Micro-Raman scattering investigations on borocarbides

被引：6

作者：

Hartmann, J

Gompf, F

Renker, B

机构：

[1] Forschungszentrum Karlsruhe, INFP, D-76021 Karlsruhe

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 1996年 / 105卷 / 5-6期

关键词：

D O I：

10.1007/BF00753933

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Single crystalline specimens of RNi(2)B(2)C (R=Y, La) and Y(Ni.7Co.3)(2)B2C (non-superconducting reference) have been isolated from om polycrystalline samples and successfully orientated. All four observable Raman peaks could be measured and unambiguously be? attributed to vibrations of B and Ni atoms. Most important we can show that a broadening of the B-A(1g) mode also occurs in nonsuperconducting reference samples and should therefore not be taken as an evidence for a dominant role of the B-A(1g), mode in the pairing interaction.

引用

页码：1629 / 1634

页数：6

共 10 条

[1] ELECTRON-DENSITY OF STATES IN THE BOROCARBIDE INTERMETALLIC SUPERCONDUCTORS [J].

CARTER, SA ;

BATLOGG, B ;

CAVA, RJ ;

KRAJEWSKI, JJ ;

PECK, WF ;

TAKAGI, H .

PHYSICAL REVIEW B, 1994, 50 (06) :4216-4219

[2] SUPERCONDUCTIVITY AT 23-K IN YTTRIUM PALLADIUM BORIDE CARBIDE [J].

CAVA, RJ ;

TAKAGI, H ;

BATLOGG, B ;

ZANDBERGEN, HW ;

KRAJEWSKI, JJ ;

PECK, WF ;

VANDOVER, RB ;

FELDER, RJ ;

SIEGRIST, T ;

MIZUHASHI, K ;

LEE, JO ;

EISAKI, H ;

CARTER, SA ;

UCHIDA, S .

NATURE, 1994, 367 (6459) :146-148

[3] SUPERCONDUCTIVITY IN THE QUATERNARY INTERMETALLIC COMPOUNDS LNNI2B2C [J].

CAVA, RJ ;

TAKAGI, H ;

ZANDBERGEN, HW ;

KRAJEWSKI, JJ ;

PECK, WF ;

SIEGRIST, T ;

BATLOGG, B ;

VANDOVER, RB ;

FELDER, RJ ;

MIZUHASHI, K ;

LEE, JO ;

EISAKI, H ;

UCHIDA, S .

NATURE, 1994, 367 (6460) :252-253

[4]

GROMPF F, UNPUB PHYS REV B

[5] RAMAN-SCATTERING FROM PHONONS IN YNI2B2C [J].

HADJIEV, VG ;

BOZUKOV, LN ;

BAYCHEV, MG .

PHYSICAL REVIEW B, 1994, 50 (22) :16726-16728

[6] ELECTRONIC-PROPERTIES OF SUPERCONDUCTING LUNI2B2C AND RELATED BORIDE CARBIDE PHASES [J].

MATTHEISS, LF .

PHYSICAL REVIEW B, 1994, 49 (18) :13279-13282

[7] Raman modes of RNi(2)B(2)C (R=Lu,Ho,Y) single crystals [J].

Park, HJ ;

Shin, HS ;

Lee, HG ;

Yang, IS ;

Lee, WC ;

Cho, BK ;

Canfield, PC ;

Johnston, DC .

PHYSICAL REVIEW B, 1996, 53 (05) :2237-2240

[8] LUNI2B2C - A NOVEL NI-BASED STRONG-COUPLING SUPERCONDUCTOR [J].

PICKETT, WE ;

SINGH, DJ .

PHYSICAL REVIEW LETTERS, 1994, 72 (23) :3702-3705

[9] THE CRYSTAL-STRUCTURE OF SUPERCONDUCTING LUNI2B2C AND THE RELATED PHASE LUNIBC [J].

SIEGRIST, T ;

ZANDBERGEN, HW ;

CAVA, RJ ;

KRAJEWSKI, JJ ;

PECK, WF .

NATURE, 1994, 367 (6460) :254-256

[10]

SIEGRIST T, IN PRESS J METALS AL

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