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関連する概念動画

Surface Tension and Surface Energy01:16

Surface Tension and Surface Energy

1.9K
When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
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Surface Tension, Capillary Action, and Viscosity02:57

Surface Tension, Capillary Action, and Viscosity

29.2K
Surface Tension
The various IMFs between identical molecules of a substance are examples of cohesive forces. The molecules within a liquid are surrounded by other molecules and are attracted equally in all directions by the cohesive forces within the liquid. However, the molecules on the surface of a liquid are attracted only by about one-half as many molecules. Because of the unbalanced molecular attractions on the surface molecules, liquids contract to form a shape that minimizes the number...
29.2K
Atomic Force Microscopy01:08

Atomic Force Microscopy

3.6K
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...
3.6K
Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

7.6K
Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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Contact Angle01:13

Contact Angle

13.2K
When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces.
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive...
13.2K
Gravity between Spherical Bodies01:27

Gravity between Spherical Bodies

8.6K
Newton's law of gravitation describes the gravitational force between any two point masses. However, for extended spherical objects like the Earth, the Moon, and other planets, the law holds with an assumption that masses of spherical objects are concentrated at their respective centers.
This assumption can be proved easily by showing that the expression for gravitational potential energy between a hollow sphere of mass (M) and a point mass (m) is the same as it would be for a pair of extended...
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地表科学の議論:地域社会を結びつける

Mikołaj Lewandowski1, Talat S Rahman2, Fumio Komori3

  • 1NanoBioMedical Centre, Adam Mickiewicz University, Wszechnicy Piastowskiej 3, 61-614 Poznań, Poland.

Journal of physics. Condensed matter : an Institute of Physics journal
|August 27, 2025
PubMed
まとめ
この要約は機械生成です。

表面科学ディスカッション (SSD) は,表面科学の知識交換を促進するオンラインセミナーシリーズです. Journal of Physics: Condensed Matterの特別号は,2次元材料,触媒,機械学習の応用における最近の進歩を強調しています.

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Interfacial Molecular-level Structures of Polymers and Biomacromolecules Revealed via Sum Frequency Generation Vibrational Spectroscopy
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科学分野:

  • 表面科学
  • 凝縮物質物理学
  • 材料科学

背景:

  • サーフェス・サイエンス・ディスカッション (SSD) は,COVID-19のパンデミック中に設立された国際的なオンラインセミナーシリーズです.
  • 表面科学の専門家と キャリアの初期の研究者を結びつけています
  • このシリーズは,この分野の最近の進歩に関する知識の交換を促進することを目的としています.

研究 の 目的:

  • 表面科学討論 (SSD) 特別号で紹介された主要な研究動向を要約する.
  • Journal of Physics: Condensed Matter Special Issue (ジャーナル・オブ・フィジックス: コンデンスト・マター・スペシャル・エッズ) の内容を概要として紹介する.
  • 表面科学研究の進歩におけるSSDの重要性を強調する.

主な方法:

  • SSDスピーカーの実験と理論のレポートのまとめとレビュー
  • 2次元材料,表面現象,触媒を中心とした論文の分析.
  • 機械学習の応用と新しい表面調査技術に関する研究を含む.

主要な成果:

  • この特別号は,2次元層や分子の成長,構造,性質に関する研究を紹介しています.
  • 表面科学におけるモデル触媒研究と機械学習の応用が含まれる.
  • 表面調査のための新しい方法も提示され,現在の研究傾向を反映しています.

結論:

  • この特別号は,地表科学の現在のテーマを理解するための貴重なリソースとして機能します.
  • SSDは,この分野の最先端の研究を広めるための重要なプラットフォームであり続けています.
  • この記事のコレクションは,表面科学の研究のダイナミックで進化する性質を紹介しています.