Formation of metastable calcite-type barium carbonate during low-temperature decomposition of (Ba,Ti)-precursor complexes
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چکیده
منابع مشابه
Barium isotope fractionation during experimental formation of the double carbonate BaMn[CO3](2) at ambient temperature.
In this study, we present the first experimental results for stable barium (Ba) isotope ((137)Ba/(134)Ba) fractionation during low-temperature formation of the anhydrous double carbonate BaMn[CO(3)](2). This investigation is part of an ongoing work on Ba fractionation in the natural barium cycle. Precipitation at a temperature of 21±1°C leads to an enrichment of the lighter Ba isotope described...
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Formation of metastable phases by spinodal decomposition
Metastable phases may be spontaneously formed from other metastable phases through nucleation. Here we demonstrate the spontaneous formation of a metastable phase from an unstable equilibrium by spinodal decomposition, which leads to a transient coexistence of stable and metastable phases. This phenomenon is generic within the recently introduced scenario of the landscape-inversion phase transi...
متن کاملthe investigation of the relationship between type a and type b personalities and quality of translation
چکیده ندارد.
Loss of Radioactivity From Barium Carbonate Samples.
The exchange loss of radioactivity from solid samplos of barium carbonate through the agency of carbonic acid and its ions has beon investigated under a variety of conditions. It is concluded that tho losses observed are greatly dependent upon the method of sample proparation, in particular the nature or any heat troatment which the sample materials undergo. This paper is based upon work porfor...
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ژورنال
عنوان ژورنال: Solid State Sciences
سال: 2007
ISSN: 1293-2558
DOI: 10.1016/j.solidstatesciences.2007.02.003