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|a (TOE)ost840234
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|a (TOE)840234
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|a E 1.99:lbnl--54699
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|a E 1.99:lbnl--54699
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|a lbnl--54699
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|a X-ray absorption studies of the local structure and f-level occupancy in CeIr(1-x)Rh(x)In(5)
|h [electronic resource]
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| 260 |
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|a Berkeley, Calif. :
|b Lawrence Berkeley National Laboratory ;
|a Oak Ridge, Tenn. :
|b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
|c 2004.
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| 300 |
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|a 9 pages :
|b digital, PDF file.
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|a text
|b txt
|2 rdacontent.
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|a computer
|b c
|2 rdamedia.
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|a online resource
|b cr
|2 rdacarrier.
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|a Published through the Information Bridge: DOE Scientific and Technical Information.
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|a 04/15/2004.
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|a "lbnl--54699"
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|a Physical Review B 71 FT.
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| 500 |
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|a Thompson, J.D.; Han, S.-W.; Booth, C.H.; Daniel, M.; Sarrao, J.L.; Cornelius, A.L.; Pagliuso, P.G.
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|a USDOE Director. Office of Science. Office of Basic Energy Sciences. Chemical Sciences Geosciences and Biosciences Division, University of Nevada. Experimental Program to Stimulate Competitive Research. Contract DE-FG02-00ER45835, DOE Cooperative Agreement DE-FC08-98NV13410 (US)
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|a The CeIr{sub 1-x}RhₓIn₅ series exhibits a range of interesting phenomena, including heavy-fermion superconductivity, non-Fermi liquid behavior, and concomitant antiferromagnetism (AF) and superconductivity (SC). In the low-Rh concentration range (0.1 ≥ x ≥ 0.5), specific heat measurements show a broad anomaly, suggestive of gross phase separation. We have performed x-ray absorption experiments at the Ce L{sub III}, Ir L{sub III}, and Rh K-edges as a function of Rh concentration and temperature. X-ray absorption near-edge structure (XANES) measurements indicate that cerium is close to trivalent in this system, with no measurable change with temperature from 20-300 K, consistent with a heavy-fermion material. Extended x-ray absorption fine structure (EXAFS) measurements as a function of temperature from all measured edges indicate the local crystal structure of all samples is well ordered, with no gross phase separation observed, even for samples with x = 0.125 and x = 0.25. These results therefore suggest that the anomalous specific heat behavior in the 0.1 ≥ x ≥ 0.5 range have some other explanation, and some possibilities are discussed.
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|b AC03-76SF00098.
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|b 403005.
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|a Superconductivity.
|2 local.
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| 650 |
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|a Antiferromagnetism.
|2 local.
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| 650 |
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|a Fine Structure.
|2 local.
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| 650 |
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|a Crystal Structure.
|2 local.
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| 650 |
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|a Cerium.
|2 local.
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| 650 |
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|a Specific Heat.
|2 local.
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| 650 |
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|a Absorption.
|2 local.
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| 650 |
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7 |
|a Materials Science.
|2 edbsc.
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| 650 |
|
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|a Condensed Matter Physics, Superconductivity And Superfluidity.
|2 edbsc.
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| 710 |
2 |
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|a Lawrence Berkeley National Laboratory.
|4 res.
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| 710 |
1 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|4 dst.
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| 856 |
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|u http://www.osti.gov/servlets/purl/840234-eNQVIT/native/
|z Online Access
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| 907 |
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|a .b70181160
|b 03-06-23
|c 03-31-12
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| 998 |
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|a web
|b 03-31-12
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|f eng
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| 952 |
f |
f |
|p Can circulate
|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99:lbnl--54699
|h Superintendent of Documents classification
|i web
|n 1
|
