermetallicsmentioning
confidence: 99%
“…Relative energies show that Zr 2 FeH 5 is more stable than its precursor Zr 2 Fe. On the other hand, Matar et al [14] used DFT to compare the stability in the series ZrH 2 , Zr 2 FeH 5 , ZrH 2 and FeH (hypothetical). Their geometry optimizations were in agreement with those of Chattaraj et al [19].…”
Section: Zr-fe Intermetallicsmentioning
confidence: 99%