CN111693556B - Neutron polarization direction turning device for spin echo small-angle neutron scattering spectrometer - Google Patents
Neutron polarization direction turning device for spin echo small-angle neutron scattering spectrometer Download PDFInfo
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- CN111693556B CN111693556B CN202010711614.6A CN202010711614A CN111693556B CN 111693556 B CN111693556 B CN 111693556B CN 202010711614 A CN202010711614 A CN 202010711614A CN 111693556 B CN111693556 B CN 111693556B
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- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/201—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials by measuring small-angle scattering
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
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Abstract
The invention provides a neutron polarization direction overturning device for a spin echo small-angle neutron scattering spectrometer. The flat pure aluminum wire after anodic oxidation treatment is selected for the coil in the device, and a winding mode adapting to the size of the neutron beam is adopted at the opposite surfaces of the two frameworks, so that the uniformity of a magnetic field and the neutron transmittance are improved. The device can flexibly adjust the turnover degree of the neutron polarization direction. The device can satisfy the upset requirement of neutron polarization direction, improves the detection precision and the efficiency of spectrometer effectively. The invention can be used for representing the submicroscopic structural information of nano-to-micrometer scales such as cavities, defects, magnetic structures and the like in materials such as high molecular polymers, fluids, sols, alloys, biological macromolecules and the like by matching with a precession magnetic field generating device, and plays a guiding role in the aspects of basic research on material characteristics and the like.
Description
Technical Field
The invention relates to the technical field of small-angle neutron scattering, in particular to a neutron polarization direction overturning device for a spin echo small-angle neutron scattering spectrometer.
Background
The magnetic field generating device for reversing the neutron polarization direction of the spin echo small-angle neutron scattering spectrometer is matched with the precession magnetic field generating device, can be used for representing submicroscopic structure information of nano-to-micrometer scales such as cavities, defects, magnetic structures and the like in materials such as high molecular polymers, fluids, sols, alloys, biological macromolecules and the like, and plays a guiding role in the aspects of basic research on material characteristics and the like. The spin echo small-angle neutron scattering spectrometer utilizes two groups of magnetic field generating devices for turning over the neutron polarization direction, starts or stops the precession of neutrons through the sudden change of a magnetic field, and analyzes the structural information of a sample through turning over the neutron polarization direction. The conventional turnover device has poor magnetic field uniformity, low neutron transmittance and large interference magnetic field, and can not meet the turnover requirement of the neutron polarization direction, so that the detection precision and efficiency of the spectrometer are directly reduced.
Disclosure of Invention
In view of the above, the present invention provides a neutron polarization direction flipping device for a spin echo small angle neutron scattering spectrometer.
The invention specifically adopts the following technical scheme:
a neutron polarization direction turning device for a spin echo small-angle neutron scattering spectrometer is characterized by comprising a coil, pouring sealant, a magnetic shield, a turner framework, a wire outlet box and a wire pressing insulating strip; the connection relation is as follows: the pouring sealant is tightly coated on the periphery of the coil, the magnetic shielding cover is coated on the middle section of the coil, the wire outlet boxes are fixed on the wire pressing insulating strips, and the number of the wire pressing insulating strips is consistent with that of the wire outlet boxes and fixed on the turner framework; the tilter framework comprises a neutron incidence framework, a neutron emergence framework, a distance plate and a connecting angle piece; the neutron incidence framework is provided with a V-shaped opening, and the edge of the opening is slightly higher than the plane of the framework so as to play a role in fixing the coil; the neutron outgoing direction framework and the neutron incoming direction framework have the same structure, the V-shaped openings of the two frameworks are reversely turned for 90 degrees and placed, and a channel slightly larger than the size of a neutron beam spot is reserved on the opposite surfaces of the two frameworks and is used for the neutron beam to pass through; the neutron incidence direction skeleton and the neutron outgoing direction skeleton are fixedly connected through a connecting angle piece positioned in the middle section of the turner skeleton;
the coil is wound by adopting a flat wire, the coil is tightly attached to the neutron incidence framework and the neutron output direction framework and is wound along the direction of the V-shaped opening, a transition magnetic field is provided for changing the spin direction of polarized neutrons, and a winding mode adapting to the size of neutron beam current is adopted at the opposite side of the neutron incidence direction framework and the neutron output direction framework; the wire pressing insulating strip is fixed on one side of the framework on which the coil is not wound when the neutron is incident or one side of the framework on which the coil is not wound when the neutron is emitted, and is far away from the center of the neutron beam.
Furthermore, the distance plates are four in total, two of the distance plates are a group, one group of distance plates are symmetrically fixed on the two sides of one side of the framework opposite to the neutron incidence direction and are placed in the direction perpendicular to the winding direction of the coil on the framework opposite to the neutron incidence direction, and the other group of distance plates are symmetrically fixed on the two sides of one side of the framework opposite to the neutron incidence direction and are placed in the direction perpendicular to the winding direction of the coil on the framework opposite to the neutron incidence direction.
Furthermore, a plurality of equal-width wire grooves are arranged on the distance plates at equal intervals;
furthermore, the materials of the distance plate and the connecting corner piece are non-magnetic materials, and the pouring sealant is high-thermal-conductivity insulating glue.
Further, the line ball insulating strip and the contact surface of the box that is qualified for next round of competitions, the contact surface of the box body and the lid of being qualified for next round of competitions carry out sealed glue and handle, if: the sealing connection is made by painting 704 silicone.
Furthermore, the outlet box comprises an outlet box cover, an outlet box body, an insulating plate, a cable fixing head and a binding post, wherein the outlet box body and the outlet box cover form an outlet box shell, the cable fixing head is fixed on the outlet box body, the insulating plate is fixed between the outlet box body and the binding post, and the outlet wire of the coil is led out from the cable fixing head.
Further, the coil is made of pure aluminum wires and is subjected to anodic oxidation treatment.
Furthermore, the coils wound at the opposite surfaces of the neutron incidence direction skeleton and the neutron emission direction skeleton are not filled with glue.
Furthermore, the materials of the neutron incidence framework and the neutron emission framework are non-magnetic materials, and the surfaces of the materials are coated with anti-rust primer and are subjected to anodic oxidation treatment.
Furthermore, the magnetic shield is made of a high-permeability material with the permeability of more than 10000H/M.
The invention has the beneficial effects that: the neutron polarization direction overturning device for the spin echo small-angle neutron scattering spectrometer has the characteristics of simple structure and reliable performance. The device is used for starting or stopping precession of neutrons by generating a mutation magnetic field, and analyzing the structural information of a sample by turning the polarization direction of the neutrons. The coils in the device are flat pure aluminum wires subjected to anodic oxidation treatment, and the opposite surfaces of the two frameworks are wound in a winding mode suitable for the size of the neutron beam, so that the magnetic field uniformity of the section of the neutron beam and the neutron transmittance are improved. The device adopts the structure that the magnetic shield covers the coil, and can effectively shield the interference of an external magnetic field. The main components in the device, which do not need to be loaded with current, are all made of non-magnetic materials, so that the influence of an interference magnetic field generated after the components are magnetized on polarized neutrons can be effectively avoided. The neutron incidence direction skeleton and the neutron emission direction skeleton of the device are two independent components, and the turnover degree of the neutron polarization direction can be flexibly adjusted by changing the placement direction of one of the skeletons. The device can meet the requirement of overturning the neutron polarization direction of the spin echo small-angle neutron scattering spectrometer, can be suitable for neutron beam spots of various sizes according to the actual condition of a reactor, and effectively improves the detection precision and efficiency of the spectrometer.
The invention is suitable for materials such as high molecular polymers, fluids, sols, alloys, biological macromolecules and the like, can meet the characterization requirements of the submicroscopic structure information of nano-to micrometer-scale such as cavities, defects, magnetic structures and the like in the materials, plays a guiding role in the aspects of basic research on the material characteristics and the like, and has wide application prospects in the fields of life sciences, energy sources, environments and the like.
Drawings
FIG. 1 is a schematic structural diagram of a neutron polarization direction flipping device for a spin echo small angle neutron scattering spectrometer according to the present invention;
FIG. 2 is a rear view of a neutron polarization direction flipping device for a spin echo small angle neutron scattering spectrometer of the present invention;
FIG. 3 is a schematic structural diagram of a tilter skeleton of the neutron polarization direction tilter for a spin echo small-angle neutron scattering spectrometer of the present invention;
FIG. 4 is a right side view of the neutron incidence to the skeleton of the neutron polarization direction flipping device for a spin echo small angle neutron scattering spectrometer of the present invention;
FIG. 5 is a schematic structural diagram of an outlet box of the neutron polarization direction reversing device for the spin echo small-angle neutron scattering spectrometer of the present invention;
FIG. 6 is a schematic diagram of a coil wound on a bobbin for neutron incidence of a neutron polarization direction flipping device of a spin echo small angle neutron scattering spectrometer of the present invention;
in the figure, 1, a coil 2, a pouring sealant 3, a magnetic shield 4, a turner framework 5, a wire outlet box 6, a wire pressing insulating strip 7, neutrons enter the framework 8, neutrons exit the framework 9, a distance plate 10, a connecting angle piece 11, a wire outlet box cover 12, a wire outlet box body 13, an insulating plate 14, a cable fixing head 15, a binding post 16 and a clamping groove.
Detailed Description
The invention is further explained in detail below with reference to the drawings and examples.
As shown in fig. 1-6, the neutron polarization direction turning device for spin echo small-angle neutron scattering spectrometer of the invention comprises a coil 1, a potting adhesive 2, a magnetic shield 3, a turner framework 4, a wire outlet box 5 and a wire pressing insulating strip 6; the connection relation is as follows: the pouring sealant 2 is tightly coated on the periphery of the coil 1, the magnetic shield 3 is coated on the middle section of the coil 1, the wire outlet boxes 5 are fixed on the wire pressing insulating strips 6, and the number of the wire pressing insulating strips 6 is consistent with that of the wire outlet boxes 5 and fixed on the turner framework 4; as shown in fig. 3, the tilter frame 4 comprises a neutron incident direction frame 7, a neutron emergent direction frame 8, a distance plate 9 and a connecting angle piece 10; the neutron incidence direction framework 7 is provided with a V-shaped opening which is used for reducing the weight of the framework, and the edge of the opening is slightly higher than the plane of the framework so as to play a role in fixing the coil; the neutron outgoing direction framework 8 and the neutron incoming direction framework 7 have the same structure, the V-shaped openings of the two frameworks are reversely turned for 90 degrees, and a channel slightly larger than the size of a neutron beam spot is reserved on the opposite surface and used for the neutron beam to pass through; the neutron incidence direction framework 7 and the neutron outgoing direction framework 8 are fixedly connected through a connecting angle piece 10 positioned at the middle section of the tilter framework 4;
the coil 1 is wound by adopting a flat wire to reduce the gap of the coil in the winding process so as to improve the uniformity of a magnetic field. The coil 1 is tightly attached to the neutron incidence framework 7 and the neutron emission framework 8 and is wound along the direction of the V-shaped opening, a transition magnetic field is provided for changing the spin direction of polarized neutrons, and a winding mode adapting to the size of neutron beam is adopted at the opposite surfaces of the neutron incidence framework 7 and the neutron emission framework 8, so that the magnetic field uniformity of the neutron beam section is improved; the wire pressing insulating strip 6 is fixed on one side of the neutron incident to the framework 7 and not wound with the coil 1 or one side of the neutron emergent to the framework 8 and not wound with the coil 1, and is far away from the center of the neutron beam.
A neutron polarization direction turning device for spin echo small angle neutron scattering spectrometer can be used to start or stop precession of neutrons and resolves the structural information of a sample by turning the neutron polarization direction. The coils in the device are flat pure aluminum wires subjected to anodic oxidation treatment, and the opposite surfaces of the two frameworks are wound in a winding mode adapting to the size of the neutron beam, so that the magnetic field uniformity and the neutron transmittance of the neutron beam cross section are improved. The device adopts the structure that the magnetic shield covers the coil, and can effectively shield the interference of an external magnetic field. The main components in the device, which do not need to be loaded with current, are all made of non-magnetic materials, so that the influence of an interference magnetic field generated after the components are magnetized on polarized neutrons can be effectively avoided. The neutron incidence shooting framework and the neutron emission shooting framework of the device are two independent components, and the turnover degree of the neutron polarization direction can be flexibly adjusted by changing the placement direction of one framework. The device can meet the requirement on the reversal of the neutron polarization direction of the spin echo small-angle neutron scattering spectrometer, can be suitable for neutron beam spots of various sizes according to the actual condition of a reactor, and effectively improves the detection precision and efficiency of the spectrometer. The invention is matched with a precession magnetic field generating device, can be used for representing the nano-to-micron-scale submicroscopic structure information such as holes, defects, magnetic structures and the like in materials such as high molecular polymers, fluids, sols, alloys, biological macromolecules and the like, and plays a guiding role in the aspects of basic research on material characteristics and the like.
Furthermore, the distance plates 9 are four in total, two of the distance plates are a group, one group of distance plates 9 are symmetrically fixed on two sides of one surface of the neutron incidence framework 7 and opposite to the two sides of one surface of the neutron incidence framework 7, and are placed in the direction perpendicular to the winding direction of the coil 1 on the neutron incidence framework 7, the other group of distance plates 9 are symmetrically fixed on two sides of one surface of the neutron incidence framework 8 and opposite to the two sides of one surface of the neutron incidence framework 7, and are placed in the direction perpendicular to the winding direction of the coil 1 on the neutron incidence framework 8, and therefore the function of fixing the coil is achieved.
Furthermore, a plurality of equal-width wire slots are arranged on the distance plate 9 at equal intervals;
furthermore, the materials of the distance plate 9 and the connecting angle piece 10 are non-magnetic materials, so that the influence of an interference magnetic field generated after the parts are magnetized on polarized neutrons is effectively avoided. The pouring sealant 2 is made of high-thermal-conductivity insulating glue.
Further, the contact surface of the wire pressing insulating strip 6 and the wire outlet box 5, and the contact surface of the wire outlet box body 12 and the wire outlet box cover 11 are subjected to sealing and gluing treatment, such as: by painting 704 a silicone gel.
Further, the outlet box 5 comprises an outlet box cover 11, an outlet box body 12, an insulating plate 13, a cable fixing head 14 and a binding post 15, wherein the outlet box body 12 and the outlet box cover 11 form an outer shell of the outlet box 5, the cable fixing head 14 is fixed on the outlet box body 12, the insulating plate 13 is fixed between the outlet box body 12 and the binding post 15, and the outlet wire of the coil 1 is led out from the cable fixing head 14.
Further, the coil 1 is made of pure aluminum wire with high thermal conductivity, high electrical conductivity and high neutron transmittance, and is subjected to anodic oxidation treatment.
Furthermore, the coil 1 wound at the opposite surface of the neutron incidence framework 7 and the neutron emission framework 8 is not filled with glue. Both the no-glue and anodic oxidation treatments are for increasing neutron transmittance, as the neutron flux will pass through the coils wound at the opposite faces.
Furthermore, the materials of the neutron incidence framework 7 and the neutron emission framework 8 are non-magnetic materials, and the surfaces of the materials are coated with anti-corrosive primer and are subjected to natural-color anodic oxidation treatment.
High insulating material is selected to line ball insulated strip 6, insulating cement is paintd to both sides, if: and the AB glue is embedded into the clamping groove 16 on the framework and is level with the framework. The outgoing line box body 12 and the outgoing line box cover 11 are made of non-magnetic materials, and the surfaces of the outgoing line box body and the outgoing line box cover are subjected to natural-color anodic oxidation treatment. The binding post 15 adopts high-conductivity copper. The cable fixing head 14 is made of stainless steel.
Further, the magnetic shield 3 is made of a high magnetic permeability material with the magnetic permeability of more than 10000H/M.
Example 1
In the embodiment, the number of the line pressing insulating strips 6 is two, the two line pressing insulating strips are respectively fixed on one side of a neutron incident direction to the framework 7, on which the coil 1 is not wound, and one side of the neutron outgoing direction to the framework 8, on which the coil 1 is not wound, and are far away from the center of a neutron beam, AB glue is coated on two sides of the line pressing insulating strips 6, and the line pressing insulating strips are embedded into a clamping groove 16 on the framework and are flush with the framework; the number of the outlet boxes 5 is two, the outlet boxes are respectively fixed on two wire pressing insulating strips 6, and the contact surfaces of the wire pressing insulating strips 6 and the outlet boxes 5 and the contact surfaces of the outlet box body 12 and the outlet box cover 11 are coated with 704 silica gel for sealing treatment. The number of the distance plates 9 is four, two of the distance plates are a group, a group of distance plates 9 are symmetrically fixed on two sides of one surface of the neutron incidence framework 7, which is opposite to the neutron incidence framework and is emitted to the neutron incidence framework 8, and are arranged in the direction perpendicular to the winding direction of the coil 1 on the neutron incidence framework 7, and a group of distance plates 9 are symmetrically fixed on two sides of one surface of the neutron incidence framework 8, which is opposite to the neutron incidence framework and is emitted to the neutron incidence framework 7, and are arranged in the direction perpendicular to the winding direction of the coil 1 on the neutron incidence framework 8.
This example1, neutron incidence shooting framework and neutron emission shooting framework are made of aluminum alloy, the overall dimensions are 330mm (length) x 330mm (width) x 330mm (height), the width of a V-shaped opening of the framework, which needs to be wound, is 10mm, and the opposite surfaces of the neutron incidence shooting framework and the neutron emission shooting framework are placed in a close fit manner after a coil is wound; the coil has a cross-sectional area of 1mm 2 The number of turns of the coils respectively wound on the neutron incidence direction framework and the neutron emission direction framework is 300, the size of the coil wound on a single framework is 300mm (length) multiplied by 300mm (width) multiplied by 300mm (height), the winding width of the coil at the V-shaped opening of the framework is 5mm, and the loading current is 2A; the magnetic shield cover is made of soft iron, the overall dimension of the magnetic shield cover is 350mm multiplied by 350mm, and the thickness of the magnetic shield cover is 3 mm. After the implementation, the invention can generate a magnetic field of more than 16Gs in a central area (12cm (length) × 2cm (width) × 6cm (height)) of a neutron incidence frame and a neutron emergence frame opposite surfaces, and the integral uniformity is 3.95 × 10 -6 T m, the polarization direction of the polarized neutrons is reversed by 90 degrees after passing through the device.
Example 2
The structure of this embodiment is the same as that of embodiment 1, except that the external dimensions of the skeleton for neutron incidence and emission are both 330mm (length) × 330mm (width) × 380mm (height), the width of the V-shaped opening of the skeleton where the winding is required is 10mm, the dimension of the coil wound on a single skeleton is 300mm (length) × 300mm (width) × 350mm (height), the width of the coil winding at the V-shaped opening of the skeleton is 5mm, and the external dimension of the magnetic shield is 350mm × 350mm × 400 mm. After the implementation, the invention can generate a magnetic field of more than 10Gs in a central area (12cm (length) × 2cm (width) × 6cm (height)) of neutron incidence to the framework and neutron emission to the opposite surface of the framework, and the integral uniformity is 2.30 × 10 -6 T m, the polarization direction of the polarized neutrons is reversed by 90 degrees after passing through the device.
Claims (7)
1. A neutron polarization direction turning device for a spin echo small-angle neutron scattering spectrometer is characterized by comprising a coil (1), a pouring sealant (2), a magnetic shield (3), a turner framework (4), a wire outlet box (5) and a wire pressing insulating strip (6); the connection relation is as follows: the pouring sealant (2) is tightly coated on the periphery of the coil (1), the magnetic shielding cover (3) is coated on the middle section of the coil (1), and the wire outlet box (5) is fixed on the wire pressing insulating strip (6) and the turner framework (4); the turnover device comprises a turnover device framework (4), a separation plate and a connecting angle piece (10), wherein the turnover device framework (4) comprises a neutron incident direction framework (7), a neutron emergent direction framework (8), a distance plate (9) and the connecting angle piece (10); the neutron incidence direction framework (7) is provided with a V-shaped opening, and the edge of the opening is slightly higher than the plane of the framework so as to play a role in fixing the coil; the neutron outgoing direction framework (8) and the neutron incoming direction framework (7) have the same structure, the V-shaped openings of the two frameworks are reversely turned over for 90 degrees, and a channel slightly larger than the size of a neutron beam spot is reserved on the opposite surfaces of the two frameworks and used for the neutron beam to pass through; the neutron incidence direction framework (7) and the neutron outgoing direction framework (8) are fixedly connected through a connecting angle piece (10) positioned at the middle section of the turner framework (4);
the coil (1) is wound by adopting a flat wire, the coil (1) is tightly attached to a neutron incidence shooting framework (7) and a neutron emission shooting framework (8) and is wound along the direction of a V-shaped opening, a transition magnetic field is provided for changing the spin direction of polarized neutrons, and a winding mode adapting to the size of a neutron beam is adopted at the opposite surface of the neutron incidence shooting framework (7) and the neutron emission shooting framework (8); the wire pressing insulating strip (6) is fixed on one side of the neutron incident to the framework (7) and not wound with the coil (1) or one side of the neutron emergent to the framework (8) and not wound with the coil (1), and is far away from the center of the neutron beam; the number of the distance plates (9) is four, two distance plates are a group, one group of distance plates (9) are symmetrically fixed to the two sides of one surface of the framework (8) irradiated by neutrons and are opposite to the two sides of the other surface of the framework (8) irradiated by neutrons and are placed in the direction perpendicular to the winding direction of the coil (1) on the framework (7) irradiated by neutrons, and the other group of distance plates (9) are symmetrically fixed to the two sides of one surface of the framework (7) irradiated by neutrons and are perpendicular to the winding direction of the coil (1) on the framework (8) irradiated by neutrons and are opposite to the two sides of one surface of the framework (8); the distance plates (9) are arranged with a plurality of equal-width wire grooves at equal intervals; the outgoing line box (5) comprises an outgoing line box cover (11), an outgoing line box body (12), an insulating plate (13), a cable fixing head (14) and a binding post (15), wherein the outgoing line box body (12) and the outgoing line box cover (11) form an outer shell of the outgoing line box (5), the cable fixing head (14) is fixed on the outgoing line box body (12), the insulating plate (13) is fixed between the outgoing line box body (12) and the binding post (15), and the outgoing line of the coil (1) is led out from the cable fixing head (14).
2. The apparatus for reversing the neutron polarization direction of a spin echo small angle neutron scattering spectrometer as claimed in claim 1, wherein the material of the distance plate (9) and the material of the connecting angle piece (10) are both selected from non-magnetic materials, and the potting adhesive (2) is selected from high thermal conductivity insulating adhesive.
3. The apparatus for reversing the neutron polarization direction in a spin echo small angle neutron scatterometer according to claim 1, characterized in that the contact surface of the insulating strip and the outlet box (5) and the contact surface of the outlet box body (12) and the outlet box cover (11) are subjected to sealing glue joint treatment.
4. The apparatus for flipping the neutron polarization direction for spin echo small angle neutron scatterometers according to claim 1, characterized in that the coil (1) is selected as pure aluminum wire and is anodized.
5. The apparatus for reversing the neutron polarization direction for spin echo small angle neutron scattering spectrometer as claimed in claim 1, wherein the coils (1) wound at the opposite sides of the neutron in direction to the skeleton (7) and the neutron out direction to the skeleton (8) are not filled with glue.
6. The apparatus for reversing the neutron polarization direction for a spin echo small angle neutron scattering spectrometer as claimed in claim 1, wherein the material for the neutron incidence to the skeleton (7) and the material for the neutron emission to the skeleton (8) are both selected from non-magnetic materials, and the surface thereof is coated with rust-proof primer and anodized.
7. The apparatus of claim 1 for flipping the direction of neutron polarization for spin echo small angle neutron scattering spectrometer, characterized by: the magnetic shield (3) is made of a high-permeability material with the permeability of more than 10000H/M.
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| CN112093520B (en) * | 2020-09-24 | 2023-02-03 | 中国工程物理研究院核物理与化学研究所 | Neutron spin turning device based on soft magnetic film and application thereof |
| CN113433145B (en) * | 2021-07-08 | 2024-07-23 | 湖南科美达电气股份有限公司 | Pi/2 turner |
| CN115406919B (en) * | 2022-06-29 | 2024-08-30 | 中国工程物理研究院核物理与化学研究所 | Magnetic field jumping device of spin echo small angle neutron scattering spectrometer |
| CN115165940B (en) * | 2022-06-29 | 2024-08-30 | 中国工程物理研究院核物理与化学研究所 | High-precision magnetic field turnover device for spin echo small-angle neutron scattering spectrometer |
| CN115060750A (en) * | 2022-06-30 | 2022-09-16 | 中国工程物理研究院核物理与化学研究所 | Polarized neutron spin turning device for spin echo quasi-bomb neutron scattering spectrometer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1944774A1 (en) * | 2005-11-01 | 2008-07-16 | Riken | Neutron polarization equipment |
| WO2010055540A1 (en) * | 2008-11-17 | 2010-05-20 | Achille Zanzucchi Editore Di Achille Zanzucchi | Static electromagnetic apparatus for accelerating electrically neutral molecules utilizing their dipolar electric moment |
| WO2012066024A1 (en) * | 2010-11-17 | 2012-05-24 | Specs Surface Nano Analysis Gmbh | Spin detector arrangement for measuring the vector component of a spin vector predominating in a particle beam |
| CN104849148A (en) * | 2015-05-21 | 2015-08-19 | 中国工程物理研究院核物理与化学研究所 | In situ pressure loading device for neutron small-angle scattering |
| CN105301533A (en) * | 2015-12-08 | 2016-02-03 | 上海辰光医疗科技股份有限公司 | Mouse experiment radiofrequency coil device used for magnetic resonance imaging |
| CN108844981A (en) * | 2018-09-19 | 2018-11-20 | 中国工程物理研究院核物理与化学研究所 | A kind of time resolution stretching device for small-angle neutron scattering spectrometer |
| CN110867974A (en) * | 2011-07-08 | 2020-03-06 | 奥克兰联合服务有限公司 | Interoperability of magnetic structures for inductive power transfer systems |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3400670B2 (en) * | 1997-03-03 | 2003-04-28 | 理化学研究所 | Neutron beam control method and control device |
| DE10112625B4 (en) * | 2001-03-14 | 2009-03-05 | Bundesrepublik Deutschland, vertr. d. d. Bundesministerium für Wirtschaft und Technologie, dieses vertr. d. d. Präsidenten der Physikalisch-Technischen Bundesanstalt | Method for forming frequency- and / or amplitude-modulated electromagnetic pulses for inducing adiabatic transfer processes in quantum mechanical systems |
| WO2007069454A1 (en) * | 2005-12-13 | 2007-06-21 | Shin-Etsu Chemical Co., Ltd. | Process for producing radially anisotropic magnet |
| US8773020B2 (en) * | 2010-10-22 | 2014-07-08 | Applied Materials, Inc. | Apparatus for forming a magnetic field and methods of use thereof |
| SI2780913T1 (en) * | 2011-11-14 | 2017-08-31 | The Regents Of The University Of California | System for forming and maintaining a high performance frc |
| CN104174844B (en) * | 2014-08-19 | 2016-04-06 | 宁波百琪达自动化设备有限公司 | Full-automatic pressing under magnetic field press |
| KR101746504B1 (en) * | 2015-10-01 | 2017-06-14 | 한국원자력연구원 | High magnetic cavity apparatus and rf neutron spin flipper apparatus having the same |
| CN205941926U (en) * | 2016-08-24 | 2017-02-08 | 中国工程物理研究院核物理与化学研究所 | Neutron detector based on fission collecting of electro principle |
| CN106770400B (en) * | 2017-01-06 | 2023-08-15 | 中国工程物理研究院核物理与化学研究所 | Automatic sample changing device for small-angle neutron scattering spectrometer |
| CN209387888U (en) * | 2019-01-08 | 2019-09-13 | 中国工程物理研究院核物理与化学研究所 | It is a kind of for controlling the flip coils of neutron spin |
| CN110993143A (en) * | 2019-12-31 | 2020-04-10 | 散裂中子源科学中心 | Compact superconductive neutron polarization turner |
-
2020
- 2020-07-22 CN CN202010711614.6A patent/CN111693556B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1944774A1 (en) * | 2005-11-01 | 2008-07-16 | Riken | Neutron polarization equipment |
| WO2010055540A1 (en) * | 2008-11-17 | 2010-05-20 | Achille Zanzucchi Editore Di Achille Zanzucchi | Static electromagnetic apparatus for accelerating electrically neutral molecules utilizing their dipolar electric moment |
| WO2012066024A1 (en) * | 2010-11-17 | 2012-05-24 | Specs Surface Nano Analysis Gmbh | Spin detector arrangement for measuring the vector component of a spin vector predominating in a particle beam |
| CN110867974A (en) * | 2011-07-08 | 2020-03-06 | 奥克兰联合服务有限公司 | Interoperability of magnetic structures for inductive power transfer systems |
| CN104849148A (en) * | 2015-05-21 | 2015-08-19 | 中国工程物理研究院核物理与化学研究所 | In situ pressure loading device for neutron small-angle scattering |
| CN105301533A (en) * | 2015-12-08 | 2016-02-03 | 上海辰光医疗科技股份有限公司 | Mouse experiment radiofrequency coil device used for magnetic resonance imaging |
| CN108844981A (en) * | 2018-09-19 | 2018-11-20 | 中国工程物理研究院核物理与化学研究所 | A kind of time resolution stretching device for small-angle neutron scattering spectrometer |
Non-Patent Citations (2)
| Title |
|---|
| "Spin echo scattering angle measurement at a pulsed neutron source";R. Pynn 等;《Journal of Applied Crystallography》;20081231;第41卷;第897-905页 * |
| "基于冷中子谱的紧凑型中子自旋倒相器设计";李新喜 等;《中国光学》;20141231;第7卷(第4期);第600-607页 * |
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