Machaka, RonaldMwakikunga, Bonex WManikandan, EDerry, TESigalas, I2012-01-192012-01-192011Machaka, R., Mwakikunga, B.W. et al. 2011. Raman spectra of hot-pressed boron suboxide. Advanced Materials Letters, Vol 2(1), pp 58-64http://www.amlett.com/journal_March2011_Vol2_Issu1/article/58-64.pdfhttp://hdl.handle.net/10204/5510DOI: 10.5185/amlett.2010.9167https://www.vbripress.com/aml/articles/details/135Copyright: 2011 VBRI press.Despite hot pressing being the most popular method of consolidating B6O powder, the Raman spectrum of polycrystalline hot-pressed B6O was until now poorly understood. Yet, recent reports have contributed to the understanding of only high-pressure and high-temperature sintered B6O. Using an automated method for subtraction of the fluorescence background from Raman measurements, the first- and second-order Raman spectra of B6O and their dependence on the wavelength of the excitation line from a green Argon ion (Ar+) laser are reported. The authors' results confirm the existence of observable highly resolved first- and second-order Raman modes measured at ambient conditions using a green Ar+ ion laser as the source of excitation. They also extend their study to present a comparative analysis of their recovered first-order Raman spectra and previously reported first-order Raman spectra other a-rhombohedral boron type based ultra-hard boron-rich ceramic materials. The results show an overall good agreement.enHot-pressed boron suboxideRaman spectroscopyFluorescence background subtractionPolymeric materialsMaterial sciencesArticleMachaka, R., Mwakikunga, B. W., Manikandan, E., Derry, T., & Sigalas, I. (2011). Raman spectra of hot-pressed boron suboxide. http://hdl.handle.net/10204/5510Machaka, Ronald, Bonex W Mwakikunga, E Manikandan, TE Derry, and I Sigalas "Raman spectra of hot-pressed boron suboxide." (2011) http://hdl.handle.net/10204/5510Machaka R, Mwakikunga BW, Manikandan E, Derry T, Sigalas I. Raman spectra of hot-pressed boron suboxide. 2011; http://hdl.handle.net/10204/5510.TY - Article AU - Machaka, Ronald AU - Mwakikunga, Bonex W AU - Manikandan, E AU - Derry, TE AU - Sigalas, I AB - Despite hot pressing being the most popular method of consolidating B6O powder, the Raman spectrum of polycrystalline hot-pressed B6O was until now poorly understood. Yet, recent reports have contributed to the understanding of only high-pressure and high-temperature sintered B6O. Using an automated method for subtraction of the fluorescence background from Raman measurements, the first- and second-order Raman spectra of B6O and their dependence on the wavelength of the excitation line from a green Argon ion (Ar+) laser are reported. The authors' results confirm the existence of observable highly resolved first- and second-order Raman modes measured at ambient conditions using a green Ar+ ion laser as the source of excitation. They also extend their study to present a comparative analysis of their recovered first-order Raman spectra and previously reported first-order Raman spectra other a-rhombohedral boron type based ultra-hard boron-rich ceramic materials. The results show an overall good agreement. DA - 2011 DB - ResearchSpace DP - CSIR KW - Hot-pressed boron suboxide KW - Raman spectroscopy KW - Fluorescence background subtraction KW - Polymeric materials KW - Material sciences LK - https://researchspace.csir.co.za PY - 2011 T1 - Raman spectra of hot-pressed boron suboxide TI - Raman spectra of hot-pressed boron suboxide UR - http://hdl.handle.net/10204/5510 ER -