Erbium (Er) Pieces Evaporation Materials

Overview
Calculators

Erbium (Er) Pieces Overview

We sell these pellets and pieces by unit weight for evaporation use in deposition processes. These approximate materials prices are published to provide budgetary guidelines. Actual prices can vary and may be higher or lower, as determined by availability and market fluctuations. To speak to someone directly about current pricing, please click here .

Erbium (Er) Specifications

Material Type	Erbium
Symbol	Er
Atomic Weight	167.259
Atomic Number	68
Color/Appearance	Silvery White, Metallic
Thermal Conductivity	15 W/m.K
Melting Point (°C)	1,529
Coefficient of Thermal Expansion	12.2 x 10-6/K
Theoretical Density (g/cc)	9.07

Z Ratio	0.74
E-Beam	Good
Thermal Evaporation Techniques	Boat: W, Ta
E-Beam Crucible Liner Material	Tungsten, Tantalum
Temp. (°C) for Given Vap. Press. (Torr)	10^-8: 650 10^-6: 775 10^-4: 930

Note:

Due to the highly reactive nature of these materials, packaging in oil is required to reduce the opportunity for oxidation or other reaction. Please click here for the recommended cleaning procedure.

E-beam Crucible Liner Fill Rate Calculator

Instructions for use:
Input the Crucible Liner Volume, Select Material (if not available in menu, manually input Material Density in g/cm³), and input fill rate %.

KJLC recommends a fill rate between 67-75%. Overfilling the crucible will cause the material to spill over and create an electrical short between the liner and the hearth causing the crucible to crack. Placing too little material in the crucible or allowing the melt level to get too low can be detrimental to the process as well. When the melt level is below 30%, the e-beam is likely to strike the bottom or walls of the crucible which immediately results in breakage.

The fill rate above assumes that the material is fully melted and does not take into account packing density. It should be noted that the crucible liner may need to be loaded multiple times, pre-melted, and topped off in order to achieve the final desired melt level/fill rate. When loading the crucible, do not load more than 80% of the height of the crucible liner.

This calculator is for estimation purposes only.

Crucible Liner Volume (in cc):

Material:

- or -
Density of the material in g/cm³:

Fill Rate %:

Result

See highlighted results that match your result in the table below.

Material Needed to Deposit a 1 Micron Film Calculator

Instructions for use:
Select source type, input distance from source to substrate and Select Material (if not available in menu, manually input Material Density in kg/m³).

This calculator is for estimation purposes only. The estimated mass is that needed to produce a desired film thickness (1 micron in this case) on a flat substrate at a point directly above the source, accounting for the approximate plume distribution of the selected source type. It does not account for any expected nonuniformity in thickness over a larger substrate area. More complex geometries, e.g. those with offset and/or tilted sources, may have higher material requirements. The estimated mass is for the film deposition only; additional margin should be included to account for loss during ramp-up, burn-in, stabilisation and ramp-down.

Source:

Distance of source to substrate (in cm):

Material:

- or -
Density of the material in kg/m³:

Multiplier:

Mass for 1 micron layer

Ordering Table

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More Info	Material	Description	Size	Quantity	Purity	Part Number	Price	Ready to Ship	Add To Cart
More Info	Material	Description	Size	Quantity	Purity	Part Number	Price	Ready to Ship	Add To Cart
	Erbium	ERBIUM PIECES, Er, 99.9% PURE TREM, <3MM PIECES, 300 GRAMS, PACKAGED IN MINERAL OIL	< 5mm	300 g	99.9%	EVMERX3MM-L	P.O.R.	KJLC will contact you
	Erbium	ERBIUM PIECES, Er, 99.9% PURE TREM, <5MM PIECES, 100 GRAMS, PACKAGED IN MINERAL OIL	< 5mm	100 g	99.9%	EVMERX5MM-D	P.O.R.	KJLC will contact you

Erbium (Er) Pieces Evaporation Materials

Erbium (Er) Pieces Overview

Erbium (Er) Specifications

Ordering Table

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