Solid state studies on rhodium-substituted CuCr sub 2 O sub 4 spinel oxide

Journal Article · Fri Jun 01 04:00:00 EDT 1990 · Journal of Solid State Chemistry; (USA)

DOI:https://doi.org/10.1016/0022-4596(90)90145-N· OSTI ID:6827034

Padmanaban, N; Avasthi, B N; Ghose, J ^[1]

---

1. Indian Institute of Technology, Kharagpur (India)

Rhodium-substituted CuCr{sub 2}O{sub 4}, i.e., CuCr{sub 2-x}Rh{sub x}O{sub 4}, spinel oxides were prepared. X-ray analysis showed that single phase spinels were obtained for x = 0 to 0.8, 1.8, and 2.0. The other samples had an additional Cu{sub 2}Cr{sub 2}O{sub 4} phase. The temperature variation of electrical resistivity for all the single phase samples except CuRh{sub 2}O{sub 4} was similar to that of CuCr{sub 2}O{sub 4} and with the substitution of Cr (3d transition metal) by Rh (4d transition metal) the conduction process did not change gradually from CuCr{sub 2}O{sub 4} type to CuRh{sub 2}O{sub 4} type.

• OSTI ID: 6827034
• Journal Information: Journal of Solid State Chemistry; (USA), Journal Name: Journal of Solid State Chemistry; (USA) Vol. 86:2; ISSN 0022-4596; ISSN JSSCB
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
CHALCOGENIDES
COHERENT SCATTERING
DATA
DATA ANALYSIS
DIFFRACTION
EXPERIMENTAL DATA
INFORMATION
MEASURING INSTRUMENTS
MEASURING METHODS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHASE STUDIES
PHYSICAL PROPERTIES
REFRACTORY METAL COMPOUNDS
RHODIUM COMPOUNDS
RHODIUM OXIDES
SCATTERING
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION