Monocrystalline Germanium

Monocrystalline germanium crystal is a lattice structure of germanium crystals with only one lattice, which has excellent optical and electrical properties and is used in fields such as communication, computers, and medical devices. In terms of infrared detection, monocrystalline germanium has the characteristics of high sensitivity, high speed, and high stability, and is applied in infrared imaging and night vision instruments. In addition, monocrystalline germanium can also be used in solar cells, thermoelectric stacks, and radiation sensors. At the same time, it has a wide infrared transmission band (which can be used in two bands of 3-5 μ m and 8-12 μ m), high mechanical strength, low deliquescence, and stable chemical properties. It can process shapes such as circular, rectangular, perforated, crescent, wedge-shaped, flat convex, flat concave, double convex, double concave, open ball, and prismatic.

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	Dia(mm)	ThK(mm)	Structure	Orientation
	Screen Reset 3-200	Screen Reset 0.5-60	Screen Reset Monocrystalline	Screen Reset <100> <111>
More+ Less	3-200	0.5-60	Monocrystalline	<100>
Monocrystalline Germanium，3-200mm，<100> Number：GeA002 Dia(mm)：3-200 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<100> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Germanium（Ge） Transmission Range：2-15μm Density(g/cm³)：5.33 REACH：Compliant ROHS：Compliant
More+ Less	3-200	0.5-60	Monocrystalline	<111>
Monocrystalline Germanium，3-200mm，<111> Number：GeA001 Dia(mm)：3-200 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<111> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Germanium（Ge） Transmission Range：2-15μm Density(g/cm³)：5.33 REACH：Compliant ROHS：Compliant

Material Data
Optical Properties
Transmission Range	2-15μm
Reflection Loss	4.0028@10.6μm
Absorption Coefficienet	1.3×10-3@3.8μm 3×10-2@10.6μm
Structure	Cubic Crystal System
Cleavage Planes	<111>
Physical Properties
Density [g/cm3]	5.33
Melting Point [℃]	936
Thermal Conductivity [W/(m×K)]	58.61 @ 293K
Thermal Expansion [10-6/K]	6.1 @ 298K
Knoop Hardness [kg/mm2]	780
Specific Heat Capacity [J/(kg×K)]	310
Dielectric Constant	16.6 @9.37 GHz
Young's Modulus (E) [GPa]	102.7
Shear Modulus(G) [GPa]	67
Bulk Modulus(K) [GPa]	77.2
Poisson Coefficient	0.28
mical Properties
Solubility / g/L	Inoluble
Molecular Weight / g/mol	72.61