EPR, IR AND MAGNETIC-SUSCEPTIBILITY STUDIES OF XCR2O3(1-X)[2B2O3.LI2O] GLASSES

被引：19

作者：

COZAR, O ^{[1
]}

ARDELEAN, I ^{[1
]}

BRATU, I ^{[1
]}

ILONCA, G ^{[1
]}

SIMON, S ^{[1
]}

机构：

[1] INST ISOTOPE & MOLEC TECHNOL,R-3400 CLUJ NAPOCA,ROMANIA

来源：

SOLID STATE COMMUNICATIONS | 1993年 / 86卷 / 09期

关键词：

D O I：

10.1016/0038-1098(93)90141-9

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The chromium-ions valence states and their distribution mode in xCr2O3(1 - x)[2B2O3 . Li2O] glasses with 0.5 less-than-or-equal-to x less-than-or-equal-to 20 mol% are investigated by EPR, IR and magnetic susceptibility measurements. EPR spectra indicate the presence of both Cr3+ and Cr5+ ions. These results correlated with magnetic susceptibility data show that for x greater-than-or-equal-to 3 mol % the isolated Cr3+ ions coexist with those coupled by dipole-dipole or superexchange interactions. IR spectra confirm the amorphous nature of the studied samples.

引用

页码：569 / 572

页数：4

共 15 条

[1] ELECTRON-PARAMAGNETIC-RES AND MAGNETIC-SUSCEPTIBILITY STUDIES OF XCR2O3-(I-X) 3B2O3-PBO GLASSES [J].

ARDELEAN, I ;

ILONCA, G ;

PETEANU, M ;

BARBOS, E ;

INDREA, E .

JOURNAL OF MATERIALS SCIENCE, 1982, 17 (07) :1988-1996

[2]

Bentley F.F., 1968, INFRARED SPECTRA CHA, P103

[3] AN INFRARED STUDY OF X-PERCENT BAO.6FE2O3.(100-X)-PERCENT 3B2O3.2BAO GLASSES [J].

BRATU, I ;

OANA, P ;

CULEA, M .

PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 1987, 100 (02) :K195-K198

[4] EVIDENCE OF STRUCTURAL ANISOTROPIES IN SILICATE GLASS-FIBERS BY ELECTRON-SPIN-RESONANCE [J].

BRUCKNER, R ;

SAMMET, M ;

STOCKHORST, H .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1980, 40 (1-3) :273-289

[5]

BURZO E, 1979, FIZICA FENOMENELOR M, V1, P241

[6]

COZAR O, 1990, C AMPERE, P84

[7] ELECTRON-PARAMAGNETIC-RES OF TRANSITION-METAL IONS (MN-2+,CU-2+,CR-3+,FE-3+) IN FLUOROALUMINATE GLASSES [J].

DANCE, JM ;

VIDEAU, JJ ;

PORTIER, J .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1986, 86 (1-2) :88-93

[8] ESR OF EXCHANGE COUPLED CR3+ IONS IN PHOSPHATE GLASS [J].

FOURNIER, JT ;

LANDRY, RJ ;

BARTRAM, RH .

JOURNAL OF CHEMICAL PHYSICS, 1971, 55 (05) :2522-&

[9] MAGNETIC-PROPERTIES OF AN AMORPHOUS ANTIFERROMAGNET [J].

FRIEBELE, EJ ;

KOON, NC ;

WILSON, LK ;

KINSER, DL .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1974, 57 (06) :237-241

[10] ELECTRON SPIN RESONANCE AND OPTICAL ABSORPTION STUDIES OF CR3+ IN A PHOSPHATE GLASS [J].

LANDRY, RJ ;

FOURNIER, JT ;

YOUNG, CG .

JOURNAL OF CHEMICAL PHYSICS, 1967, 46 (04) :1285-+

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