A kind of multiferroic formate class limn (cooh) 3 single crystal material and preparation method thereof
A single crystal material, multiferroic technology, applied in the direction of polycrystalline material growth, single crystal growth, single crystal growth, etc., can solve the problems such as limitations and unreported preparation methods, and achieve easy operation, high product purity, and process reliability. Strong control effect
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Embodiment 1
[0026] Dissolve 2mmol of manganese formate, 2mmol of lithium formate, 5mL of N,N-dimethylformamide (DMF) in 30mL of distilled water, stir to make it fully dissolved; the molar ratio of manganese formate to lithium formate is 1:1, DMF and The volume ratio of distilled water is 1:6. Put the mixed solution into a reaction kettle, seal it, heat it to 110° C. for reaction, keep it warm for 50 hours, and then cool it naturally to room temperature. Take out the saturated supernatant liquid after reaction with a pipette and put it into the beaker cleaned in step (1), and then put the beaker into a constant temperature and humidity chamber; set a 30-stage cooling curve, and the temperature range is 30-21°C , each temperature difference is 0.3°C, each temperature interval is kept warm for 2 hours, and the humidity is 50%. The crystal particles at the bottom of the beaker were washed three times with absolute ethanol, and dried in vacuum at 60°C for 15 minutes to obtain colorless and tr...
Embodiment 2
[0029]As in Example 1, dissolve 2mmol of manganese formate, 2mmol of lithium formate, and 5mL of N,N-dimethylformamide (DMF) in 30mL of distilled water, and stir to fully dissolve it; wherein the molar ratio of manganese formate to lithium formate is 1 : 1, the volume ratio of DMF to distilled water is 1: 6. Put the mixed solution into a reaction kettle, seal it, heat it to 115° C. for reaction, keep it warm for 53 hours, and then cool it down to room temperature naturally. Take out the saturated supernatant liquid after reaction with a pipette and put it into the beaker cleaned in step (1), and then put the beaker into a constant temperature and humidity chamber; set a 30-stage cooling curve, and the temperature range is 30-21°C , each temperature difference is 0.3°C, each temperature interval is kept warm for 1.5 hours, and the humidity is 55%. The crystal particles at the bottom of the beaker were washed 3 times with absolute ethanol, and dried in vacuum at 60°C for 15 min...
Embodiment 3
[0031] As in Example 1, dissolve 2mmol of manganese formate, 2mmol of lithium formate, and 5mL of N,N-dimethylformamide (DMF) in 30mL of distilled water, and stir to fully dissolve it; wherein the molar ratio of manganese formate to lithium formate is 1 : 1, the volume ratio of DMF to distilled water is 1: 6. Put the mixed solution into a reaction kettle, seal it, heat it to 118°C for reaction, keep it warm for 48 hours, and then cool it naturally to room temperature. Take out the saturated supernatant liquid after reaction with a pipette and put it into the beaker cleaned in step (1), and then put the beaker into a constant temperature and humidity chamber; set a 30-stage cooling curve, and the temperature range is 30-21°C , each temperature difference is 0.3°C, each temperature interval is kept for 1.8 hours, and the humidity is 50%. The crystal particles at the bottom of the beaker were washed 3 times with absolute ethanol, and dried in vacuum at 60°C for 15 minutes to obt...
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