3 research outputs found
A New Approach to Determination of Equilibrium Magnetization in Magnetic Nanostructures
ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ Π½ΠΎΠ²ΡΠΉ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄ ΠΊ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ°Π²Π½ΠΎΠ²Π΅ΡΠ½ΠΎΠ³ΠΎ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ Π½Π°ΠΌΠ°Π³Π½ΠΈΡΠ΅Π½Π½ΠΎΡΡΠΈ Π² Π΄ΠΈΡΠΊΡΠ΅ΡΠ½ΠΎΠΉ
ΠΌΠΎΠ΄Π΅Π»ΠΈ ΡΠ΅ΡΡΠΎΠΌΠ°Π³Π½Π΅ΡΠΈΠΊΠ°. ΠΠ»Ρ ΡΠ΅ΡΠ΅Π½ΠΈΡ ΡΡΠΎΠΉ ΠΏΡΠΎΠ±Π»Π΅ΠΌΡ ΠΌΡ ΡΠ²ΠΎΠ΄ΠΈΠΌ Π΅Π΅ ΠΊ ΡΠΈΡΡΠ΅ΠΌΠ΅ Π»ΠΈΠ½Π΅ΠΉΠ½ΡΡ
Π½Π΅ΠΎΠ΄-
Π½ΠΎΡΠΎΠ΄Π½ΡΡ
ΡΡΠ°Π²Π½Π΅Π½ΠΈΠΉ Ρ ΠΌΠ½ΠΎΠΆΠΈΡΠ΅Π»ΡΠΌΠΈ ΠΠ°Π³ΡΠ°Π½ΠΆΠ°. ΠΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ Π½Π°Ρ
ΠΎΠΆΠ΄Π΅Π½ΠΈΡ ΡΠΈΡΠ»Π΅Π½Π½ΡΡ
ΡΠ΅ΡΠ΅Π½ΠΈΠΉ
ΡΠ°ΠΊΠΈΡ
ΡΠΈΡΡΠ΅ΠΌ ΠΏΠΎΠΊΠ°Π·Π°Π½Π° ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΡΡΠ΅ΠΏΠ΅Π½Π½ΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π°. ΠΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ
Π΄Π°Π½Π½ΠΎΠ³ΠΎ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄Π° ΠΏΠΎΠ΄ΡΠ²Π΅ΡΠΆΠ΄Π°Π΅ΡΡΡ ΠΏΡΠΈΠΌΠ΅ΡΠ°ΠΌΠΈ ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎΠΉ ΠΌΠΈΠΊΡΠΎΡΡΡΡΠΊΡΡΡΡ ΠΈ ΠΏΡΠΎ-
ΡΠ΅ΡΡΠΎΠ² ΠΏΠ΅ΡΠ΅ΠΌΠ°Π³Π½ΠΈΡΠΈΠ²Π°Π½ΠΈΡ Π² Π½Π°Π½ΠΎΡΡΡΡΠΊΡΡΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΉ ΡΠΎΠ½ΠΊΠΎΠΉ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎΠΉ ΠΏΠ»Π΅Π½ΠΊΠ΅.A new approach to determination of the equilibrium magnetization in discrete model of a ferromagnetic is
presented. Solving this problem is reduced to a system of linear inhomogeneous equations with Lagrange
multipliers. The possibility of finding the numerical solutions of such systems is shown by applying of
a modified power method. The efficiency of this approach is proved by examples of modelling magnetic
microstructure and magnetization reversal process in a nanostructured thin magnetic film
A New Approach to Determination of Equilibrium Magnetization in Magnetic Nanostructures
ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ Π½ΠΎΠ²ΡΠΉ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄ ΠΊ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ°Π²Π½ΠΎΠ²Π΅ΡΠ½ΠΎΠ³ΠΎ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ Π½Π°ΠΌΠ°Π³Π½ΠΈΡΠ΅Π½Π½ΠΎΡΡΠΈ Π² Π΄ΠΈΡΠΊΡΠ΅ΡΠ½ΠΎΠΉ
ΠΌΠΎΠ΄Π΅Π»ΠΈ ΡΠ΅ΡΡΠΎΠΌΠ°Π³Π½Π΅ΡΠΈΠΊΠ°. ΠΠ»Ρ ΡΠ΅ΡΠ΅Π½ΠΈΡ ΡΡΠΎΠΉ ΠΏΡΠΎΠ±Π»Π΅ΠΌΡ ΠΌΡ ΡΠ²ΠΎΠ΄ΠΈΠΌ Π΅Π΅ ΠΊ ΡΠΈΡΡΠ΅ΠΌΠ΅ Π»ΠΈΠ½Π΅ΠΉΠ½ΡΡ
Π½Π΅ΠΎΠ΄-
Π½ΠΎΡΠΎΠ΄Π½ΡΡ
ΡΡΠ°Π²Π½Π΅Π½ΠΈΠΉ Ρ ΠΌΠ½ΠΎΠΆΠΈΡΠ΅Π»ΡΠΌΠΈ ΠΠ°Π³ΡΠ°Π½ΠΆΠ°. ΠΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ Π½Π°Ρ
ΠΎΠΆΠ΄Π΅Π½ΠΈΡ ΡΠΈΡΠ»Π΅Π½Π½ΡΡ
ΡΠ΅ΡΠ΅Π½ΠΈΠΉ
ΡΠ°ΠΊΠΈΡ
ΡΠΈΡΡΠ΅ΠΌ ΠΏΠΎΠΊΠ°Π·Π°Π½Π° ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΡΡΠ΅ΠΏΠ΅Π½Π½ΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π°. ΠΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ
Π΄Π°Π½Π½ΠΎΠ³ΠΎ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄Π° ΠΏΠΎΠ΄ΡΠ²Π΅ΡΠΆΠ΄Π°Π΅ΡΡΡ ΠΏΡΠΈΠΌΠ΅ΡΠ°ΠΌΠΈ ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎΠΉ ΠΌΠΈΠΊΡΠΎΡΡΡΡΠΊΡΡΡΡ ΠΈ ΠΏΡΠΎ-
ΡΠ΅ΡΡΠΎΠ² ΠΏΠ΅ΡΠ΅ΠΌΠ°Π³Π½ΠΈΡΠΈΠ²Π°Π½ΠΈΡ Π² Π½Π°Π½ΠΎΡΡΡΡΠΊΡΡΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΉ ΡΠΎΠ½ΠΊΠΎΠΉ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎΠΉ ΠΏΠ»Π΅Π½ΠΊΠ΅.A new approach to determination of the equilibrium magnetization in discrete model of a ferromagnetic is
presented. Solving this problem is reduced to a system of linear inhomogeneous equations with Lagrange
multipliers. The possibility of finding the numerical solutions of such systems is shown by applying of
a modified power method. The efficiency of this approach is proved by examples of modelling magnetic
microstructure and magnetization reversal process in a nanostructured thin magnetic film
The Investigation of Coupling between Matching Circuit and Input Resonators of Channels in a Microstrip Diplexer
Π Π΄Π°Π½Π½ΠΎΠΉ ΡΡΠ°ΡΡΠ΅ ΠΏΡΠΈΠ²Π΅Π΄Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΊΠΎΡΡΡΠΈΡΠΈΠ΅Π½ΡΠΎΠ² ΡΠ²ΡΠ·ΠΈ
ΡΠΎΠ³Π»Π°ΡΡΡΡΠ΅ΠΉ ΡΠ΅ΠΏΠΈ Ρ Π²Ρ
ΠΎΠ΄Π½ΡΠΌΠΈ ΡΠ΅Π·ΠΎΠ½Π°ΡΠΎΡΠ°ΠΌΠΈ ΠΊΠ°Π½Π°Π»ΠΎΠ² Π² ΠΌΠΈΠΊΡΠΎΠΏΠΎΠ»ΠΎΡΠΊΠΎΠ²ΠΎΠΌ Π΄ΠΈΠΏΠ»Π΅ΠΊΡΠ΅ΡΠ΅. ΠΠ°Π½Π°Π»Ρ
Π΄ΠΈΠΏΠ»Π΅ΠΊΡΠ΅ΡΠ° ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»ΡΡΡ ΡΠΎΠ±ΠΎΠΉ Π΄Π²ΡΡ
Π·Π²Π΅Π½Π½ΡΠ΅ ΡΠΈΠ»ΡΡΡΡ, Π° ΡΠΎΠ³Π»Π°ΡΡΡΡΠ°Ρ ΡΠ΅ΠΏΡ β ΡΠ΅Π³ΡΠ»ΡΡΠ½ΡΠΉ
Π½Π΅ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ½ΡΠΉ ΠΎΡΡΠ΅Π·ΠΎΠΊ ΠΌΠΈΠΊΡΠΎΠΏΠΎΠ»ΠΎΡΠΊΠΎΠ²ΠΎΠΉ Π»ΠΈΠ½ΠΈΠΈ, ΠΏΠΎΠΌΠ΅ΡΠ΅Π½Π½ΠΎΠΉ ΠΌΠ΅ΠΆΠ΄Ρ Π²Ρ
ΠΎΠ΄Π½ΡΠΌΠΈ ΡΠ΅Π·ΠΎΠ½Π°ΡΠΎΡΠ°ΠΌΠΈ
ΠΊΠ°Π½Π°Π»ΠΎΠ². ΠΠ±ΡΠΈΠΉ ΠΏΠΎΡΡ ΠΏΠΎΠ΄ΠΊΠ»ΡΡΠ΅Π½ ΠΊ Π½Π°ΡΡΠΆΠ½ΠΎΠΌΡ ΠΊΠΎΠ½ΡΡ ΠΎΡΡΠ΅Π·ΠΊΠ°, Π° Π΅Π³ΠΎ Π²ΡΠΎΡΠΎΠΉ ΠΊΠΎΠ½Π΅Ρ ΡΠ°Π·ΠΎΠΌΠΊΠ½ΡΡ.
ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΈ ΡΠ΅ΠΎΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΈ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΠΊΠΎΠΌΠΏΡΡΡΠ΅ΡΠ½ΠΎΠΉ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΡ, ΡΠ°Π·ΡΠ°Π±ΠΎΡΠ°Π½Π½ΠΎΠΉ
Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΌΠ°ΡΠ΅ΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΡ
Π²ΡΡΠ°ΠΆΠ΅Π½ΠΈΠΉ, ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΡΡ
ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΠΎΠ΄Π½ΠΎΠΌΠ΅ΡΠ½ΡΡ
ΠΌΠΎΠ΄Π΅Π»Π΅ΠΉ
ΠΈ ΠΊΠ²Π°Π·ΠΈΡΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΏΡΠΈΠ±Π»ΠΈΠΆΠ΅Π½ΠΈΡ. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΠΎΠΊΠ°Π·ΡΠ²Π°ΡΡ, ΡΡΠΎ Π²Π΅Π»ΠΈΡΠΈΠ½Π°
ΡΠ²ΡΠ·ΠΈ Π΄ΠΎΡΡΠ°ΡΠΎΡΠ½ΠΎ Π²Π΅Π»ΠΈΠΊΠ° ΠΈ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠΎΠ³Π»Π°ΡΡΡΡΠ΅ΠΉ ΡΠ΅ΠΏΠΈ Π² Π²ΠΈΠ΄Π΅ Π½Π΅ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ½ΠΎΠ³ΠΎ ΠΎΡΡΠ΅Π·ΠΊΠ°
ΠΌΠΈΠΊΡΠΎΠΏΠΎΠ»ΠΎΡΠΊΠΎΠ²ΠΎΠΉ Π»ΠΈΠ½ΠΈΠΈ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°ΡΡ Π΄ΠΈΠΏΠ»Π΅ΠΊΡΠ΅ΡΡ Ρ ΡΠΈΡΠΎΠΊΠΈΠΌΠΈ ΠΏΠΎΠ»ΠΎΡΠ°ΠΌΠΈ
ΠΏΡΠΎΠΏΡΡΠΊΠ°Π½ΠΈΡ ΠΊΠ°Π½Π°Π»ΠΎΠ²This paper deals with investigation of the coupling coefficients between the matching circuit and the input resonators of channels in a microstrip diplexer. Diplexer channels are two-section filters, and matching circuit is regular non-resonant segment of a microstrip line placed between input resonators of channels. The common port is connected to outer end of the segment and its second end is opened. Research was carried out theoretically using a computer program developed on the basis of mathematical expressions obtained by means of one-dimensional models and quasi-static approximation. The results show that a value of coupling is quite large and the use of the matching circuit in a form of a non-resonant segment of a microstrip line allows to design diplexers with wide fractional bandwidth of the channel