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In

Indium is a chemical element with chemical symbol In and atomic number 49. This rare, soft, malleable and easily fusible poor metal is chemically similar to aluminium or gallium but more closely resembles zinc (zinc ores are also the primary source of this metal). Its current primary application is to form transparent electrodes from indium tin oxide in liquid crystal displays. It is widely used in thin-films to form lubricated layers (during World War II it was widely used to coat bearings in high-performance aircraft). It's also used for making particularly low melting point alloys, and is a component in some lead-free solders.

Indium is a very soft, silvery-white, relatively rare true metal with a bright luster。 As a pure metal indium emits a high-pitched "cry", when it is bent。 Both gallium and indium are able to wet glass。

One unusual property of indium is that its most common isotope is slightly radioactive; it very slowly decays by beta emission to tin。 This radioactivity is not considered hazardous, mainly because its half-life is 4。41×1014 years, four orders of magnitude larger than the age of the universe and nearly 50,000 times longer than that of natural thorium。 Unlike its period 5 neighbor cadmium, indium is not a notorious cumulative poison。

TECHNICAL DATA
SymbolInDensity (20°C)/gcm37.3,
Atomic number49Melting point / °C156.61
No. of naturally occurring isotopes2Boiling point / C2080
Atomic weight114.82ΔHfus/kJmol-13.26
Electronic configuration[Kr]4d105s25p1ΔHvap/kJmol-1231.8
Metal radius/pm167ΔHf(monoatomic gas)/kJmol-1243.1
Ionic radius(6-coordinate)/pm III80Electronegativity χ1.7
Ionic radius(6-coordinate)/pm I140Electrical resistivity (20°C)/μohm cm8.37
Ionization energy/kJmol I558.2Eo(M3+(aq)+e→M+(aq))/V-0.34
Ionization energy/kJmol II1820.2Eo(M+(aq)+e→M+(aq))/V-0.18
Ionization energy/kJmol III2704Hardness (Mohs)1.2
EVAPORATION TECHNIQUES
Temperature (oC) @Vap. PressureTechniquesRemarks
10-8Torr10-6Torr10-4TorrElectron BeamCrucibleCoilBoat
487597742Excellent, Mo liner requiredGraphite & Al2O3TungstenTungsten & MolybdenumWets tungsten & Copper; use Molybdenum liner in guns.



In
Sputtering Targets
Matierial SymbolAtomic Number     Thermal Conductivity         Theoretical Density 
W/m.K           g/cc
Indium_In In49827.3
ITOIn2O3/SnO2 90/10 wt %---
Evaporation Materials
Matierial SymbolAtomic Number     Thermal Conductivity         Theoretical Density 
W/m.Kg/cc
In(pellets) In49827.3
ITO ( pieces )In2O3/SnO2 90/10 wt %---


Below is the periodic table of chemical elements。The elements in red are the ones Nexteck's product contain。 Click them, you will come to the details。

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