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UID:DSC-22950
DTSTART;TZID=Europe/Berlin:20260608T145000
SEQUENCE:1780465180
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URL:https://dresden-science-calendar.org/calendar/de/detail/22950
LOCATION:TUD\,    
SUMMARY:Friedrichsen: Ongoing Mössbauer spectroscopy at the IFMP:  Investi
 gation of magnetism in FeNb₄S₈ and TMSn(OH)₆
CLASS:PUBLIC
DESCRIPTION:Speaker: Jan Friedrichsen\nInstitute of Speaker: IFMP\, TU Dres
 den\nTopics:\nPhysik\n Location:\n  Name: TUD (REC/C213)\n  Street:   \n  
 City:  \n  Phone: \n  Fax: \nDescription: <p><strong>Abstract</strong></p>
  <p>Mössbauer spectroscopy (MBS) is a nuclear local-probe methods which c
 an be used to study magnetic and electronic hyperfine interactions of the 
 probe nucleus and its surroundings. In this talk I will introduce the fund
 amentals of MBS as applied in solid-state physics\, and give an overview o
 f the experiments I carried out as part of my 6-month masters studies (“
 Wissenschaftliches Arbeiten”) at the IFMP. One focus is the proposed alt
 ermagnetic compound FeNb₄S₈. This intercalated transition metal dichal
 cogenide was investigated using ⁵⁷Fe MBS to confirm the magnetic struc
 ture and the orientation of the local electric field gradient. I will disc
 uss the implications of our findings on the temperature-dependent magnetic
  and electronic structure of this material. Additionally\, as a first in o
 ur local laboratory\, ¹¹⁹Sn MBS measurements have been performed on th
 e tin-based hydroxide materials TMSn(OH)₆ (TM = Fe\, Co\, Cu\, Mn\, Ni).
  Here I will discuss the challenges to quantify possible small magnetic ef
 fects with MBS and the experimental advantages of employing a reference sa
 mple (in this case SnCl₂) measured simultaneously to increase measuremen
 t precision.</p> <p><strong>Z</strong><strong>oom</strong><strong>:</stron
 g> 633 2801 2201 (https://tu-dresden.zoom-x.de/j/63328012201?pwd=jFjgmPWVL
 gobCkrIMab0jFS2jLXcWg.1)\, Passcode: IFMP2025-6</p>
DTSTAMP:20260604T070122Z
CREATED:20260602T054008Z
LAST-MODIFIED:20260603T053940Z
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