References
[1] Liu S, Huang Y, Lu Z, Cen W, Yu X, Qing S, et al. Surface property of the Cu doped γ-Al2O3: A density functional theory study. Appl Surf Sci. 2021;535:147651.
doi:10.1016/j.apsusc.2020.147651.
[2] Wang SF, Zhuang CF, Yuan YG, Xiang X, Sun GZ, Ding QP, et al. Synthesis and Photoluminescence of γ-Al2O3 and C-doped γ-Al2O3 Powders. Trans Indian Ceram Soc. 2014;73(1):37-42. doi:10.1080/0371750X.2014.890464.
[3] Cai W, Zhang S, Lv J, Chen J, Yang J, Wang Y, et al. Nanotubular gamma alumina with high-energy external surfaces: synthesis and high performance for catalysis. ACS Catal. 2017;7(6):4083-92. doi:10.1021/acscatal.7b00080.
[4] Keyvanloo K, Mardkhe MK, Alam TM, Bartholomew CH, Woodfield BF, Hecker WC. Supported iron Fischer-Tropsch catalyst: Superior activity and stability using a thermally stable silica-doped alumina support. ACS Catal. 2014;4(4):1071-7. doi:10.1021/cs401242d.
[5] Kusunoki M, Rokkaku M, Ikuhara Y, Yanagida H. TEM study on stability of Mg-doped γ-alumina fine particles. Mater Trans JIM. 1998;39(1):110-3. doi:10.2320/matertrans1989.39.110.
[6] de Oliveira RAMP, da Silva AL, Caliman LB, Gouvêa D. Interface excess on Li2O-doped γ-Al2O3 nanoparticles. Ceram Int. 2020;46(8 Pt B):10555-60.
doi:10.1016/j.ceramint.2020.01.057.
[7] Lambert JF, Che M. The molecular approach to supported catalysts synthesis: state of the art and future challenges. J Mol Catal A Chem. 2000;162(1-2):5-18. doi:10.1016/S1381-1169(00)00318-6.
[8] Pines H, Haag WO. Alumina: catalyst and support. I. alumina, its intrinsic acidity and catalytic activity. J Am Chem Soc. 1960;82(10):2471-83. doi:10.1021/ja01495a021.
[9] Hall WK, Lutinski FE, Gerberich HR. Studies of the hydrogen held by solids: VI. The hydroxyl groups of alumina and silica-alumina as catalytic sites. J Catal. 1964;3:512-27. doi:10.1016/0021-9517(64)90051-X.
[10] Busca G. The surface of transitional aluminas: A critical review. Catal Today. 2014;226:2-13. doi:10.1016/j.cattod.2013.08.003.
[11] Kakooei S, Rouhi J, Mohammadpour E, Alimanesh M, Dehzangi A. Synthesis and characterization of Cr-doped Al2O3 nanoparticles prepared via aqueous combustion method. Casp J Appl Sci Res. 2012;13:16-22.
[12] Wrzyszcz J, Miśta W, Hreniak D, Stręk W, Zawadzki M, Grabowska H. Preparation and optical properties of nanostructured europium-doped γ-Al2O3. J Alloys Compd. 2002;341(1-2):358-61. doi:10.1016/S0925-8388(02)00037-3.
[13] Salek G, Devoti A, Lataste E, Demourgues A, Garcia A, Jubera V, et al. Optical properties versus temperature of Cr-doped γ-and α-Al2O3: Irreversible thermal sensors application. J Lumin. 2016;179:189-96. doi:10.1016/j.jlumin.2016.07.004.
[14] Mohammed Saad AB, Ivanov VA, Lavalley JC, Nortier P, Luck F. Comparative study of the effects of sodium impurity and amorphisation on the Lewis acidity of γ-alumina. Appl Catal A Gen. 1993;94(1):71-83. doi:10.1016/0926-860X(93)80046-S.
[15] Srinivasan S, Narayanan CR, Datye AK. The role of sodium and structure on the catalytic behavior of alumina: II. IR spectroscopy. Appl Catal A Gen. 1995;132(2):289-308.
doi:10.1016/0926-860X(95)00162-X.
[16] Scokart PO, Amin A, Defossa C, Rouxhet PG. Direct probing of the surface properties of alkali-treated aluminas by infrared and x-ray photoelectron spectroscopy. J Phys Chem. 1981;85(10):1406-12. doi:10.1021/j150610a027.
[17] Ivanov VA, Piéplu A, Lavalley JC, Nortier P. Effect of sodium oxide on the morphology and basicity of alumina. Appl Catal A Gen. 1995;131(2):323-34. doi:10.1016/0926-860X(95)00149-2.
[18] Srinivasan S, Narayanan CR, Biaglow A, Gorte R, Datye AK. The role of sodium and structure on the catalytic behavior of alumina: I. Isopropanol dehydration activity. Appl Catal A Gen. 1995;132(2):271-87. doi:10.1016/0926-860X(95)00161-1.
[19] Gu Q, Zhang YX, Ma WK, Liu GQ, Liu XH, Li HX. Interfacial spinellisation of MgO-C/Al2O3-C composite functional refractory component at high temperatures. Ceram Int. 2021;47(2):2705-14. doi:10.1016/j.ceramint.2020.09.122.
[20] Sun N, Jiang H, Zhao X, Deng X, Zhang W. High-temperature protection performance of Mg-doped Al2O3 protective layers on the thin film thermocouples. Ceram Int. 2024;50(20 Pt B):36537-43. doi:10.1016/j.ceramint.2024.07.040.
[21] Sakaguchi I, Srikanth V, Ikegami T, Haneda H. Grain-boundary diffusion of oxygen in alumina ceramics. J Am Ceram Soc. 1995;78(9):2557-9.
doi:10.1111/j.1151-2916.1995.tb08703.x.
[22] Kim HS, Park NK, Lee TJ, Um MH, Kang M. Preparation of Nanosized α‐Al2O3 Particles Using a Microwave Pretreatment at Mild Temperature. Adv Mater Sci Eng. 2012;2012:920105. doi:10.1155/2012/920105.
[23] Buwono HP, Adiwidodo S, Wicaksono H, Firmansyah HI. Hydrothermal synthesis and characterization of nano-particles γ-Al2O3. IOP Conf Ser Mater Sci Eng. 2021;1073(1):012011. doi:10.1088/1757-899X/1073/1/012011.
[24] Rani G, Sahare PD. Structural and photoluminescent properties of Al2O3: Cr3+ nanoparticles via solution combustion synthesis method. Adv Powder Technol. 2014;25(2):767-72. doi:10.1016/j.apt.2013.11.009.
[25] Kılınç N, Arda L, Öztürk S, Öztürk ZZ. Structure and electrical properties of Mg‐doped ZnO nanoparticles. Cryst Res Technol. 2010;45(5):529-38. doi:10.1002/crat.200900662.
[26] Heiba ZK, Mohamed MB, Wahba AM, Imam NG. Structural, optical, and electronic characterization of Fe-doped alumina nanoparticles. J Electron Mater. 2018;47(2):711-20. doi:10.1007/s11664-017-5830-0.
[27] Lewis PM, Keerthana N, Hebbar ND, Choudhari KS, Kulkarni SD. Cr3+ doped Al2O3 nanoparticles: Effect of Cr3+ content in intensifying red emission. Curr Appl Phys. 2021;32:71-7. doi:10.1016/j.cap.2021.10.003.
[28] Praveenkumar N, Rao NM. Ni doped Zn3P2 nanoparticles: synthesis, structural, optical, and magnetic properties. J Supercond Nov Magn. 2023;(article in press). doi:10.1007/s10948-023-06670-w.
[29] Mohammed AA, Khodair ZT, Khadom AA. Preparation and investigation of the structural properties of α-Al2O3 nanoparticles using the sol-gel method. Chem Data Collect. 2020;29:100531. doi:10.1016/j.cdc.2020.100531.
[30] Zhu L, Liu L, Sun C, Zhang X, Zhang L, Gao Z, et al. Low temperature synthesis of polyhedral α-Al2O3 nanoparticles through two different modes of planetary ball milling. Ceram Int. 2020;46(17):28414-21. doi:10.1016/j.ceramint.2020.07.346.
[31] Morinaga K, Torikai T, Nakagawa K, Fujino S. Fabrication of fine α-alumina powders by thermal decomposition of ammonium aluminium carbonate hydroxide (AACH). Acta Mater. 2000;48(18-19):4735-41. doi:10.1016/S1359-6454(00)00265-2.
[32] Billik P, Čaplovičová M, Turányi T, Čaplovič L, Horváth B. Low-temperature mechanochemical–thermal synthesis of α-Al2O3 nano-crystals. Mater Res Bull. 2011;46(11):2135-40. doi:10.1016/j.materresbull.2011.06.022.
[33] Udhayabanu V, Murty BS. Synthesis of Nanocrystalline α-Al2O3 from Nanocrystalline Boehmite Derived from High Energy Ball Mill-ing of Gibbiste. Trans Indian Inst Met. 2011;64(4-5):535-40. doi:10.1007/s12666-011-0086-5.
[34] Tanaka I, Oba F, Tatsumi K, Kunisu M, Nakano M, Adachi H. Theoretical formation energy of oxygen-vacancies in oxides. Mater Trans. 2002;43(7):1426-9.
doi:10.2320/matertrans.43.1426.
[35] Carrasco J, Gomes JRB, Illas F. Theoretical study of bulk and surface oxygen and aluminum vacancies in α-Al2O3. Phys Rev B. 2004;69(6):064116.
doi:10.1103/PhysRevB.69.064116.
[36] Janetzko F, Evarestov RA, Bredow T, Jug K. First‐principles periodic and semiempirical cyclic cluster calculations for single oxygen vacancies in crystalline Al2O3. Phys Status Solidi B Basic Res. 2004;241(5):1032-40. doi:10.1002/pssb.200301961.
[37] Edalati K, Fujita I, Takechi S, Nakashima Y, Kumano K, Razavi-Khosroshahi H, et al. Photocatalytic activity of aluminum oxide by oxygen vacancy generation using high-pressure torsion straining. Scr Mater. 2019;173:120-4. doi:10.1016/j.scriptamat.2019.08.011.
[38] Choi M, Janotti A, Van de Walle CG. Native point defects and dangling bonds in α-Al2O3. J Appl Phys. 2013;113(4):044501. doi:10.1063/1.4784114.
[39] Lacombe S, Cardy H, Soggiu N, Blanc S, Habib-Jiwan JL, Soumillion JP. Diffuse reflectance UV–Visible spectroscopy for the qualitative and quantitative study of chromophores adsorbed or grafted on silica. Microporous Mesoporous Mater. 2001;46(2):311-9. doi:10.1016/S1387-1811(01)00315-8.
[40] Farahmandjou M, Motaghi S. Sol–gel synthesis of Ce-doped α-Al2O3: study of crystal and optoelectronic properties. Opt Commun. 2019;441:1-7. doi:10.1016/j.optcom.2019.02.029.
[41] Khodadadi A, Farahmandjou M, Yaghoubi M. Investigation on synthesis and characterization of Fe-doped Al2O3 nanocrystals by new sol–gel precursors. Mater Res Express. 2018;6(2):025029. doi:10.1088/2053-1591/aaef70.
[42] Wahab H, Khan RTA, Iqbal M. Tuning the local structure of (Sm, Co) Co-doped Al2O3 system for optical band gap and low dielectric loss. Ceram Int. 2024;50(23 Pt B):49235-42. doi:10.1016/j.ceramint.2024.09.267.