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Key Documents

Altri documenti

634867

Sigma-Aldrich

Silicon dioxide

single crystal substrate, optical grade, 99.99% trace metals basis, L × W × thickness 10 mm × 10 mm × 0.5 mm

Sinonimo/i:

Cristobalite, Quartz, Sand, Silica

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About This Item

Formula condensata:
SiO2
Numero CAS:
60676-86-0
Peso molecolare:
60.08
Numero CE:
262-373-8
Numero MDL:
MFCD00011232
Codice UNSPSC:
12352303
ID PubChem:
24882697
NACRES:
NA.23

Grado

optical grade

Saggio

99.99% trace metals basis

Forma fisica

solid

Durezza

7.0 mohs

Lungh. × largh. × spess.

10 mm × 10 mm × 0.5 mm

Indice di rifrazione

n20/D 1.544 (lit.)

Punto di fusione

1610 °C (lit.)

Temp. transizione

Tm 573.1 °C (phase change)

Densità

2.6 g/mL at 25 °C (lit.)
2.684 g/mL

Stringa SMILE

O=[Si]=O

InChI

1S/O2Si/c1-3-2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Categorie correlate

Applicazioni

SiO2 is majorly used as a substrate material with excellent thermo-mechanical properties in a variety of applications which include:
  • vapour deposition
  • phase deposition
  • atomic force microscopy probes(AFM)
  • spin coating
  • electronic based devices

Caratteristiche e vantaggi

An excellent substrate for microwave filters for applications in the wireless communication arena.

Stato fisico

Crystalline, hexagonal (a = 4.914 Å, c = 5.405 Å)

Altre note

specific heat = 0.18 cal/g; thermoelectric constant = 1200μV/°C @ 300 °C; thermal conductivity = 0.0033 cal/cm°C; themal expansion (x10-6) = α11: 13.71, α33: 7.48; Q value = 1.8 × 106 min; acoustic velocity, SAW = 3160 m/sec; frequency constant, BAW = 1661 kHz/mm; piezoelectric coupling = K2 BAW: 0.65%, SAW: 0.14%

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Sabbia, quarzo bianco ≥99.995% trace metals basis

Sigma-Aldrich

204358

Sabbia, quarzo bianco

Strontium titanate single crystal substrate, <100>

Sigma-Aldrich

634689

Strontium titanate

Silicon wafer (single side polished), <100>, P-type, contains boron as dopant, diam. × thickness 3 in. × 0.5 mm

Sigma-Aldrich

647764

Silicon

Sigma-Aldrich

Sigma-Aldrich

773700

Monolayer graphene film

Silicon wafer (single side polished), <111>, N-type, contains no dopant, diam. × thickness 3 in. × 0.5 mm

Sigma-Aldrich

647543

Silicon

Electrical and optical properties of ZnO transparent conducting films by the sol-gel method.
Lee J, et al.
Journal of Crystal Growth, 247(1-2), 119-125 (2003)
Growth model of bamboo-shaped carbon nanotubes by thermal chemical vapor deposition.
Lee CJ and Park J
Applied Physics Letters, 77(21), 3397-3399 (2000)
Measurement of the adhesion force between carbon nanotubes and a silicon dioxide substrate.
Whittaker JD, et al.
Nano Letters, 6(5), 953-957 (2006)
Oxygen-aided synthesis of polycrystalline graphene on silicon dioxide substrates.
Chen J, et al.
Journal of the American Chemical Society, 133(44), 17548-17551 (2011)
The effect of calcination temperature on the surface microstructure and photocatalytic activity of TiO2 thin films prepared by liquid phase deposition.
Yu J, et al.
The Journal of Physical Chemistry B, 107(50), 13871-13879 (2003)
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