A kind of TM-sensitized yttrium oxide-based laser ceramics and preparation method thereof
A technology of laser ceramics and yttrium oxide, which is applied in the field of material science, can solve problems such as errors and losses, and achieve good sintering activity and good luminous performance.
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Embodiment 1
[0025] Embodiment 1: (Y 0.84 T m 0.08 Ho 0.08 ) 2 o 3 -0.01(Y 0.95 La 0.05 ) 2 o 3 (x=0.08, y=0.08, z=0.05, M=Ho, N=La)
[0026] Weigh 0.84 mol of yttrium nitrate, 0.08 mol of thulium nitrate, and 0.08 mol of holmium nitrate into deionized water and mix evenly, then use zirconia balls as the grinding medium, ball mill and mix for 4 hours, dry and then calcinate at 1550 °C for 2 hours , get (Y,Tm,Ho) 2 o 3 phase powder. Weigh 0.0095 mol of yttrium nitrate and 0.0005 mol of lanthanum nitrate into deionized water and mix evenly, then add the above synthesized (Y, Tm, Ho) 2 o 3 phase powder, ball milled for 4 hours, and then the mixture was spray-dried to remove deionized water. Put the powder obtained after spray drying into a mold, shape it under a pressure of 10 MPa, then heat it up to 1050 °C for 4 hours, put it into an isostatic press after cooling, and perform isostatic pressing at 300 MPa; The product after isostatic pressing was placed in a vacuum furnace, ke...
Embodiment 2
[0027] Embodiment 2: (Y 0.985 T m 0.01 Dy 0.005 ) 2 o 3 -0.2(Y 0.88 La 0.09 Zr 0.03 ) 2 o 3 (x=0.01, y=0.005, z=0.12, M=Dy, N=La, Zr)
[0028] Weigh 0.45 mol of yttrium oxide, 0.085 mol of yttrium nitrate, 0.01 mol of thulium nitrate, and 0.005 mol of dysprosium acetate into deionized water and mix evenly, then use zirconia balls as the grinding medium, ball mill and mix for 24 hours, dry and then Calcined at 1250°C for 8 hours to obtain (Y, Tm, Dy) 2 o 3 phase powder. Weigh 0.176 mol of yttrium nitrate, 0.018 mol of lanthanum nitrate, and 0.006 mol of zirconium nitrate into deionized water and mix evenly, then use zirconia balls as the grinding medium, ball mill and mix for 24 hours, dry and then calcinate at 1050 °C for 1 hour , get (Y,La,Zr) 2 o 3 phase powder. The above prepared (Y, Tm, Dy) 2 o 3 Phase powder and (Y,La,Zr) 2 o 3 Mix the phase powders, put them into a ball mill jar, use zirconia balls as the grinding medium, and ball mill and mix for 24 h...
Embodiment 3
[0029] Embodiment 3: (Y 0.8 T m 0.1 Er 0.1 ) 2 o 3 -0.1(Y 0.8 La 0.1 Ti 0.05 Al 0.05 ) 2 o 3 (x=0.1, y=0.1, z=0.2, M=Er, N=La,Ti,Al)
[0030] Weigh 0.25 mol of yttrium oxide, 0.15 mol of yttrium nitrate, 0.15 mol of yttrium acetate, 0.1 mol of thulium nitrate, and 0.1 mol of erbium acetate into deionized water and mix them evenly, then use zirconia balls as the grinding medium, and ball mill and mix 12 hours, dried and then calcined at 1500 °C for 6 hours to obtain (Y, Tm, Er) 2 o 3 phase powder. Weigh 0.04 mol of yttrium nitrate, 0.04 mol of yttrium acetate, 0.01 mol of lanthanum acetate, 0.005 mol of tetrabutyl titanate, and 0.005 mol of aluminum nitrate into deionized water and mix well, then add the above synthesized (Y, Tm,Er) 2 o 3 phase powder, ball milled for 12 hours, and then the mixture was spray-dried to remove deionized water. Put the powder obtained after spray drying into a mold, shape it under a pressure of 20 MPa, then heat it up to 1250 °C for...
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