Images are for guidance only and might not represent the final product.

Iridium Thin Film Disk (Mylar® Backing)

Available Configurations

Properties common to all products in this list

Composition: Ir Form: Thin Film Material: Iridium CAS Number: 7439-88-5 Commodity: Precious Metals Purity: 99.9% Thickness: 0.1µm Area Density: 224µg/cm² Support: Permanent Mylar® 3.5µm
Iridium Thin Film Disc offers high electrical conductivity, chemical inertness, and catalytic activity in a circular geometry coated with a thin, uniform iridium layer. This format is used in microelectronics, electrocatalysis, and sensor technologies. Industries rely on these discs for capacitor electrodes, reference electrodes, and thin-film resistors. Technologies benefiting include DRAM and FRAM memory devices, neural stimulation electrodes, and optoelectronic coatings. Research applications involve thin-film growth studies, electrode interface stability, and catalytic reaction kinetics. The disc ensures reproducible performance and uniform current distribution, while the thin film maximizes active surface area without compromising structural integrity. Its ability to combine geometry precision with iridium’s stability and conductivity makes it vital for advancing electronic, biomedical, and catalytic systems.
Starting at $1,040.00 each
No Minimum order Free technical support *Free delivery worldwide

Material Properties

Atomic Properties
Element Value
Atomic number 77
Crystal structure Face centred cubic
Electronic structure Xe 4f¹⁴ 5d⁷ 6s²
Valences shown 3, 4
Atomic weight( amu ) 192.22
Thermal neutron absorption cross-section( Barns ) 425
Photo-electric work function( eV ) 4.6
Natural isotope distribution( Mass No./% ) 191/ 37.3
Natural isotope distribution( Mass No./% ) 193/ 62.7
Atomic radius - Goldschmidt( nm ) 0.135
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.26
Poisson's ratio 0.26
Bulk modulus( GPa ) 371
Bulk modulus( GPa ) 371
Tensile modulus( GPa ) 528
Tensile modulus( GPa ) 528
Hardness - Vickers( kgf mm⁻² ) 650
Hardness - Vickers( kgf mm⁻² ) 200-300
Tensile strength( MPa ) 550-1100
Tensile strength( MPa ) 1200
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 5.1@20°C
Superconductivity critical temperature( K ) 0.11
Temperature coefficient( K⁻¹ ) 0.0045@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.65
Physical Properties
Element Value
Boiling point( C ) 4130
Density( gcm⁻³ ) 22.4@20°C
Thermal Properties
Element Value
Melting point( C ) 2410
Latent heat of evaporation( J g⁻¹ ) 3186
Latent heat of fusion( J g⁻¹ ) 135
Specific heat( J K⁻¹ kg⁻¹ ) 133@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 147@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6.8@0-100°C
each

Choose Your Options

Close

Available Configurations

Properties common to all products in this list

Composition: Ir Form: Thin Film Material: Iridium CAS Number: 7439-88-5 Commodity: Precious Metals Purity: 99.9% Thickness: 0.1µm Area Density: 224µg/cm² Support: Permanent Mylar® 3.5µm

We are collecting your products, please wait!...

Shipping restrictions and charges may apply for some hazardous materials.

Tolerances

Thin Film
Thickness ±30%

Tolerances

Disk
Diameter ±20%