Characterization of MMoO4 (M = Ba, Sr and Ca) with different morphologies prepared using a cyclic microwave radiation
Scheelite molybdates (MMoO4, M = Ba, Sr and Ca) were successfully prepared by the reactions of M(NO3)2·2H2O and Na2MoO4·2H2O in propylene glycol and NaOH using a microwave radiation. The phases were detected using XRD and SAED. TEM analysis revealed the presence of micro-sized bi-pyramids with a squ...
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th-cmuir.6653943832-56132014-08-30T02:56:43Z Characterization of MMoO4 (M = Ba, Sr and Ca) with different morphologies prepared using a cyclic microwave radiation Thongtem T. Phuruangrat A. Thongtem S. Scheelite molybdates (MMoO4, M = Ba, Sr and Ca) were successfully prepared by the reactions of M(NO3)2·2H2O and Na2MoO4·2H2O in propylene glycol and NaOH using a microwave radiation. The phases were detected using XRD and SAED. TEM analysis revealed the presence of micro-sized bi-pyramids with a square base, nano-sized particles in clusters, and dispersed nano-sized particles for BaMoO4, SrMoO4 and CaMoO4, respectively. Diffraction patterns of the bi-pyramids were simulated, and are in accord with the experimental results. Raman and FTIR spectra provide the evidence of scheelite structure with Mo-O stretching vibration in MoO42- tetrahedrons at 742-901 cm- 1. © 2007 Elsevier B.V. All rights reserved. 2014-08-30T02:56:43Z 2014-08-30T02:56:43Z 2008 Article 0167577X 10.1016/j.matlet.2007.05.059 MLETD http://www.scopus.com/inward/record.url?eid=2-s2.0-36448932718&partnerID=40&md5=9974e0773e47e1ed7c09f632fa2a4543 http://cmuir.cmu.ac.th/handle/6653943832/5613 English |
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Scheelite molybdates (MMoO4, M = Ba, Sr and Ca) were successfully prepared by the reactions of M(NO3)2·2H2O and Na2MoO4·2H2O in propylene glycol and NaOH using a microwave radiation. The phases were detected using XRD and SAED. TEM analysis revealed the presence of micro-sized bi-pyramids with a square base, nano-sized particles in clusters, and dispersed nano-sized particles for BaMoO4, SrMoO4 and CaMoO4, respectively. Diffraction patterns of the bi-pyramids were simulated, and are in accord with the experimental results. Raman and FTIR spectra provide the evidence of scheelite structure with Mo-O stretching vibration in MoO42- tetrahedrons at 742-901 cm- 1. © 2007 Elsevier B.V. All rights reserved. |
| format |
Article |
| author |
Thongtem T. Phuruangrat A. Thongtem S. |
| spellingShingle |
Thongtem T. Phuruangrat A. Thongtem S. Characterization of MMoO4 (M = Ba, Sr and Ca) with different morphologies prepared using a cyclic microwave radiation |
| author_facet |
Thongtem T. Phuruangrat A. Thongtem S. |
| author_sort |
Thongtem T. |
| title |
Characterization of MMoO4 (M = Ba, Sr and Ca) with different morphologies prepared using a cyclic microwave radiation |
| title_short |
Characterization of MMoO4 (M = Ba, Sr and Ca) with different morphologies prepared using a cyclic microwave radiation |
| title_full |
Characterization of MMoO4 (M = Ba, Sr and Ca) with different morphologies prepared using a cyclic microwave radiation |
| title_fullStr |
Characterization of MMoO4 (M = Ba, Sr and Ca) with different morphologies prepared using a cyclic microwave radiation |
| title_full_unstemmed |
Characterization of MMoO4 (M = Ba, Sr and Ca) with different morphologies prepared using a cyclic microwave radiation |
| title_sort |
characterization of mmoo4 (m = ba, sr and ca) with different morphologies prepared using a cyclic microwave radiation |
| publishDate |
2014 |
| url |
http://www.scopus.com/inward/record.url?eid=2-s2.0-36448932718&partnerID=40&md5=9974e0773e47e1ed7c09f632fa2a4543 http://cmuir.cmu.ac.th/handle/6653943832/5613 |
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