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Curie's law

Curie's law  

The susceptibility (χ) of a paramagnetic substance is proportional to the thermodynamic temperature (T), i.e. χ = C/T, where C is the Curie constant. A modification of this law, the Curie-Weiss law, ...
Curie point

Curie point  

The temperature at which a ferromagnetic substance loses its ferromagnetism and becomes only paramagnetic. For iron the Curie point is 760°C and for nickel 356°C. It is named after Pierre Curie.
Curie point

Curie point   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
38 words

... point ( Curie temperature ) The temperature at which a ferromagnetic substance loses its ferromagnetism and becomes only paramagnetic. For iron the Curie point is 760°C and for nickel 356°C. It is named after Pierre Curie...

Curie’s law

Curie’s law   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
89 words

...’s law The susceptibility ( χ ‎) of a paramagnetic substance is proportional to the thermodynamic temperature ( T ), i.e. χ ‎ = C / T , where C is the Curie constant. A modification of this law, the Curie-Weiss law , is more generally applicable. It states that χ ‎ = C /( T – θ ‎), where θ ‎ is the Weiss constant, a characteristic of the material. The law was first proposed by Pierre Curie in 1895 and modified by another French physicist, Pierre-Ernest Weiss ( 1865–1940 ), in 1907...

Joliot-Curie, Irène

Joliot-Curie, Irène (1897–1956)   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
63 words

...Curie, Irène ( 1897–1956 ) French physicist , daughter of Marie and Pierre Curie , who was educated by her mother and her scientist associates. In 1921 she began work at the Radium Institute, becoming director in 1946 . In 1926 she married Frédéric Joliot ( 1900–58 ). They shared the 1935 Nobel Prize for chemistry for their discovery of artificial radioactivity the previous...

Curie, Marie

Curie, Marie (1867–1934)   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
96 words

..., Marie ( Marya Sklodowska ; 1867–1934 ) Polish -born French chemist , who went to Paris in 1891 . She married the physicist Pierre Curie ( 1859–1906 ) in 1895 and soon began work on seeking radioactive elements other than uranium in pitchblende (to account for its unexpectedly high radioactivity). By 1898 she had discovered radium and polonium , although it took her four years to purify them. In 1903 the Curies shared the Nobel Prize for physics with Henri Becquerel , who had discovered radioactivity. In 1911 Marie Curie was awarded...

piezoelectricity

piezoelectricity   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
55 words

...The accumulation of electric charge in certain crystals, such as quartz, which do not have inversion symmetry when mechanical stress is applied. Piezoelectricity was first discussed by Jacques and Pierre Curie in 1880 . It occurs because of the interaction between the stress and the electronic states of the crystal. Piezoelectricity has many...

Becquerel, Antoine Henri

Becquerel, Antoine Henri (1852–1908)   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
60 words

...were in optics, then in 1896 he accidentally discovered radioactivity in fluorescent salts of uranium. He then became an early pioneer in the systematic study of radioactivity. For this work he was awarded the 1903 Nobel Prize for physics, which he shared with Pierre and Marie Curie...

radium

radium   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
82 words

...in uranium ores (e.g. pitchblende). The most stable isotope is radium-226 (half-life 1602 years), which decays to radon. It is used as a radioactive source in research and, to some extent, in radiotherapy. The element was isolated from pitchblende in 1898 by Marie and Pierre Curie . https://www.webelements.com/radium/ Information from the WebElements...

Chemistry

Chemistry: c. 13.7 billion years ago - 2011  

Reference type:
Timeline
Current Version:
2012

...A Dictionary of Chemistry 6 19th century Victorian era Britain 1750-1900 Science Great Britain - from 1707 United Kingdom - from 1801 British Isles Europe Britain 1898 1898 Marie Curie and her husband Pierre isolate a new element which they name polonium in honour of her native Poland polonium A Dictionary of Physics 6 19th century Science Europe France 1898 1898 Marie and Pierre Curie isolate the element radium, working without any protection because unaware of the danger of radioactivity radium A Dictionary of Public Health 1 19th century Science Europe...

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