Nikolay Akulov Eugeny Kondorsky Konstantin Belov

 




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To the 100 anniversary of K.P. Belov

November 4, 2011 marks 100 years of well-known physicist magnetologist, honored scientist of the RSFSR, winner of the State and the Lomonosov Prize, Professor, Dr. Sci. Science Konstantin Petrovich Belov. K.P. Belov is a graduate of Moscow University. After graduating from MSU in 1934, he continued his work within its walls as a postgraduate student, then an assistant, associate professor, professor. From 1954 to 1988 years Belov was a head of one of the largest departments of Moscow State University - Department of General Physics for Science Faculties, where students of geological, geographical, biological faculties receive physical education. Under the leadership of K.P. Belov the physics textbooks were created. The talented scientist and organizer created a scientific laboratory at the Department of Magnetism and Research Laboratory of Magnetism at Physics Faculty of MSU. A school of physicists magnetologists associated with K.P.Belov is widely known in Russia and abroad. 8 theses of doctor of science and 50 Ph.D theses have been prepared under prof. K.P. Belov supervision. Pupils of prof. K.P. Belov work fruitfully in many universities and scientific laboratories in Russia and in several foreign countries.

The beginning of scientific activity of K.P. Belov associated with the study of magnetoelastic and electrical phenomena in ferromagnetic metals and its alloys. Dependencies of the exchange energies on interatomic distances are important for understanding of the properties of invar materials used in technical devices.

Extensive researches under the leadership of K.P.Belov were carried out in the field of magnetism of ferrites. Due to high electrical resistance of ferrites they are used in the technique applications in an alternating electromagnetic field (radio frequency and microwave technology). Researches of K.P. Belov and his collaborators related to the study of magnetic phase transitions, magnetostriction, magnetocaloric and galvanomagnetic phenomena and revealed the essential features of magnetic ordering and conductivity processes in ferrites. Investigations of K.P.Belov always reflect the latest trends in science. Thus, in 80's years of last century, a study of magnetic semiconductors were carried out at MSU, as a result a new class of magnetic semiconductors with high Curie temperatures (above room temperature) and the presence of special magnetic states – ferrons were found.

Professor K.P. Belov is one of the founders of research in the field of magnetic phase transitions. The spin reorientation transitions were studied intensively. These papers have fundamental contribution for the theory of magnetism. In the Russia, a systematic studies of rare-earth magnets began under the leadership of K.P. Belov at Moscow University, and later this area was developed in a large number of research centers in Russia. The rapid development of studies on magnetic and other physical and chemical properties of rare earth compounds was due to the need to expand the arsenal of materials for technical applications.

The research laboratory provided significantly results in physics of magnetism of rare earth metals, their alloys and compounds. A new phenomenon - giant magnetostriction (the diploma of invention), a huge magnetic anisotropy and large magnetocaloric effect were discovered in rare earth metals and compounds. Spin reorientation in orthoferrites and garnets and a number of other phenomena were investigated.

Many of these physical phenomena are of great practical importance. The giant magnetostriction in the rare-earth and uranium alloys was found There are a great strains under magnetic field, which 1000 times more than in classical magnetic materials. This effect is promising for use in sonar, for the generation of ultrasound, to control the laser beams, the engines micromovings, etc.

Researches on the study of rare-earth magnets are highly appreciated: prof. K.P. Belov, a group of department staff and academic institutions have been awarded the USSR State Prize for the study of magnetism of rare earth and uranium compounds.

The results of the fruitful and intense creative activity of prof. K.P. Belov and his team of physicists are summarized in nine monographs. These books give a great contribution to the physics of magnetic phenomena. Excellent organizational skills, great scientific advances and high human qualities of Konstantin Petrovich Belov are widely known in the scientific world.

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