{"id":17,"date":"2021-08-13T15:42:00","date_gmt":"2021-08-13T15:42:00","guid":{"rendered":"https:\/\/gptas.tagen.tohoku.ac.jp\/?page_id=17"},"modified":"2023-09-18T08:09:59","modified_gmt":"2023-09-17T23:09:59","slug":"specifications","status":"publish","type":"page","link":"https:\/\/gptas.tagen.tohoku.ac.jp\/?page_id=17","title":{"rendered":"specifications"},"content":{"rendered":"\n

The 4G GPTAS is presently a conventional neutron triple-axis spectrometer. The basic specifications are given in the table below.<\/h2>\n\n\n\n
Monochromator<\/td>Rotating-shield type<\/td><\/tr>
Reflections<\/td>Pyrolytic graphite 002 reflections<\/td><\/tr>
Size<\/td>120mm(H)X170mm(V)<\/td><\/tr>
Focusing<\/td>Vertical focusing<\/td><\/tr>
Scattering angle rnage<\/td>18 < 2th_M < 47.4 degrees<\/td><\/tr>
k_i range<\/td>5.99 < k_i < 2.33 Ang-1<\/sup><\/td><\/tr>
Wavelength range<\/td>1.1 < lambda_i < 2.7 Ang<\/td><\/tr>
Filter<\/td>Inpile PG filter (removable)<\/td><\/tr>
Sample table<\/td>Air floating<\/td><\/tr>
Goniometer<\/td>1 ton Goniometer<\/td><\/tr>
Tilt and Translation<\/td>Motor controlled<\/td><\/tr>
Beam size<\/td>40mm(H)X60mm(V) at maximum<\/td><\/tr>
Scattering angle range<\/td>-2 < 2th_S < 119 degrees<\/td><\/tr>
Analyzer<\/td>Air floating<\/td><\/tr>
Reflections<\/td>Pyrolytic graphite 002 and 004 reflections<\/td><\/tr>
Size<\/td>190mm(H)X100mm(V)<\/td><\/tr>
Focusing<\/td>Vertical focusing<\/td><\/tr>
Filter<\/td>PG filter before analyzer (removable by hand)<\/td><\/tr>
Collimators<\/td>#1 10′, 20′, 40′<\/td><\/tr>
<\/td>#2 10′, 20′, 40′, 80′<\/td><\/tr>
<\/td>#3 10′, 20′, 40′, 80′<\/td><\/tr>
<\/td>#4 10′, 20′, 40′, 80′<\/td><\/tr>
Control Software<\/td>unified filman<\/td><\/tr>
<\/td>Temperature and magnetic field controllable<\/td><\/tr>
Sample environment<\/td><\/td><\/tr>
Low temperature<\/td>GM (2.4 K~300 K; default)<\/td><\/tr>
<\/td>Orange cryo (1.5 K~300 K)<\/td><\/tr>
<\/td>1 K cryo (0.7 K~100 K)<\/td><\/tr>
<\/td>3He cryo (0.3 K~100 K)<\/td><\/tr>
<\/td>Dilution fridge (0.05 K~4 K): liquid He required<\/td><\/tr>
High-temperature<\/td>High-temperature CTI<\/td><\/tr>
Magnet<\/td>1 T electric field magnet (2.4 K~ 300 K) <\/td><\/tr>
<\/td>5 T vertical superconducting field magnet (1.5 K~300 K)<\/td><\/tr>
<\/td>5 T horizontal superconducting field magnet (1.5 K~300 K)<\/td><\/tr><\/tbody><\/table>

Please ask instrument scientists for availability if you would like to use the sample enviroment other than GM.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"

The 4G GPTAS is presently a conventional neutron triple-axis spectrometer. The basic specifications are given in the table below. Monochromator Rotating-shield type Reflections Pyrolytic graphite 002 reflections Size 120mm(H)X170mm(V) Focusing\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-17","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/gptas.tagen.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/17","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gptas.tagen.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gptas.tagen.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gptas.tagen.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gptas.tagen.tohoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17"}],"version-history":[{"count":10,"href":"https:\/\/gptas.tagen.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/17\/revisions"}],"predecessor-version":[{"id":567,"href":"https:\/\/gptas.tagen.tohoku.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/17\/revisions\/567"}],"wp:attachment":[{"href":"https:\/\/gptas.tagen.tohoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}