跳轉至內容
Merck
全部照片(1)

Key Documents

更多文件

634867

Sigma-Aldrich

二氧化硅

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

同義詞:

方石英, 石英, 砂石, 硅石

登入查看組織和合約定價
全部照片(1)

About This Item

線性公式:
SiO2
CAS號碼:
60676-86-0
分子量：:
60.08
EC號碼:
262-373-8
MDL號碼:
MFCD00011232
分類程式碼代碼:
12352303
PubChem物質ID:
24882697
NACRES:
NA.23

等級

optical grade

化驗

99.99% trace metals basis

形狀

solid

硬度

7.0 mohs

長度 × 寬度 × 厚度

10 mm × 10 mm × 0.5 mm

折射率

n20/D 1.544 (lit.)

mp

1610 °C (lit.)

轉變溫度

Tm 573.1 °C (phase change)

密度

2.6 g/mL at 25 °C (lit.)
2.684 g/mL

SMILES 字串

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI 密鑰

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

尋找類似的產品？ 前往 產品比較指南

相關類別

應用

SiO2因其绝佳的热机械性能而作为基质材料用于一系列的应用，包括：
  • 气相沉积
  • 相沉积
  • 原子力显微镜探针（AFM）
  • 旋涂
  • 电子设备

特點和優勢

应用于无线通信领域的微波滤波器的出色基片。

外觀

六角形结晶（a = 4.914 Å, c = 5.405 Å）

其他說明

比热 = 0.18 cal/g；热电常数 = 1200μV/°C @ 300 °C；热导率 = 0.0033 cal/cm°C；热膨胀 (x10-6) = α；11: 13.71, α33: 7.48；Q值 = 1.8 × 106 min；音速，SAW = 3160 m/sec; 频率常数，BAW = 1661 kHz/mm；压电耦合 = K2 BAW: 0.65%, SAW: 0.14%

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類（WGK）

nwg

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

分析證明 (COA)

輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號，寫有 ‘Lot’或‘Batch’.。

已經擁有該產品？

您可以在文件庫中找到最近購買的產品相關文件。

存取文件庫

客戶也查看了

Slide 1 of 3

1 of 3

白石英砂 ≥99.995% trace metals basis

Sigma-Aldrich

204358

白石英砂

二氧化硅 purum p.a., acid purified, sand

Sigma-Aldrich

84878

二氧化硅

Sigma-Aldrich

Sigma-Aldrich

773700

单层石墨烯薄膜

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)
查看所有相關論文

文章

Dye-Sensitized and Perovskite Solar Cells: Interface Engineering by Atomic Layer Deposition

Since the demonstration of the first practical solar cell 60 years ago, research on novel materials, improved solar cell design and structure, and innovative manufacturing processes have all contributed to a continuous increase in the efficiency of photovoltaic (PV) devices.

FePt Nanogranular films for high density heat-assisted magnetic recording

A hard disk drive (HDD) is a data storage device that stores digital information by magnetizing nanosized magnets on flat disks and retrieves data by sensing the resulting magnetic field.

Building and Engineering Micro/Nano Architectures of Single-Walled Carbon Nanotubes for Electronic Applications

Building and Engineering Micro/Nano Architectures of Single-Walled Carbon Nanotubes for Electronic Applications

Recent Progress in Spintronic Materials

Spin-based electronic (spintronic) devices offer significant improvement to the limits of conventional charge-based memory and logic devices which suffer from high power usage, leakage current, performance saturation, and device complexity.

查看全部

我們的科學家團隊在所有研究領域都有豐富的經驗，包括生命科學、材料科學、化學合成、色譜、分析等.

聯絡技術服務