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相关概念视频

Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview01:19

Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview

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In inductively coupled plasma–mass spectrometry (ICP–MS), an inductively coupled plasma (ICP) torch is used as an atomizer and ionizer. Solid samples are dissolved and volatilized before being introduced into the high-temperature argon plasma, while solution samples are nebulized and passed through the high-temperature argon plasma. Plasma dissociates the analytes and ionizes their component atoms to form a mixture of positive ions and molecular species. The positive ions are then...
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Atomic Absorption Spectroscopy: Instrumentation01:22

Atomic Absorption Spectroscopy: Instrumentation

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An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation source can be a hollow-cathode lamp (HCL) or an electrodeless-discharge lamp (EDL), both of which provide a narrow emission line of the required wavelength. However, some instruments use continuum sources and high-resolution monochromators to achieve a narrow range of radiation.
The atomizer used in AAS can be either a flame atomizer or an...
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Instrument Calibration01:12

Instrument Calibration

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Instrument calibration is essential for ensuring that instruments produce accurate and consistent results. It is vital in manufacturing, healthcare, testing laboratories, and scientific research. Calibration processes are specific to each instrument and help enhance data accuracy. Each instrument has a unique calibration process tailored to its design and function to improve data accuracy.
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An analytical balance measures mass and requires regular calibration to...
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Atomic Force Microscopy01:08

Atomic Force Microscopy

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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...
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Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

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Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
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Inductively Coupled Plasma-Mass Spectrometry (ICP-MS): Interferences01:20

Inductively Coupled Plasma-Mass Spectrometry (ICP-MS): Interferences

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Inductively coupled plasma–mass spectrometry (ICP–MS) is a highly selective and sensitive technique for accurate elemental analysis. Though the analysis of ICP–MS mass spectra is comparatively straightforward, it is affected by spectroscopic and non-spectroscopic interferences. Spectroscopic interferences arise when the plasma contains ionic species with an m/z value the same as the analyte ion. Spectroscopic interference can be categorized as isobaric, polyatomic ions, and...
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Atom Probe Tomography Studies on the CuIn,GaSe2 Grain Boundaries
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PyCCAPT:用于开源原子探测器仪表控制和数据校准的Python包.

Mehrpad Monajem1, Benedict Ott1, Jonas Heimerl2

  • 1Institute for General Materials Properties, Department of Materials Science & Engineering, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.

Microscopy research and technique
|July 19, 2025
PubMed
概括
此摘要是机器生成的。

本研究介绍了PyCCAPT,这是一个开源的Python软件,用于原子探头断层扫描 (APT). 它提供灵活的仪表控制和增强的校准,克服专有商业系统的局限性.

关键词:
原子探测器控制 原子探测器控制原子探测器数据采集数据采集原子探测器原始数据分析分析原子探头断层扫描 (tomography) 是一种原子探头断层扫描.数据校准数据的校准.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 分析化学 分析化学
  • 仪器化 仪器化 仪器化

背景情况:

  • 商用原子探头断层扫描 (APT) 系统使用封闭的专有软件,限制低级访问以进行先进的实验控制和数据分析.
  • 硬件和编程语言 (如Python) 最近的进步使开源APT解决方案的开发成为可能.
  • 为APT开发定制的控制软件,仪器和校准算法仍然是研究人员面临的重大障碍.

研究的目的:

  • 为原子探头断层扫描 (APT) 提供一个开源的,可适应的控制系统.
  • 为了提供基本的仪器和实验校准算法与完全的用户透明度.
  • 解决商业APT系统中专有软件的局限性,促进创新研究.

主要方法:

  • 开发一种灵活的控制系统,可适应各种硬件配置.
  • 实施重要的仪器和实验校准算法.
  • 创建了一个名为PyCCAPT的开源软件框架,用于原子探测器断层学 (PyCCAPT) 的Python控制和校准.

主要成果:

  • PyCCAPT为APT控制和数据处理提供了一个透明和灵活的框架.
  • 该系统提高了校准准确度,超出了商业系统的能力.
  • 校准模块适用于直接飞行路径系统,适用于基于反射的仪器.

结论:

  • PyCCAPT提供了一个开源解决方案,以弥合原子探头断层扫描的实验控制和数据处理方面的差距.
  • 该软件为研究人员提供了更大的灵活性,可以进行创新的实验,并提高校准精度.
  • 虽然不是用于商业数据采集,但PyCCAPT的校准模块为各种APT仪器类型提供了显著的价值.