Welcome to UCLA's J.D. McCullough X-ray Facility

1416 Molecular Sciences Building


Single-Crystal XRD:

Powder XRD:

Note: Powder XRD services are limited to 5 samples. If you have more, we will be happy to train you to run your own samples. 

All of the above services have nominal fee. Please consult with Tyler Kerr for charges.


Single-Crystal XRD:

Training in single-crystal X-ray diffraction is available to all who meet the following criteria:

We offer training that will cater to your needs. If a user desires a full-service XRD dataset and report, if the user is completely independent, or anywhere in between, we are happy to work with you. 

Powder XRD:

Standard PXRD training is available to all who need it. Please see our Access & Training page for more information. 

Sample Submission

For users inside UCLA, please contact Tyler Kerr directly. 

For users outside of UCLA desiring single-crystal analysis, submit your sample and a fully completed sample submission form (copies are also available in the lab) to

Dr. Tyler Kerr

1412 Molecular Science Building

Dept. of Chemistry & Biochemistry

University of California, Los Angeles

Los Angeles, CA 90095-1569

Your sample will be analyzed on a first come first serve basis. Normal turn around time is 2-3 days. For powder samples no sample submission form is required. Outside users should mail properly sealed samples to:


Panalytical X'Pert Pro X-ray Powder Diffractometer

Installed in 2004

Bragg-Brentano and Parallel Beam Optics

Incident and Diffracted Beam Mirrors

Computer Controlled Slits

X’celerator RTMS Scanning Detector

Sealed Proportional Detector

High Temperature Stage up to 1000°C

Bruker DUO ApexII CCD Single-Crystal X-ray Diffractometer

Installed in 2013

Quazar multilayer Microfocus Cu

Triumph Monochromator Mo-X-ray source

Low temperature device (100K – 300K)

APEX2 software suite

Bruker D8 Discover Powder X-ray Diffractometer

Installed in 2006

Push Plug Gobel Mirror

9-Position Sample Stage

Vantac Detector for Fast Simultaneous Recording

Rotary Absorber

Zeiss Stereo Discover V12 Microscope