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High-pressure magnetic resonance detection device

A detection device and magnetic resonance technology, which is applied in the field of high-voltage magnetic resonance detection devices, can solve the problems of increasing the pressure, coils occupying the space of the sample cavity, disadvantages, etc., and achieve the effect of increasing the pressure

Inactive Publication Date: 2019-04-16
UNIV OF SCI & TECH OF CHINA
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Problems solved by technology

The traditional high-voltage nuclear magnetic resonance requires an induction coil to excite the sample to be tested and detect the magnetic resonance signal of the sample to be tested. The induction coil is placed in the high-voltage sample cavity. On the one hand, the coil is easily cut off by the diamond anvil under high pressure. On the other hand, the coil Will take up space in the sample chamber, so that a larger diameter diamond anvil has to be used to accommodate the coil and sample, which is not conducive to further increasing the pressure

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[0045] The diamond color center structure, also known as the diamond nitrogen-vacancy (NV) color center; in recent years, the Optical Detected Magnetic Resonance (ODMR) method based on the diamond color center structure has been applied to quantum computing and quantum precision measurement and other fields. The diamond color center structure is a kind of light-emitting point defect in diamond. Its structure is that a carbon atom in the diamond structure is replaced by a nitrogen atom, and the adjacent position of the nitrogen atom also includes a hole structure. The diamond color center structure can be as large as the atomic size, and it can be close to the sample to be measured on the nanometer scale. As a quantum sensor, it can detect the magnetic properties and magnetic resonance information of the sample.

[0046]In the document "Magnetic flux tailoring through Lenz lenses for ultrasmall samples: A new pathway to high-pressure nuclear magnetic resonance", it is proposed ...

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Abstract

The invention discloses a high-pressure magnetic resonance detection device. The high-pressure magnetic resonance detection device uses a diamond color center structure to serve as a probe structure of a detection module, and the diamond color center is prepared on an anvil surface of the diamond structure of a high pressure device, so that there is no need to occupy the space of a sample cavity,the occurrence of a circumstance that the pressure intensity capable of being provided by the high-pressure magnetic resonance detection device is reduced due to the occupation of the sample cavity space by an induction coil or the diamond color center structure is avoided, and thus the pressure intensity capable of being provided by the high-pressure magnetic resonance detection device is improved to a certain extent.

Description

technical field [0001] The present application relates to the technical field of magnetic resonance, and more specifically, relates to a high-voltage magnetic resonance detection device. Background technique [0002] Under the condition of high pressure (general order of magnitude 1GPa is called high pressure), the distance between its atoms and molecules will decrease, and then the overlapping of adjacent electronic orbitals will increase, and the energy level structure will change, showing many novel properties. . The study of material properties under high pressure has discovered many new phenomena, and phase transitions have been found in thousands of substances, such as the transformation of molecular crystals into metals, and the transformation of non-superconducting substances into superconductors under high pressure, deepening the understanding of magnetism, superconductivity The understanding of the physical mechanism of such phenomena guides the research of new ma...

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Application Information

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IPC IPC(8): G01N24/08
Inventor 荣星穆世伟谢一进靖克石致富杜江峰
Owner UNIV OF SCI & TECH OF CHINA
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