NMR investigation of quadrupole order parameter in actinide dioxides

Y. Tokunaga; Y. Homma; S. Kambe; D. Aoki; H. Sakai; H. Chudo; K. Ikushima; E. Yamamoto; A. Nakamura; Y. Shiokawa; R. E. Walstedt; H. Yasuoka

NMR investigation of quadrupole order parameter in actinide dioxides

Y. Tokunaga, Y. Homma, S. Kambe, D. Aoki, H. Sakai, H. Chudo, K. Ikushima, E. Yamamoto, A. Nakamura, Y. Shiokawa, R. E. Walstedt, H. Yasuoka

Materials Processing and Characterization Division

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

¹⁷O-NMR have been performed to investigate the order parameters in actinide dioxides. In the antiferro-magnetic ordered state of UO₂, magnetic dipole and electric quadrupole order parameters have been extracted individually through the microscopic hyperfine interactions with ¹⁷O nuclei. We have also detected the development of the quadrupole order parameter in the exotic multipolar ordering state of NpO₂. The large value of the critical exponent suggests the secondary character of the quadrupole ordering in NpO₂.

Original language	English
Pages (from-to)	1663-1665
Number of pages	3
Journal	Journal of Optoelectronics and Advanced Materials
Volume	10
Issue number	7
Publication status	Published - 2008 Jul

Keywords

Critical exponent1 Introduction
NMR
NpO
UO

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

Cite this

@article{1ce284acc107417ba5787ccc8e0f4d95,

title = "NMR investigation of quadrupole order parameter in actinide dioxides",

abstract = "17O-NMR have been performed to investigate the order parameters in actinide dioxides. In the antiferro-magnetic ordered state of UO2, magnetic dipole and electric quadrupole order parameters have been extracted individually through the microscopic hyperfine interactions with 17O nuclei. We have also detected the development of the quadrupole order parameter in the exotic multipolar ordering state of NpO2. The large value of the critical exponent suggests the secondary character of the quadrupole ordering in NpO2.",

keywords = "Critical exponent1 Introduction, NMR, NpO, UO",

author = "Y. Tokunaga and Y. Homma and S. Kambe and D. Aoki and H. Sakai and H. Chudo and K. Ikushima and E. Yamamoto and A. Nakamura and Y. Shiokawa and Walstedt, {R. E.} and H. Yasuoka",

year = "2008",

month = jul,

language = "English",

volume = "10",

pages = "1663--1665",

journal = "Journal of Optoelectronics and Advanced Materials",

issn = "1454-4164",

publisher = "National Institute of Optoelectronics",

number = "7",

}

TY - JOUR

T1 - NMR investigation of quadrupole order parameter in actinide dioxides

AU - Tokunaga, Y.

AU - Homma, Y.

AU - Kambe, S.

AU - Aoki, D.

AU - Sakai, H.

AU - Chudo, H.

AU - Ikushima, K.

AU - Yamamoto, E.

AU - Nakamura, A.

AU - Shiokawa, Y.

AU - Walstedt, R. E.

AU - Yasuoka, H.

PY - 2008/7

Y1 - 2008/7

N2 - 17O-NMR have been performed to investigate the order parameters in actinide dioxides. In the antiferro-magnetic ordered state of UO2, magnetic dipole and electric quadrupole order parameters have been extracted individually through the microscopic hyperfine interactions with 17O nuclei. We have also detected the development of the quadrupole order parameter in the exotic multipolar ordering state of NpO2. The large value of the critical exponent suggests the secondary character of the quadrupole ordering in NpO2.

AB - 17O-NMR have been performed to investigate the order parameters in actinide dioxides. In the antiferro-magnetic ordered state of UO2, magnetic dipole and electric quadrupole order parameters have been extracted individually through the microscopic hyperfine interactions with 17O nuclei. We have also detected the development of the quadrupole order parameter in the exotic multipolar ordering state of NpO2. The large value of the critical exponent suggests the secondary character of the quadrupole ordering in NpO2.

KW - Critical exponent1 Introduction

KW - NMR

KW - NpO

KW - UO

UR - http://www.scopus.com/inward/record.url?scp=49249134793&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=49249134793&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:49249134793

SN - 1454-4164

VL - 10

SP - 1663

EP - 1665

JO - Journal of Optoelectronics and Advanced Materials

JF - Journal of Optoelectronics and Advanced Materials

IS - 7

ER -

NMR investigation of quadrupole order parameter in actinide dioxides

Abstract

Keywords

ASJC Scopus subject areas

Other files and links

Fingerprint

Cite this