NUCLEAR-QUADRUPOLE RESONANCE GAUSSOMETRY OF LOW MAGNETIC-FIELDS

被引：5

作者：

JUNG, JK ^{[1
]}

HAN, KT ^{[1
]}

CHOH, SH ^{[1
]}

KIM, CS ^{[1
]}

机构：

[1] KOREA RES INST STAND & SCI,TAEJON 305606,SOUTH KOREA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 1994年 / 65卷 / 05期

关键词：

D O I：

10.1063/1.1144856

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A new method of measuring low magnetic fields accurately by employing a nuclear quadrupole resonance (NQR) technique in which a hexamethylene-tetramine [(CH2)6N4] Crystal is used as the detector is proposed here. By applying the magnetic field (B0) along the Z axis of the electric field gradient tensor at N-14 in this crystal (eta=0), one N-14 NQR line (nu0) splits into two lines (nu+ and nu-). The difference of these two lines (deltanu=nu+-nu-) is proportional to the applied low magnetic field. Consequently, the magnetic field can be measured with this frequency difference in terms of the nuclear magnetic moment of the N nucleus. The accuracy, advantages, and limitations of this technique are discussed.

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页码：1663 / 1666

页数：4

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