Interplay of charge-Density wave and magnetic order in ternary rare-earth nickel carbides, RNiC(R = Pr and Nd)

Nobuki Yamamoto, Ryusuke Kondo, Hiroyuki Maeda, Yoshio Nogami

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The electrical and structural properties of NdNiCand PrNiCare examined in single-crystalline samples in order to investigate the interplay of charge-density wave (CDW) and magnetic order in ternary rare-earth nickel carbides, RNiC where R is a rare-earth element. PrNiC(no magnetic order down to 1.5 K) and NdNiC[antiferromagnetic (AF) transition at 17.2 K] show resistance anomalies at 89 and 121 K, respectively, which are revealed to be CDW transitions by observing X-ray satellite reflections. NdNiCalso shows a gradual decrease in both resistivity and CDW amplitude below the Néel temperature. In the AF phase, the magnetoresistance sharply decreases where a ferromagnetic (FM) order occurs, which is realized above the spin-flop magnetic field. These results clearly suggest that the relationships between CDW and magnetic order in RNiCdepend on whether the magnetic order is AF or FM.

Original languageEnglish
Article number123701
JournalJournal of the Physical Society of Japan
Volume82
Issue number12
DOIs
Publication statusPublished - Dec 2013

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carbides
rare earth elements
nickel
electrical properties
anomalies
electrical resistivity
magnetic fields
x rays
temperature

Keywords

  • Charge density wave
  • Magnetic order
  • Ternary carbide

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Interplay of charge-Density wave and magnetic order in ternary rare-earth nickel carbides, RNiC(R = Pr and Nd). / Yamamoto, Nobuki; Kondo, Ryusuke; Maeda, Hiroyuki; Nogami, Yoshio.

In: Journal of the Physical Society of Japan, Vol. 82, No. 12, 123701, 12.2013.

Research output: Contribution to journalArticle

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abstract = "The electrical and structural properties of NdNiCand PrNiCare examined in single-crystalline samples in order to investigate the interplay of charge-density wave (CDW) and magnetic order in ternary rare-earth nickel carbides, RNiC where R is a rare-earth element. PrNiC(no magnetic order down to 1.5 K) and NdNiC[antiferromagnetic (AF) transition at 17.2 K] show resistance anomalies at 89 and 121 K, respectively, which are revealed to be CDW transitions by observing X-ray satellite reflections. NdNiCalso shows a gradual decrease in both resistivity and CDW amplitude below the N{\'e}el temperature. In the AF phase, the magnetoresistance sharply decreases where a ferromagnetic (FM) order occurs, which is realized above the spin-flop magnetic field. These results clearly suggest that the relationships between CDW and magnetic order in RNiCdepend on whether the magnetic order is AF or FM.",
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AU - Kondo, Ryusuke

AU - Maeda, Hiroyuki

AU - Nogami, Yoshio

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N2 - The electrical and structural properties of NdNiCand PrNiCare examined in single-crystalline samples in order to investigate the interplay of charge-density wave (CDW) and magnetic order in ternary rare-earth nickel carbides, RNiC where R is a rare-earth element. PrNiC(no magnetic order down to 1.5 K) and NdNiC[antiferromagnetic (AF) transition at 17.2 K] show resistance anomalies at 89 and 121 K, respectively, which are revealed to be CDW transitions by observing X-ray satellite reflections. NdNiCalso shows a gradual decrease in both resistivity and CDW amplitude below the Néel temperature. In the AF phase, the magnetoresistance sharply decreases where a ferromagnetic (FM) order occurs, which is realized above the spin-flop magnetic field. These results clearly suggest that the relationships between CDW and magnetic order in RNiCdepend on whether the magnetic order is AF or FM.

AB - The electrical and structural properties of NdNiCand PrNiCare examined in single-crystalline samples in order to investigate the interplay of charge-density wave (CDW) and magnetic order in ternary rare-earth nickel carbides, RNiC where R is a rare-earth element. PrNiC(no magnetic order down to 1.5 K) and NdNiC[antiferromagnetic (AF) transition at 17.2 K] show resistance anomalies at 89 and 121 K, respectively, which are revealed to be CDW transitions by observing X-ray satellite reflections. NdNiCalso shows a gradual decrease in both resistivity and CDW amplitude below the Néel temperature. In the AF phase, the magnetoresistance sharply decreases where a ferromagnetic (FM) order occurs, which is realized above the spin-flop magnetic field. These results clearly suggest that the relationships between CDW and magnetic order in RNiCdepend on whether the magnetic order is AF or FM.

KW - Charge density wave

KW - Magnetic order

KW - Ternary carbide

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