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Nano Y2O3

Physical Property
Appearance		White powder, insoluble in water, acid and alkali
Crystal Shape		Cubic	X-ray Diffraction
Primary Particle Size (nm)		30-60; 60-90	Laser Particle Analyzer		NM, BET and purity can be customized.
BET（㎡/g）		>20	BET Absorption Method
Chemical Composition
TREO%			≥98	≥98
Y2O3/REO%			≥99.995	≥99.999
Rare Earth Impurity Content %	La2O3		≤0.0005	≤0.0001
	CeO2		≤0.0005	≤0.0001
	Pr6O11		≤0.0002	≤0.0001
	Nd2O3		≤0.0002	≤0.0001
	Sm2O3		≤0.0002	≤0.0001
	Eu2O3		≤0.0002	≤0.0001
	Gd2O3		≤0.0002	≤0.0001
	Tb4O7		≤0.0002	≤0.0001
	Dy2O3		≤0.0002	≤0.0001
	Ho2O3		≤0.001	≤0.0001
	Er2O3		≤0.001	≤0.0001
	Tm2O3		≤0.0001	≤0.00002
	Yb2O3		≤0.0001	≤0.00002
	Lu2O3		≤0.0001	≤0.00002
	Y2O3		matrix	matrix
%Loss on ignition of 1000℃ for one hour			≤1	≤1

Main Applications:
1.It can be applied in additives of iron and nonferrous metal, which is able to strengthen the oxidation resistance and ductility of stainless steel as well as improve the conductivity and mechanical strength of the alloys.
2.It is used in various kinds of fluorescent materials.
3.As a high temperature proton conductive material, it can also be used in the fuel cells, electrolytic cells and gas sensors with high hydrogen solubility.
4. It is also used in development of engine components and mechanical processing like boring, melding and cutting.
5.Nano Y2O3 can be applied in high temperature spraying materials, fuel diluent of atomic energy reactor, permanent magnet material additives and getters in electronic industry.
6.Multi-layer ceramic capacitors.

Nano CeO2

Physical Property
Appearance	Pale yellow powder, insoluble in water; soluble in acid
Crystal Shape	Cubic	X-ray Diffraction
Primary Particle Size（nm）	10; 30	Laser Particle Analyzer		NM, BET and purity can be customized.
BET（㎡/g）	>60	BET Absorption Method
Chemical Composition
TREO%		≥98	≥98
CeO2/REO%		≥99.95	≥99.99
Rare Earth Impurity Content %	La2O3	≤0.01	≤0.002
	CeO2	matrix	matrix
	Pr6O11	≤0.01	≤0.002
	Nd2O3	≤0.01	≤0.002
	Sm2O3	≤0.01	≤0.002
	Eu2O3	——	——
	Gd2O3	——	——
	Tb4O7	——	——
	Dy2O3	——	——
	Ho2O3	——	——
	Er2O3	——	——
	Tm2O3	——	——
	Yb2O3	——	——
	Lu2O3	——	——
	Y2O3	≤0.01	≤0.002
%Loss on ignition of 1000℃ for one hour		≤2	≤2

Main Application:
1.It can be used as glass additives, which has the function to absorb ultraviolet ray and infrared.
2.Applied in the vehicles’ cleaning catalysts to prevent large amount of automobile exhaust from discharging to the air.
3.CeO3 can be used in polishing materials.
4.It is applied in hydrogen storage materials, thermoelectric materials, Nano CeO3 tungsten electrode, ceramic capacitors, piezoelectric ceramics, fuel cells materials, gas catalyzers, permanent magnet materials, all kinds of alloys, steels and nonferrous metal.

Nano Pr6O11

Physical Property
Appearance	Black powder, insoluble in water but soluble in acids.
Crystal Shape	Cubic	X-ray Diffraction
Primary Particle Size（nm）	＜100	TEM/SAXS	Customized service is provided.
BET（㎡/g）		BET Absorption Method	Customized service is provided.
Chemical Composition
TREO%		≥98
Pr6O11/REO%		≥99.5
RARE EARTH CONTENT %	La2O3	≤0.01
	CeO2	≤0.1
	Pr6O11	matrix
	Nd2O3	≤0.2
	Sm2O3	≤0.01
	Eu2O3	——
	Gd2O3	——
	Tb4O7	——
	Dy2O3	——
	Ho2O3	——
	Er2O3	——
	Tm2O3	——
	Yb2O3	——
	Lu2O3	——
	Y2O3	≤0.01
%Loss on ignition of 1000℃ for 1h		≤2

Main Applications:
1. It is widely applied in the ceramic manufacturing, both in construction and housing. It can also be one of the materials of pigment.
2. It can be used to produce permanent magnet of electronic components and motors.
3. Pr6O11 is applied in catalytic cracking of petroleum to strengthen the catalytic activity, selectivity and stability.
4. In abrasives polishing and fiber industry.

Nano Eu2O3

Physical Property
Appearance		Light red powder, insoluble in water but soluble in acids
Crystal Shape		Cubic	X-ray Diffraction
Primary Particle Size（nm）		＜100	TEM/SAXS	Customization is offered.
BET（㎡/g）			BET Absorption Method
Chemical Composition
TREO%			≥98
Eu2O3/REO%			≥99.995
Rare Earth Content %	La2O3		≤0.0001
	CeO2		≤0.0002
	Pr6O11		≤0.0001
	Nd2O3		≤0.0001
	Sm2O3		≤0.0002
	Eu2O3		matrix
	Gd2O3		≤0.0002
	Tb4O7		≤0.0001
	Dy2O3		≤0.0001
	Ho2O3		≤0.0001
	Er2O3		≤0.0001
	Tm2O3		≤0.0001
	Yb2O3		≤0.0001
	Lu2O3		≤0.0001
	Y2O3		≤0.0001
%Loss on ignition of 1000℃ for 1h			≤2

Main Applications:
1.Mostly, it is used in Fluorescence. Eu3+ is for red fluorescence, Eu2+ is for blue fluorescence.
2.Recently, it is applied in medical use, such as the X-ray system.
3.Also, colored lenses and optical filters have Eu2O3 as one of the materials.

Tb4O7

Physical Property
Appearance	Dark brown powder, insoluble in water but soluble in acids.
Crystal Shape	Cubic	X-ray Diffraction
Primary Particle Size（nm）	＜100	TEM/SAXS	Customization is provided.
BET（㎡/g）		BET Absorption Method	Customization is provided.
Chemical Composition
TREO%		≥98
Tb4O7/REO%		≥99.99
Rare Earth Content %	La2O3	≤0.0005
	CeO2	≤0.0005
	Pr6O11	≤0.0005
	Nd2O3	≤0.0005
	Sm2O3	≤0.0005
	Eu2O3	≤0.001
	Gd2O3	≤0.002
	Tb4O7	matrix
	Dy2O3	≤0.002
	Ho2O3	≤0.001
	Er2O3	——
	Tm2O3	——
	Yb2O3	≤0.0005
	Lu2O3	——
	Y2O3	≤0.001
%Loss on ignition of 1000℃ for 1h		≤2

Main Applications:
1.It can function as the activity of green powder of the fluorescence. To make it enlighten with green light.
2.With the application of nano terbium oxide, magneto-optic memory materials can improve its storage competent between 10 to 15 times.
3.It is also applied in magneto optic glass.
4.Recently, Nano Tb4O7 is also used in sonar, fuel injection system, liquid valves controller, micro positioning and so on.

Dy2O3

Physical Property
Appearance	White or pale yellow powder, soluble in acids and ethanol
Crystal Shape	Cubic	X-ray Diffraction
Primary Particle Shape（nm）	＜100	TEM/SAXS	Customization is provided.
BET（㎡/g）		BET Absorption Method	Customization is provided.
Chemical Composition
TREO%		≥98
Dy2O3/REO%		≥99.5
Rare Earth Content %	La2O3	——
	CeO2	——
	Pr6O11	——
	Nd2O3	——
	Sm2O3	——
	Eu2O3	——
	Gd2O3	≤0.01
	Tb4O7	≤0.03
	Dy2O3	matrix
	Ho2O3	≤0.05
	Er2O3	≤0.01
	Tm2O3	——
	Yb2O3	≤0.01
	Lu2O3	——
	Y2O3	≤0.01
%Loss on ignition of 1000℃ for 1h		≤2

Main application:
1.It can be applied in the activities of fluorescence.
2.It is the essential materials of magneto striction alloy, like Terfenol.
3.Being used in magneto optic materials, it has a feature of being of high speed for recording and high sense for reading.
4.Nano Dy2O3 is used to produce lights, both in films and printings. It has advantages of high brightness, small capacity and stable arc.
5.It can be used in atomic industry to determine the neutron spectrum or become a kind of neutron absorber.

Ho2O3

Physical Property
Appearance		Pale yellow powder, insoluble in water but soluble in acids
Crystal Shape		Cubic	X-ray Diffraction
Primary Particle Size（nm）		＜100	TEM/SAXS	Customization is provided
BET（㎡/g）			BET Absorption Method
Chemical Composition
TREO%			≥98
Ho2O3/REO%			≥99.5
RARE EARTH CONTENT /REO %	La2O3		——
	CeO2		——
	Pr6O11		——
	Nd2O3		——
	Sm2O3		——
	Eu2O3		——
	Gd2O3		——
	Tb4O7		≤0.01
	Dy2O3		≤0.04
	Ho2O3		matrix
	Er2O3		≤0.05
	Tm2O3		≤0.01
	Yb2O3		——
	Lu2O3		——
	Y2O3		≤0.01
%Loss on ignition of 1000℃ for 1h			≤2

Main Applications:
1.It can be applied in halogen metal additives.
2.Nano Ho2O3 can be the additives of yttrium iron and yttrium aluminum garnet.
3.YAG Laser uses Ho2O3 as the materials to improve the efficiency and precision of surgery. Also it can be used in cure glaucoma.
4.It is applied in Terdenol-D.
5.In fiber industry, nano Ho2O3 can be the components of fiber products like laser, sensor and magnifier.

Er2O3

Physical Property
Appearance	Pink powder, insoluble in water but soluble in acids slightly.
Crystal Shape	Cubic	X-ray Diffraction
Primary Particle Size（nm）	1.0±0.2	Laser Particle Analyzer	Customization is provided.
BET（㎡/g）		BET Absorption Method
Chemical Composition
TREO%		≥98
Er2O3/REO%		≥99.9
RARE EARTH CONTENT /REO %	La2O3	——
	CeO2	——
	Pr6O11	——
	Nd2O3	——
	Sm2O3	——
	Eu2O3	——
	Gd2O3	——
	Tb4O7	——
	Dy2O3	≤0.01
	Ho2O3	≤0.01
	Er2O3	matrix
	Tm2O3	≤0.03
	Yb2O3	≤0.01
	Lu2O3	——
	Y2O3	≤0.03
%Loss on ignition of 1000℃ for 1h		≤2

Main Applications:
1.It is significant for light emission.
2.It is used to produce laser range finders in military field.
3.Er3+ can be put in the producing of glass laser materials and activities for laser materials.

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