A kind of preparation method of magneto-optic holmium oxide transparent ceramic
A technology of transparent ceramics and holmium oxide, which is applied in the field of preparation of oxide transparent ceramics, can solve the problems of uneven distribution of fluoride additives and high linear transmittance of holmium oxide transparent ceramics, achieve high practical application value, and overcome uneven distribution , The effect of low preparation cost
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Embodiment 1
[0034] A kind of preparation method of magneto-optic holmium oxide transparent ceramics proposed in this embodiment, it comprises the following steps:
[0035] Step 1: Prepare a holmium nitrate solution with a concentration of 0.25 mol / L; and prepare an ammonium fluoride solution with a concentration of 0.5 mol / L.
[0036]In this embodiment, the configuration process of the holmium nitrate solution is: dissolving holmium oxide in the nitric acid solution to obtain a holmium nitrate solution with a concentration of 0.25mol / L; the configuration process of the ammonium fluoride solution is: dissolving ammonium fluoride in Prepare in water to obtain an ammonium fluoride solution with a concentration of 0.5 mol / L.
[0037] Step 2: At a temperature of 0°C, add ammonia water with a concentration of 1mol / L to the holmium nitrate solution dropwise at a rate of 10mL / min, and make the pH value at the end point of the titration be 10, and continue to age after the titration. After 0.5h, ...
Embodiment 2
[0043] A kind of preparation method of magneto-optic holmium oxide transparent ceramics proposed in this embodiment, it comprises the following steps:
[0044] Step 1: Prepare a holmium nitrate solution with a concentration of 0.15 mol / L; and prepare an ammonium fluoride solution with a concentration of 0.03 mol / L.
[0045] In this embodiment, the configuration process of the holmium nitrate solution is: dissolving holmium nitrate in deionized water to obtain a holmium nitrate solution with a concentration of 0.15 mol / L; the configuration process of the ammonium fluoride solution is: dissolving ammonium fluoride in Configure in water to obtain ammonium fluoride solution with a concentration of 0.03mol / L.
[0046] Step 2: At a temperature of 2°C, add ammonia water with a concentration of 1mol / L to the holmium nitrate solution dropwise at a rate of 5mL / min, and make the pH at the end point of the titration 9.5, and continue to age after the titration. After 2h and 2h, a white p...
Embodiment 3
[0052] A kind of preparation method of magneto-optic holmium oxide transparent ceramics proposed in this embodiment, it comprises the following steps:
[0053] Step 1: Prepare a holmium nitrate solution with a concentration of 0.1mol / L; and prepare an ammonium fluoride solution with a concentration of 0.01mol / L.
[0054] In this embodiment, the configuration process of the holmium nitrate solution is: dissolving holmium nitrate in deionized water to obtain a holmium nitrate solution with a concentration of 0.1mol / L; the configuration process of the ammonium fluoride solution is: dissolving ammonium fluoride in Prepare in water to obtain ammonium fluoride solution with a concentration of 0.01mol / L.
[0055] Step 2: At a temperature of 5°C, add ammonia water with a concentration of 1mol / L to the holmium nitrate solution dropwise at a rate of 3mL / min, and make the pH value at the end point of the titration be 9, and continue to age after the titration. After 1 h, a white precipi...
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