Details
| Original language | English |
|---|---|
| Pages (from-to) | 172-176 |
| Number of pages | 5 |
| Journal | Vide. Tehnologija. Resursi - Environment, Technology, Resources |
| Volume | 3 |
| Publication status | Published - 2019 |
| Event | 12th International Scientific and Practical Conference on Environment. Technology. Resources - Rezekne, Latvia Duration: 20 Jun 2019 → 22 Jun 2019 |
Abstract
Two-phase (nonporous) magnetic alkali borosilicate glasses have been produced by induction melting. Their macroscopic properties and crystal structure have been studied and it is shown that in the silica skeleton there are the agglomerates of Fe3 O4. These agglomerates are formed by monodomain nanoparticles of magnetite and demonstrate the superparamagnetic properties. After special thermal treatment (liquation process) and chemical etching the nanoporous matrices with random dendrite pore structure and magnetic properties have been produced. The channels (porous space) were filled by ferroelectric materials KH2 PO4 (KDP), KH2 PO4 +(NH4 )H2 PO4 (KDP-ADP or KADP), and NaNO2 and the effect of applied magnetic fields on phase transitions in these nanocomposite have been studied. It has also been established that a restricted geometry changed essentially the phase diagram of KADP.
Keywords
- Artificial multiferroics, Interface, Magnetic glasses, Nanocomposite materials, Restricted geometry
ASJC Scopus subject areas
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In: Vide. Tehnologija. Resursi - Environment, Technology, Resources, Vol. 3, 2019, p. 172-176.
Research output: Contribution to journal › Conference article › Research › peer review
}
TY - JOUR
T1 - Ferroelectric nanocomposites with governed interface on base of magnetic porous glasses
AU - Naberezhnov, A. A.
AU - Alekseeva, O. A.
AU - Golosovsky, I. V.
AU - Sysoeva, A. A.
AU - Vanina, P. Yu
AU - Nacke, B.
AU - Nikanorov, A.
N1 - Funding information: In SPbPU the study was performed in the framework of grant 3.1150.2017/4.6 of RF Ministry of Education and Science. This study was partly supported by the RFBR (grant 1902-00760).
PY - 2019
Y1 - 2019
N2 - Two-phase (nonporous) magnetic alkali borosilicate glasses have been produced by induction melting. Their macroscopic properties and crystal structure have been studied and it is shown that in the silica skeleton there are the agglomerates of Fe3 O4. These agglomerates are formed by monodomain nanoparticles of magnetite and demonstrate the superparamagnetic properties. After special thermal treatment (liquation process) and chemical etching the nanoporous matrices with random dendrite pore structure and magnetic properties have been produced. The channels (porous space) were filled by ferroelectric materials KH2 PO4 (KDP), KH2 PO4 +(NH4 )H2 PO4 (KDP-ADP or KADP), and NaNO2 and the effect of applied magnetic fields on phase transitions in these nanocomposite have been studied. It has also been established that a restricted geometry changed essentially the phase diagram of KADP.
AB - Two-phase (nonporous) magnetic alkali borosilicate glasses have been produced by induction melting. Their macroscopic properties and crystal structure have been studied and it is shown that in the silica skeleton there are the agglomerates of Fe3 O4. These agglomerates are formed by monodomain nanoparticles of magnetite and demonstrate the superparamagnetic properties. After special thermal treatment (liquation process) and chemical etching the nanoporous matrices with random dendrite pore structure and magnetic properties have been produced. The channels (porous space) were filled by ferroelectric materials KH2 PO4 (KDP), KH2 PO4 +(NH4 )H2 PO4 (KDP-ADP or KADP), and NaNO2 and the effect of applied magnetic fields on phase transitions in these nanocomposite have been studied. It has also been established that a restricted geometry changed essentially the phase diagram of KADP.
KW - Artificial multiferroics
KW - Interface
KW - Magnetic glasses
KW - Nanocomposite materials
KW - Restricted geometry
UR - http://www.scopus.com/inward/record.url?scp=85072955461&partnerID=8YFLogxK
U2 - 10.17770/etr2019vol3.4048
DO - 10.17770/etr2019vol3.4048
M3 - Conference article
AN - SCOPUS:85072955461
VL - 3
SP - 172
EP - 176
JO - Vide. Tehnologija. Resursi - Environment, Technology, Resources
JF - Vide. Tehnologija. Resursi - Environment, Technology, Resources
SN - 1691-5402
T2 - 12th International Scientific and Practical Conference on Environment. Technology. Resources
Y2 - 20 June 2019 through 22 June 2019
ER -