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2015 4 15   Electron doped perovskite Ca 1− x Bi x MnO 3 x = 0, 0.02, 0.03, 0.04, 0.06 and 0.10 was prepared by a conventional solid state reaction method. Their homogeneity was confirmed using X ray diffraction and their thermoelectric properties were measured up to 973 K.The results indicate that both the electrical resistivity and the absolute value of the Seebeck coefficient

2014 6 20   Bi and p NaCo 2 O 4 /Ag Thermoelectric Cell by Finite Element Method, Integrated Ferroelectrics: An International Journal, 156:1, 6 14, DOI: 10.1080/10584587.2014.906181

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2019 3 7   A two step synthesis approach was utilized to grow CaMnO3 on M, R and C plane sapphire substrates. Radio frequency reactive magnetron sputtering was used to grow rock salt structured Ca, Mn O followed by a 3 h annealing step at 800 C in oxygen flow to form the distorted perovskite phase CaMnO3. The effect of temperature in the post annealing step was

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Хятад улс LHB Агаарын ангилагч үйлдвэр үйлдвэрлэгчид . LHB Air Classifier Working Principle Materials are fed into self diffluent classification system for first time separating majority coarse materials will be separated and the remained coarse materials will be sorted out in second time classifying Qualified powders will be collected together a

нунтаглах тээрэм 15ft x 19 ft үнэ. hyderababadabad дахь чулуулгийн дээжийн нунтаглах тээрэм Andhra Pradesh Wikipedia Andhra Pradesh ˌ ɑː n d r ə p r ə ˈ d ɛ ʃ pronunciation help info is one of the 29 states of India Situated in the southeast of the country it is the eighthlargest state in India covering an area of

2009 11 13   High temperature thermoelectric properties of the Ca1 xBixMnO3 system. Polycrystalline samples of Ca 1 x Bi x MnO 3 0.02 ≤ x ≤ 0.20 were studied by means of x ray diffraction, electrical resistivity p, thermoelectric power S,

2017 1 1   The SEM image shows good compactness and connecting grain. Then Ï of all doped samples were decreased with decreasing Bi contents and showed metallic behavior. The κ has been lowest at x = 0.03 of 3.6 W m 1 K 1 at 473 K. The highest ZT = 0.065 at 473 K was increased more than un doped CaMnO3 about 95 %.

2020 11 27    . camno3 . s1. ph3 4 60 90℃10 24h 1:1 3:1 3

2019 12 15   The result of TG DTA analysis of the as prepared CaMnO 3 nanopowders between room temperature and 1000 C under air atmosphere is shown in Fig. 1.The total weight loss observed in three different temperature regions, where the first weight loss occurs from room temperature to 296 C, accompanied by an endothermic peak at 238 C, due to adsorbed

2014 6 20   Bi and p NaCo 2 O 4 /Ag Thermoelectric Cell by Finite Element Method, Integrated Ferroelectrics: An International Journal, 156:1, 6 14, DOI: 10.1080/10584587.2014.906181

2007 4 7   The procedure is applied to compare the degree of ionicity in NiO and MnO and to explain the existence or absence of Jahn Teller distortions in LaMnO3, CaMnO3, and CaFeO3. The authors find that the ground state of LaMnO3 is dominated by non charge transfer configurations, whereas the charge transfer configurations dominate the ground state wave

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2020 1 23   Electron and phonon transports in CaMnO3 and its Bi doped counterpart, Bi0.03Ca0.97MnO3, are investigated by thermoelectric transport measurements, Raman spectroscopy, and first principles calculations. In particular, we focus on CaMnO3 and Bi0.03Ca0.97MnO3's electronic structures, temperature dependent electron and phonon

2015 4 15   Electron doped perovskite Ca 1− x Bi x MnO 3 x = 0, 0.02, 0.03, 0.04, 0.06 and 0.10 was prepared by a conventional solid state reaction method. Their homogeneity was confirmed using X ray diffraction and their thermoelectric properties were measured up to 973 K.The results indicate that both the electrical resistivity and the absolute value of the Seebeck coefficient

The CaMnO3 oxide can reversibly release oxygen over a relatively wide range of temperatures and oxygen partial pressures pO2 and is thus a promising candidate for thermochemical heat storage in Concentrated Solar Power CSP plants. Moreover, it is composed of earth abundant, inexpensive and non toxic elem Recent Open Access Articles