Film
Magnetic domains. (1984)

Film-document №71146 2 parts, Duration: 0:19:48 to collection Price category G
Title image

Part 1 digitized in HD 0:09:51

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Producer Lennauchfilm (LNF)

Director: E.Solovjeva

Script writers: A.Smirnov

Operators: G.Samsigin, I.Tiktinskaya

Annotation

Educational film on physics for higher educational institutions

Reel №1

Footage frameFootage frameFootage frameFootage frame

Compass (animation).

A magnetized iron bar attracts nails.

The Periodic Table.

THE REASONS FOR THE EMERGENCE OF DOMAINS.

A magnet divided into parts (animation).

Portrait of A-M. Ampere.

Orientation of elementary magnets in a crystal.

Magnetic crane in the shop.

The magnetic moment of the atom (cartoon scheme).

Magnetic ordering.

Crystal lattice of alpha-iron.

A uniformly magnetized sample (animation).

Group photo of scientists, including Landau and Lifshitz.

METHODS OF DOMAIN SURVEILLANCE.

The Akulov-Bitter method (experience).

Magnetic powder particles under the microscope.

Observation of domains in transparent ferromagnetic films (Faraday effect).

Experiment: the film is placed between the polarizer and the analyzer.

Domain structure on the monitor.

With an opaque magnet , the effect is used for observation

Kerr (Experience).

Domain structure on the monitor.

An electron microscope.

Physics
Science

Reel №2

Footage frameFootage frameFootage frameFootage frame

Stroboscopic method.

Getting high-speed photos using a laser.

Monitor screen.

The structure of inter-domain boundaries (animation).

Laboratory.

Band domain structure.

Labyrinth structure.

Cylindrical magnetic domain.

The scientist at the microscope.

Changing the structure of domains.

DOMAINS AND MAGNETIZATION PROCESSES.

The behavior of domains when a magnetic field is applied (animation).

Laboratory experience (Barkhausen effect).

Remagnetization of the sample (animation).

Hysteresis loop.

A small magnet lifts several weights.

Transformer, electric motor,thermonuclear installation.

Memory of computing devices.

Memory disks on the shelves.

A tape recorder with rotating cassettes.

Computer center.

Physics
Science