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1 04/25/06 TRR Update 8-ID Recent Activity 8-ID General New resident post-doc –Martin Tolkiehn...

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1 04/25/06 TRR Update 8-ID Recent Activity • 8-ID General • New resident post-doc – Martin Tolkiehn » Started 4/10/2006 » Sharing office with Xuefa Li » X-Ray Standing Waves and Wave-Guide experiments » Supporting some 8-ID-E and 8-ID-”G” experiments • Interesting experiments in recent weeks: – 8-ID-E » Super-solid He » Cr CDW XPCS
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Page 1: 1 04/25/06 TRR Update 8-ID Recent Activity 8-ID General New resident post-doc –Martin Tolkiehn »Started 4/10/2006 »Sharing office with Xuefa Li »X-Ray.

104/25/06 TRR Update

8-ID Recent Activity

• 8-ID General• New resident post-doc

– Martin Tolkiehn» Started 4/10/2006» Sharing office with Xuefa Li» X-Ray Standing Waves and

Wave-Guide experiments» Supporting some 8-ID-E and 8-

ID-”G” experiments

• Interesting experiments in recent weeks:

– 8-ID-E» Super-solid He» Cr CDW XPCS

Page 2: 1 04/25/06 TRR Update 8-ID Recent Activity 8-ID General New resident post-doc –Martin Tolkiehn »Started 4/10/2006 »Sharing office with Xuefa Li »X-Ray.

204/25/06 TRR Update

Page 3: 1 04/25/06 TRR Update 8-ID Recent Activity 8-ID General New resident post-doc –Martin Tolkiehn »Started 4/10/2006 »Sharing office with Xuefa Li »X-Ray.

304/25/06 TRR Update

– Plan to replace E monochromator exit window and crystal holder during shutdown

• Eliminate D-E air path• Allow eventual removal of 8-ID-A Be

window

– GISAXS vacuum-chamber-to-flight-path connections being modified to eliminate sample motion arising from bellows vacuum-loading

– E set-up (Si(220)---microdiffraction) will be enhanced:

• Channel-cut crystal to reduce harmonic contamination

• Simple fluorescence set-up (to minimize use of 1-BM)

• Microdiffraction and zone-plate-based XPCS

8-ID-E & G Recent and Upcoming Activities

Page 4: 1 04/25/06 TRR Update 8-ID Recent Activity 8-ID General New resident post-doc –Martin Tolkiehn »Started 4/10/2006 »Sharing office with Xuefa Li »X-Ray.

404/25/06 TRR Update

– Installation and initial testing of the new pseudo channel-cut monochromator for 8-ID-I has been completed

• Team effort: Suresh (and Michael and Alec), deming Shu, Harold, AES-MOM, AES-MED, AES-SI and AES-BCDA

• Some scary moments over the past few weeks:

– Χ-motion yoke on 2nd crystal blocked line of sight to 1st crystal

– Partial vent after installation at the end of the beamline---thought we had broken a Be window; tested Jeff Alicz’s new procedure for suspect Be contamination clean-up

• Ge(111)-monochromatized beam was found only a few hours after first opening the shutter!!

8-ID-I Recent and Upcoming Activities

Page 5: 1 04/25/06 TRR Update 8-ID Recent Activity 8-ID General New resident post-doc –Martin Tolkiehn »Started 4/10/2006 »Sharing office with Xuefa Li »X-Ray.

504/25/06 TRR Update

8-ID-I Recent and Upcoming Activities

– Piezo and picomotor fine pitch adjustment of Χ and θ of second crystal via flexure pivots

– UHV linear-stage-driven rotation of 2-crystal (Ge(111) assembly

– Ethernet and serial controls via EPICS 3.14


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