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Elements and Compounds01:27

Elements and Compounds

103.2K
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
Elements
Elements are classified as atomic or molecular based on the nature of their basic units. They are unique forms of matter with specific chemical and physical properties that cannot break down into smaller substances by ordinary chemical reactions. There...
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Periodic Classification of the Elements04:00

Periodic Classification of the Elements

58.7K
The periodic table arranges atoms based on increasing atomic number so that elements with the same chemical properties recur periodically. When their electron configurations are added to the table, a periodic recurrence of similar electron configurations in the outer shells of these elements is observed. Because they are in the outer shells of an atom, valence electrons play the most important role in chemical reactions. The outer electrons have the highest energy of the electrons in an atom...
58.7K
Classification of Elements and Compounds02:54

Classification of Elements and Compounds

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Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond. Elements are classified as atomic or molecular based on the nature of their basic units.
Compounds are pure substances composed of two or more elements in fixed, definite proportions. Compounds are classified as ionic or molecular (covalent) based on the bonds...
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Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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Elements: Chemical Symbols and Isotopes02:31

Elements: Chemical Symbols and Isotopes

125.2K
A chemical symbol is an abbreviation used to indicate an element or an atom of an element. For example, the symbol for mercury is Hg. The same symbol is used to indicate one atom of mercury (microscopic domain) or to label a container of many atoms of the element mercury (macroscopic domain).
Some symbols are derived from the common English name of the element; others are abbreviations of the name in another language — Latin, Greek or German. For example, the symbol for aluminum (common name)...
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The Periodic Table and Organismal Elements00:57

The Periodic Table and Organismal Elements

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Updated: Jan 21, 2026

Fabrication and Characterization of Superconducting Resonators
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Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

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元素超伝導

Takahiro Matsuoka1, Takahiro Ishikawa2, Katsuya Shimizu3

  • 1National Institute of Physics, University of the Philippines Diliman College of Science, 75 C.P. Garcia. Ave. Diliman, Quezon City, NCR, 1101, PHILIPPINES.

Journal of physics. Condensed matter : an Institute of Physics journal
|January 19, 2026
PubMed
まとめ
この要約は機械生成です。

超伝導研究の最近の進歩により、新しい超伝導元素が特定され、転移温度が上昇しました。エネルギーランドスケープ上の新しい温度-圧力経路の探索は、超伝導相を発見するための新しい方向性を提供します。

キーワード:
結晶構造元素高圧超伝導

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科学分野:

  • 物性物理学
  • 材料科学

背景:

  • 元素は超伝導を理解するための基本です。
  • 過去10年間で実験的および理論的研究において大きな進歩がありました。

研究 の 目的:

  • 元素の超伝導特性の現状をレビューすること。
  • 超伝導転移温度を向上させるために得られた知識を強調すること。

主な方法:

  • 元素超伝導体に関する実験的研究および理論的研究の分析。
  • 拡張された圧力範囲の探索。
  • エネルギーランドスケープ上の温度-圧力経路の調査。

主要な成果:

  • 超伝導元素のリストにルビジウム(Rb)とイッテルビウム(Yb)が追加されました。
  • 圧力探索の拡大により、報告されている最高の超伝導転移温度が大幅に増加しました。
  • 超伝導相を探索するための新しい方向性が特定されました。

結論:

  • 元素超伝導体は、超伝導研究を進歩させる上で引き続き重要です。
  • エネルギーランドスケープの分析のような新しい探索戦略は、新しい超伝導相とより高い転移温度を発見するための鍵となります。
  • 温度-圧力条件の変動下でのエネルギーランドスケープの分析は、新しい超伝導相とより高い転移温度を発見するための鍵となります。