VD0854 Tungsten Selenide (WSe2) Evaporation Materials

Chemical Elements

Selenium

Selenium is a chemical element originated from Moon (with the Greek name selene). It was first mentioned in 1817 and observed by J. Berzelius and G. Gahn. The isolation was later accomplished and announced by J. Berzelius and G. Gahn. “Se” is the canonical chemical symbol of selenium. Its atomic number in the periodic table of elements is 34 with location at Period 4 and Group 16, belonging to the p-block. The relative atomic mass of selenium is 78.96(3) Dalton, the number in the brackets indicating the uncertainty. Related Product: Selenium (Se) Evaporation Materials

Tungsten

Tungsten, also called wolfram; wolframium, is a chemical element originated from the Swedish ‘tung sten’ meaning heavy stone(W is wolfram, the old name of the tungsten mineral wolframite). It was first mentioned in 1781 and observed by T. Bergman. The isolation was later accomplished and announced by J. and F. Elhuyar. “W” is the canonical chemical symbol of tungsten. Its atomic number in the periodic table of elements is 74 with location at Period 6 and Group 6, belonging to the d-block. The relative atomic mass of tungsten is 183.84(1) Dalton, the number in the brackets indicating the uncertainty. Related Product: Tungsten (W) Evaporation Materials

Application

•  Used in deposition processes including semiconductor deposition, chemical vapor deposition (CVD) and physical vapor deposition (PVD)
• Used for optics including wear protection, decorative coatings, and displays.

Packaging

Our materials are carefully handled to prevent damage during storage and transportation and to preserve the quality of our products in their original condition.

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Stanford Advanced Materials (SAM) specializes in producing high purity evaporation materials with high quality for use in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications.

The evaporation materials include pure metals and alloys, oxides ceramics including rare earth oxides, such as Sc2O3, Y2O3, La2O3 and other ceramics, such as fluorides, nitrides etc.

The unique synergy between our engineering, manufacturing and analytical teams has allowed us to produce industry leading evaporation materials.